<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:0f8485a1-68ae-44f9-ab11-b563c1236e4f,g:af8aac25-9590-427a-bdc8-61d542fc1030-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.onepeloton.com/role/Cover" xlink:type="simple" xlink:href="pton-20240630.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_5995f77e-08df-4af0-88c9-57111736e574" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntitiesTable_5995f77e-08df-4af0-88c9-57111736e574" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_d1786afb-a22e-42a3-b254-db2e1861be57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_5995f77e-08df-4af0-88c9-57111736e574" xlink:to="loc_us-gaap_StatementClassOfStockAxis_d1786afb-a22e-42a3-b254-db2e1861be57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_d1786afb-a22e-42a3-b254-db2e1861be57_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_d1786afb-a22e-42a3-b254-db2e1861be57" xlink:to="loc_us-gaap_ClassOfStockDomain_d1786afb-a22e-42a3-b254-db2e1861be57_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ae2e9276-469a-44e5-a041-f396519df3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_d1786afb-a22e-42a3-b254-db2e1861be57" xlink:to="loc_us-gaap_ClassOfStockDomain_ae2e9276-469a-44e5-a041-f396519df3a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_e039dcbc-6c69-4e3e-9fb2-ad07c02bd3d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ae2e9276-469a-44e5-a041-f396519df3a3" xlink:to="loc_us-gaap_CommonClassAMember_e039dcbc-6c69-4e3e-9fb2-ad07c02bd3d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_21b9eeb4-ea96-4592-9f98-7212a1f7f5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ae2e9276-469a-44e5-a041-f396519df3a3" xlink:to="loc_us-gaap_CommonClassBMember_21b9eeb4-ea96-4592-9f98-7212a1f7f5b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_6b8e5f56-930e-42e3-ad8d-b59b2a7d38c4" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentType_6b8e5f56-930e-42e3-ad8d-b59b2a7d38c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_eaeaec8d-6371-4eec-9594-c243b569d00e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentAnnualReport_eaeaec8d-6371-4eec-9594-c243b569d00e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_85d77929-c1a1-4cac-9a5a-ff290780cf37" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentPeriodEndDate_85d77929-c1a1-4cac-9a5a-ff290780cf37" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_9f8dab55-de45-4673-aafd-80933250756b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_CurrentFiscalYearEndDate_9f8dab55-de45-4673-aafd-80933250756b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_a959ec23-5e84-4908-83f2-5445a6e4d8f4" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentTransitionReport_a959ec23-5e84-4908-83f2-5445a6e4d8f4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_b0cbeca8-bb2a-4d4e-b746-013388148f35" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityFileNumber_b0cbeca8-bb2a-4d4e-b746-013388148f35" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_ad142da4-2f7c-4a37-b102-e742a657fc69" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityRegistrantName_ad142da4-2f7c-4a37-b102-e742a657fc69" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_0cbec9df-277a-4134-a162-3a059f84f372" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityIncorporationStateCountryCode_0cbec9df-277a-4134-a162-3a059f84f372" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_ee29a541-015f-48ee-956e-547402bcfcf7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityTaxIdentificationNumber_ee29a541-015f-48ee-956e-547402bcfcf7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_3d4898ed-ee6d-410e-8b24-5c3001573952" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityAddressAddressLine1_3d4898ed-ee6d-410e-8b24-5c3001573952" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_c3d6e8a0-030a-4ec8-896f-8f6b5fbfa6a7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityAddressCityOrTown_c3d6e8a0-030a-4ec8-896f-8f6b5fbfa6a7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_ad68dbeb-df5d-4a9c-a05b-89b9a0bd5759" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityAddressStateOrProvince_ad68dbeb-df5d-4a9c-a05b-89b9a0bd5759" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_dbbfb1ce-9b5b-4476-9969-55a98e601a8e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityAddressPostalZipCode_dbbfb1ce-9b5b-4476-9969-55a98e601a8e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_86e80f15-2cb5-4c08-adb5-6d0578e41c08" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_CityAreaCode_86e80f15-2cb5-4c08-adb5-6d0578e41c08" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_22f19ede-e7a6-48c1-b7ac-92b2360c142e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_LocalPhoneNumber_22f19ede-e7a6-48c1-b7ac-92b2360c142e" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_0afcff9d-7fbd-4d29-a9bb-fb36aed51de1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_Security12bTitle_0afcff9d-7fbd-4d29-a9bb-fb36aed51de1" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_9ca35df1-c3d3-4323-964d-c67dd9e844c5" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_TradingSymbol_9ca35df1-c3d3-4323-964d-c67dd9e844c5" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_a4632421-d118-4119-a017-12fabb64cd55" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_SecurityExchangeName_a4632421-d118-4119-a017-12fabb64cd55" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_1c7bfa9a-845b-4df4-bc02-8931c703f792" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_1c7bfa9a-845b-4df4-bc02-8931c703f792" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_74a7b80c-848e-4b04-a803-8634ba2678d3" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityVoluntaryFilers_74a7b80c-848e-4b04-a803-8634ba2678d3" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_f1d442af-1678-4edb-91af-200dec551107" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityCurrentReportingStatus_f1d442af-1678-4edb-91af-200dec551107" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_c4decf6a-95e7-4214-b303-21767bc7cf5f" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityInteractiveDataCurrent_c4decf6a-95e7-4214-b303-21767bc7cf5f" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_f7f3d8fc-beba-4c16-a64a-2a9dc0724e5c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityFilerCategory_f7f3d8fc-beba-4c16-a64a-2a9dc0724e5c" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_41cd1dd1-1f9f-4d70-b7c6-4b7454089cad" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntitySmallBusiness_41cd1dd1-1f9f-4d70-b7c6-4b7454089cad" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_5a8afa2f-290b-4f5b-bf83-2b4e1cc2a684" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityEmergingGrowthCompany_5a8afa2f-290b-4f5b-bf83-2b4e1cc2a684" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_4339c56e-f7ae-422c-bf5e-17e2631992a7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_IcfrAuditorAttestationFlag_4339c56e-f7ae-422c-bf5e-17e2631992a7" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag_3bd69c21-5a22-49bb-aa55-68c739ed8f87" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentFinStmtErrorCorrectionFlag_3bd69c21-5a22-49bb-aa55-68c739ed8f87" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_7d477cb0-5797-4179-8d19-c3bf0f59164f" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityShellCompany_7d477cb0-5797-4179-8d19-c3bf0f59164f" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_08ad06ca-ab2a-4186-891e-ce7f38d78582" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityPublicFloat"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityPublicFloat_08ad06ca-ab2a-4186-891e-ce7f38d78582" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_785d8a02-8058-499e-ab60-3ff529595141" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_785d8a02-8058-499e-ab60-3ff529595141" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_c7c471df-b15f-49f2-a46e-3d21c4e562d0" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_c7c471df-b15f-49f2-a46e-3d21c4e562d0" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_083e2bf4-4c36-4aac-b4da-201627c22f8c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentFiscalYearFocus_083e2bf4-4c36-4aac-b4da-201627c22f8c" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_33c9c5dc-90d1-492f-995e-814aaf93a013" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_DocumentFiscalPeriodFocus_33c9c5dc-90d1-492f-995e-814aaf93a013" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_c19fb5f1-8915-41ce-814d-6fbf0fecf8ee" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_AmendmentFlag_c19fb5f1-8915-41ce-814d-6fbf0fecf8ee" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_96a97482-2e34-4590-b904-24ce89ddd2d6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_1fe7ce72-58b8-4cf4-8cad-0ba8c04c9093" xlink:to="loc_dei_EntityCentralIndexKey_96a97482-2e34-4590-b904-24ce89ddd2d6" xlink:type="arc" order="34"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="pton-20240630.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_8697746b-b6fa-4a19-a853-77e8e944447f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:to="loc_us-gaap_StatementTable_8697746b-b6fa-4a19-a853-77e8e944447f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_6a575e5f-7843-4252-9c0e-598683df473e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_8697746b-b6fa-4a19-a853-77e8e944447f" xlink:to="loc_us-gaap_StatementClassOfStockAxis_6a575e5f-7843-4252-9c0e-598683df473e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_6a575e5f-7843-4252-9c0e-598683df473e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6a575e5f-7843-4252-9c0e-598683df473e" xlink:to="loc_us-gaap_ClassOfStockDomain_6a575e5f-7843-4252-9c0e-598683df473e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ddfa0710-19b3-4925-9e77-2ab849c13def" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6a575e5f-7843-4252-9c0e-598683df473e" xlink:to="loc_us-gaap_ClassOfStockDomain_ddfa0710-19b3-4925-9e77-2ab849c13def" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_45569975-a781-444f-8132-6b9ba6765c11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ddfa0710-19b3-4925-9e77-2ab849c13def" xlink:to="loc_us-gaap_CommonClassAMember_45569975-a781-444f-8132-6b9ba6765c11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_18087daf-bf99-4455-a056-fdcb013571a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ddfa0710-19b3-4925-9e77-2ab849c13def" xlink:to="loc_us-gaap_CommonClassBMember_18087daf-bf99-4455-a056-fdcb013571a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_1baedc69-1888-4c63-81c0-e6ef22254864" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_1baedc69-1888-4c63-81c0-e6ef22254864" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_fc5c6dfb-71cf-41c0-98df-fe19a47137ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_fc5c6dfb-71cf-41c0-98df-fe19a47137ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_ce04b17d-069f-4564-86be-406051b06e92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:to="loc_us-gaap_CommonStockSharesIssued_ce04b17d-069f-4564-86be-406051b06e92" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_98fd7e1e-4639-4e0e-9dfc-c371ab0d0d17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fb224ed8-b233-4de8-90e1-4d8562d1734a" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_98fd7e1e-4639-4e0e-9dfc-c371ab0d0d17" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="pton-20240630.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_4833d1bd-4310-44d9-8b27-e2c7fbd330cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_StatementTable_4833d1bd-4310-44d9-8b27-e2c7fbd330cd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_69850eb5-6010-43c8-bd5f-678ddd923284" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4833d1bd-4310-44d9-8b27-e2c7fbd330cd" xlink:to="loc_srt_ProductOrServiceAxis_69850eb5-6010-43c8-bd5f-678ddd923284" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_69850eb5-6010-43c8-bd5f-678ddd923284_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_69850eb5-6010-43c8-bd5f-678ddd923284" xlink:to="loc_srt_ProductsAndServicesDomain_69850eb5-6010-43c8-bd5f-678ddd923284_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_32c16705-0644-436f-b385-02e5c12c4f20" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_69850eb5-6010-43c8-bd5f-678ddd923284" xlink:to="loc_srt_ProductsAndServicesDomain_32c16705-0644-436f-b385-02e5c12c4f20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_991cf2d7-1fff-4fb4-8213-17a6e00dea81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_32c16705-0644-436f-b385-02e5c12c4f20" xlink:to="loc_us-gaap_ProductMember_991cf2d7-1fff-4fb4-8213-17a6e00dea81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_4ec2370f-aa04-4625-b5e7-5434ea2d22a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_32c16705-0644-436f-b385-02e5c12c4f20" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_4ec2370f-aa04-4625-b5e7-5434ea2d22a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5fd3d984-6718-4655-8bcb-e1680544207e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5fd3d984-6718-4655-8bcb-e1680544207e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_05a2de6b-998b-4c28-bbb1-582558e0b732" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_CostOfRevenue_05a2de6b-998b-4c28-bbb1-582558e0b732" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ebc0ed9c-a9bc-4148-aef3-ea214f5cc8f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_GrossProfit_ebc0ed9c-a9bc-4148-aef3-ea214f5cc8f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_4bbeede6-edef-49e0-aa93-67ac703faf8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_SellingAndMarketingExpense_4bbeede6-edef-49e0-aa93-67ac703faf8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_afe8ebc7-f894-4dd7-a145-730079ac5ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_afe8ebc7-f894-4dd7-a145-730079ac5ac9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_5f5d3ca1-8834-4d95-ab73-cd06a41d5460" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_5f5d3ca1-8834-4d95-ab73-cd06a41d5460" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_9c74ebcc-0627-4921-971d-863b32998772" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_9c74ebcc-0627-4921-971d-863b32998772" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_a32eaafd-251d-467d-99f5-16a93c87d306" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_a32eaafd-251d-467d-99f5-16a93c87d306" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_76bc12ae-abd6-4096-9f98-f1f9e815d99e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_RestructuringCharges_76bc12ae-abd6-4096-9f98-f1f9e815d99e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_GainLossRelatedToSupplierSettlement_c38b5173-ed8f-4ab6-ad52-6086136cf733" xlink:href="pton-20240630.xsd#pton_GainLossRelatedToSupplierSettlement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_pton_GainLossRelatedToSupplierSettlement_c38b5173-ed8f-4ab6-ad52-6086136cf733" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_0cb745cc-e9ff-4dba-a6fe-119a3f6331a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_3b6384c4-7938-4303-a18b-39a1428ae45a" xlink:to="loc_us-gaap_OperatingExpenses_0cb745cc-e9ff-4dba-a6fe-119a3f6331a8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_6888668a-670b-492f-a895-47900c50253a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_OperatingIncomeLoss_6888668a-670b-492f-a895-47900c50253a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_62eac302-85a7-4d9c-8b97-17e60971a986" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_InterestExpenseNonoperating_62eac302-85a7-4d9c-8b97-17e60971a986" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_0aa7dbfa-34f7-43ea-b8cc-79cd3955e961" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_InvestmentIncomeInterest_0aa7dbfa-34f7-43ea-b8cc-79cd3955e961" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_4bb81005-3693-42e6-908b-2a002c6be171" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_4bb81005-3693-42e6-908b-2a002c6be171" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_7827147d-c819-42db-8568-7016f617605f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_7827147d-c819-42db-8568-7016f617605f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d41e3bf5-4dc7-47f2-9df5-cfe055e86d58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d41e3bf5-4dc7-47f2-9df5-cfe055e86d58" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_40f31bc2-de35-42c3-927c-c6b081ac3381" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_34a358bc-f14d-4e92-bb60-17764aacc81a" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_40f31bc2-de35-42c3-927c-c6b081ac3381" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_10c72db3-7f35-48fd-8b8b-d06f991b3a99" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_10c72db3-7f35-48fd-8b8b-d06f991b3a99" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_65f392fa-d02a-4296-bfa6-555d22c0a7d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_65f392fa-d02a-4296-bfa6-555d22c0a7d3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_7d0a6084-78ca-4858-b34d-8892ad540886" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_NetIncomeLoss_7d0a6084-78ca-4858-b34d-8892ad540886" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_18cbfe02-ed6a-490a-abb0-a7e4939b41ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_18cbfe02-ed6a-490a-abb0-a7e4939b41ff" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_dd05e064-4a42-43a5-9a5a-e19e4257a23e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_dd05e064-4a42-43a5-9a5a-e19e4257a23e" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_14f4ba06-f539-4500-890f-e235b4e426ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_EarningsPerShareBasic_14f4ba06-f539-4500-890f-e235b4e426ce" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7f2026ca-2d91-4574-87eb-2fe0ec141a44" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7f2026ca-2d91-4574-87eb-2fe0ec141a44" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6e562105-253d-4c66-96da-0541cde6ee2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6e562105-253d-4c66-96da-0541cde6ee2c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1ba97d9f-5ad5-46fb-81ac-e964b9ffdcfe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1ba97d9f-5ad5-46fb-81ac-e964b9ffdcfe" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51b9460b-7094-498d-830d-5d71655f00bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51b9460b-7094-498d-830d-5d71655f00bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_a517efa4-7126-4aa9-a608-757a1453b82e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_a517efa4-7126-4aa9-a608-757a1453b82e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2b41fc43-b921-44b4-90d0-80f5dcdc32dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2b41fc43-b921-44b4-90d0-80f5dcdc32dc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_8940d12d-e7eb-4189-a371-0de61ddef41d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2b41fc43-b921-44b4-90d0-80f5dcdc32dc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_8940d12d-e7eb-4189-a371-0de61ddef41d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForAdjustmentsIncludedInNetIncome_e27b0fa5-42df-4c57-9fb6-44a2ef793de6" xlink:href="pton-20240630.xsd#pton_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForAdjustmentsIncludedInNetIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2b41fc43-b921-44b4-90d0-80f5dcdc32dc" xlink:to="loc_pton_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForAdjustmentsIncludedInNetIncome_e27b0fa5-42df-4c57-9fb6-44a2ef793de6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_e242c1bd-0f5c-4f2b-ae4b-2dd43a19aa7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3a953dd1-a8df-4df9-87f1-5990eb08ee46" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_e242c1bd-0f5c-4f2b-ae4b-2dd43a19aa7b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_294f50d2-afbb-4851-ae09-e0725a496140" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_28b498ce-7c9f-4ab7-918c-cb36172d2b67" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_294f50d2-afbb-4851-ae09-e0725a496140" xlink:type="arc" order="16"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICIT" xlink:type="simple" xlink:href="pton-20240630.xsd#CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICIT"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICIT" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_1b8eaa0e-3b8b-4a71-9722-ffa90b05dc49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_5e83f958-ae80-4859-8d0e-06569340f1b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_1b8eaa0e-3b8b-4a71-9722-ffa90b05dc49" xlink:to="loc_us-gaap_StatementTable_5e83f958-ae80-4859-8d0e-06569340f1b7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5e83f958-ae80-4859-8d0e-06569340f1b7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb" xlink:to="loc_us-gaap_EquityComponentDomain_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_a6da3844-0f82-4fbd-a3b9-6359ab7dfccb" xlink:to="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_c4f57e14-58be-4a93-94ae-7bb0b5f73fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:to="loc_us-gaap_CommonStockMember_c4f57e14-58be-4a93-94ae-7bb0b5f73fe9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_79609663-195c-4f70-99a9-9c36042bda96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_79609663-195c-4f70-99a9-9c36042bda96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2c330fc7-cef5-4ce2-99b7-1daabeeeda70" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2c330fc7-cef5-4ce2-99b7-1daabeeeda70" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_6cf9685d-d4af-4312-a734-53eef3902bba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_34cdf580-f969-4d6b-868d-1f8a70eeaa2a" xlink:to="loc_us-gaap_RetainedEarningsMember_6cf9685d-d4af-4312-a734-53eef3902bba" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5e83f958-ae80-4859-8d0e-06569340f1b7" xlink:to="loc_us-gaap_StatementClassOfStockAxis_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7" xlink:to="loc_us-gaap_ClassOfStockDomain_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7ddb1127-357d-420b-963e-4d7ab7453d8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fb41be40-f9ad-45fb-8dbb-f2f47fe89ae7" xlink:to="loc_us-gaap_ClassOfStockDomain_7ddb1127-357d-420b-963e-4d7ab7453d8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CommonClassAAndCommonClassBMember_b43a13c2-5e56-4597-a29d-acef75e9cd0c" xlink:href="pton-20240630.xsd#pton_CommonClassAAndCommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7ddb1127-357d-420b-963e-4d7ab7453d8e" xlink:to="loc_pton_CommonClassAAndCommonClassBMember_b43a13c2-5e56-4597-a29d-acef75e9cd0c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_53c552c0-225f-4ac6-b8d2-1dfa366a0ada" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5e83f958-ae80-4859-8d0e-06569340f1b7" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_53c552c0-225f-4ac6-b8d2-1dfa366a0ada" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_53c552c0-225f-4ac6-b8d2-1dfa366a0ada_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_53c552c0-225f-4ac6-b8d2-1dfa366a0ada" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_53c552c0-225f-4ac6-b8d2-1dfa366a0ada_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_b19728a5-4a7e-4a27-8e02-0020bceccc9f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_53c552c0-225f-4ac6-b8d2-1dfa366a0ada" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_b19728a5-4a7e-4a27-8e02-0020bceccc9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_7600b04f-3366-494d-9c62-6248789956c5" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_b19728a5-4a7e-4a27-8e02-0020bceccc9f" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_7600b04f-3366-494d-9c62-6248789956c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1b8eaa0e-3b8b-4a71-9722-ffa90b05dc49" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_aa296e59-614f-49eb-9759-52f2ee078b81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_aa296e59-614f-49eb-9759-52f2ee078b81" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7702b456-7e18-474f-874e-2793ec73a17b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockholdersEquity_7702b456-7e18-474f-874e-2793ec73a17b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_64e73be8-96e7-48a8-b2a3-8b6a72206df3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_64e73be8-96e7-48a8-b2a3-8b6a72206df3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_cc33f1a5-b028-4858-8180-8d1bafa08ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_cc33f1a5-b028-4858-8180-8d1bafa08ce9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_23cb9471-e27f-4f3b-9626-1d6dfac2be24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_23cb9471-e27f-4f3b-9626-1d6dfac2be24" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_2f71ec73-a068-476f-b61c-6a036f759561" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_2f71ec73-a068-476f-b61c-6a036f759561" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_885f9ecf-b6c0-40f3-9953-c09ccb1a829e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_885f9ecf-b6c0-40f3-9953-c09ccb1a829e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_4e74c148-fa2a-4741-ab9b-3d8ef85eeeaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_4e74c148-fa2a-4741-ab9b-3d8ef85eeeaf" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f0fa3686-d4ab-409f-b7ad-03af4f3be2a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f0fa3686-d4ab-409f-b7ad-03af4f3be2a1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_80b1ec70-f5cc-42d9-89ce-652eeb3ee1ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5ef907c2-65e1-4c39-bbfd-550712e3c110" xlink:to="loc_us-gaap_NetIncomeLoss_80b1ec70-f5cc-42d9-89ce-652eeb3ee1ca" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_4aabf0f3-5706-4654-bdea-3aaeaedce076" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_2e0b1d21-dd08-4345-a627-e3e955e19eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdateExtensibleList_0bb1ab35-c057-48eb-be8c-4921dd05e6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdateExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1b8eaa0e-3b8b-4a71-9722-ffa90b05dc49" xlink:to="loc_us-gaap_AccountingStandardsUpdateExtensibleList_0bb1ab35-c057-48eb-be8c-4921dd05e6fa" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#SummaryofSignificantAccountingPoliciesDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_DebtInstrumentAxis_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_b7147a47-d13f-4282-90bb-94c59bd5d0c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a247cf17-8b7a-40ad-b51d-bfea03c5cf8b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_b7147a47-d13f-4282-90bb-94c59bd5d0c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_0d5ea8c4-81bf-4dba-a5e2-91d09953049b" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_b7147a47-d13f-4282-90bb-94c59bd5d0c9" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_0d5ea8c4-81bf-4dba-a5e2-91d09953049b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_1f9b54e9-ed36-4d41-bab7-44e74ceede84" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_b7147a47-d13f-4282-90bb-94c59bd5d0c9" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_1f9b54e9-ed36-4d41-bab7-44e74ceede84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_69796f0d-89de-4c25-a3b2-73b90fa72626" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_69796f0d-89de-4c25-a3b2-73b90fa72626" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_69796f0d-89de-4c25-a3b2-73b90fa72626_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_69796f0d-89de-4c25-a3b2-73b90fa72626" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_69796f0d-89de-4c25-a3b2-73b90fa72626_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_eee8f6a8-598a-441e-84e9-d6fb7940cb14" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_69796f0d-89de-4c25-a3b2-73b90fa72626" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_eee8f6a8-598a-441e-84e9-d6fb7940cb14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_8f0c89a9-7ae8-4ab2-b8aa-681a2b345ee1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_eee8f6a8-598a-441e-84e9-d6fb7940cb14" xlink:to="loc_us-gaap_ConvertibleDebtMember_8f0c89a9-7ae8-4ab2-b8aa-681a2b345ee1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_dc89691d-7541-4773-aeaa-dda73797fe10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_dc89691d-7541-4773-aeaa-dda73797fe10" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_dc89691d-7541-4773-aeaa-dda73797fe10_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_dc89691d-7541-4773-aeaa-dda73797fe10" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_dc89691d-7541-4773-aeaa-dda73797fe10_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1d51c560-cdd4-41fd-997b-6d03fe467a93" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_dc89691d-7541-4773-aeaa-dda73797fe10" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1d51c560-cdd4-41fd-997b-6d03fe467a93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_5e39bfcd-c674-4f5e-a816-4b06bc619577" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1d51c560-cdd4-41fd-997b-6d03fe467a93" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_5e39bfcd-c674-4f5e-a816-4b06bc619577" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_srt_RangeAxis_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3" xlink:to="loc_srt_RangeMember_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5f6307b8-4cc0-4296-a575-09a503cb8ac2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_e4f803e8-ce29-4f58-b60e-ab57bba0cfc3" xlink:to="loc_srt_RangeMember_5f6307b8-4cc0-4296-a575-09a503cb8ac2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_0e349087-4f2d-493f-b7ac-ec3ea73ed80a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5f6307b8-4cc0-4296-a575-09a503cb8ac2" xlink:to="loc_srt_MaximumMember_0e349087-4f2d-493f-b7ac-ec3ea73ed80a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3876add7-63ae-4634-bde6-fdf883eca7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_AwardTypeAxis_3876add7-63ae-4634-bde6-fdf883eca7a1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3876add7-63ae-4634-bde6-fdf883eca7a1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3876add7-63ae-4634-bde6-fdf883eca7a1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3876add7-63ae-4634-bde6-fdf883eca7a1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e3f3795d-3055-4aad-ab2a-8c60a10dce74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3876add7-63ae-4634-bde6-fdf883eca7a1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e3f3795d-3055-4aad-ab2a-8c60a10dce74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_25139401-52c7-479d-9003-175b77937980" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e3f3795d-3055-4aad-ab2a-8c60a10dce74" xlink:to="loc_us-gaap_EmployeeStockMember_25139401-52c7-479d-9003-175b77937980" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_e447035d-ef4d-49b3-bc61-a35aca8c80be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_PlanNameAxis_e447035d-ef4d-49b3-bc61-a35aca8c80be" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_e447035d-ef4d-49b3-bc61-a35aca8c80be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_e447035d-ef4d-49b3-bc61-a35aca8c80be" xlink:to="loc_us-gaap_PlanNameDomain_e447035d-ef4d-49b3-bc61-a35aca8c80be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_e00878d4-39f9-4325-b69c-d278fca6f966" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_e447035d-ef4d-49b3-bc61-a35aca8c80be" xlink:to="loc_us-gaap_PlanNameDomain_e00878d4-39f9-4325-b69c-d278fca6f966" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TwoThousandNineteenEmployeeStockPurchasePlanMember_ca78ce47-9fc8-488c-ade3-e11cd0471779" xlink:href="pton-20240630.xsd#pton_TwoThousandNineteenEmployeeStockPurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e00878d4-39f9-4325-b69c-d278fca6f966" xlink:to="loc_pton_TwoThousandNineteenEmployeeStockPurchasePlanMember_ca78ce47-9fc8-488c-ade3-e11cd0471779" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_f2598812-812f-4ecc-81bb-e4735a7cea96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_f2598812-812f-4ecc-81bb-e4735a7cea96" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_f2598812-812f-4ecc-81bb-e4735a7cea96_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_f2598812-812f-4ecc-81bb-e4735a7cea96" xlink:to="loc_us-gaap_TypeOfAdoptionMember_f2598812-812f-4ecc-81bb-e4735a7cea96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_d9bdcb23-d8b7-463f-b646-4b75501a4f65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfAdoptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_f2598812-812f-4ecc-81bb-e4735a7cea96" xlink:to="loc_us-gaap_TypeOfAdoptionMember_d9bdcb23-d8b7-463f-b646-4b75501a4f65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate202006Member_0f4f224c-ea3d-419b-9df7-9b460abec0be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdate202006Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_d9bdcb23-d8b7-463f-b646-4b75501a4f65" xlink:to="loc_us-gaap_AccountingStandardsUpdate202006Member_0f4f224c-ea3d-419b-9df7-9b460abec0be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_fc2cf360-745c-4cb9-b5fb-f00b40f810c1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f64c2787-cb43-48a6-81da-544c8b553d91" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_fc2cf360-745c-4cb9-b5fb-f00b40f810c1" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_fc2cf360-745c-4cb9-b5fb-f00b40f810c1_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_fc2cf360-745c-4cb9-b5fb-f00b40f810c1" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_fc2cf360-745c-4cb9-b5fb-f00b40f810c1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4974a2b8-237e-4a00-b2fb-7359ac8b7754" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_fc2cf360-745c-4cb9-b5fb-f00b40f810c1" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4974a2b8-237e-4a00-b2fb-7359ac8b7754" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_5f68a0d6-796d-4461-9f26-870d419824ed" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_4974a2b8-237e-4a00-b2fb-7359ac8b7754" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_5f68a0d6-796d-4461-9f26-870d419824ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_858a2858-92a1-47e7-b100-5590b92a6b30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_858a2858-92a1-47e7-b100-5590b92a6b30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_45cc60ec-e34d-469e-91ec-9489106c7d84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_45cc60ec-e34d-469e-91ec-9489106c7d84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_c2e66c0f-d290-4e5a-ab85-c90d04d3203e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_c2e66c0f-d290-4e5a-ab85-c90d04d3203e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_58018114-2e33-412e-ba38-22abbee79839" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_58018114-2e33-412e-ba38-22abbee79839" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_85eb0923-fc53-4201-acce-0d520da7b21c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_85eb0923-fc53-4201-acce-0d520da7b21c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_30995f15-9e29-4175-8ef0-9ae967596bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_AdvertisingExpense_30995f15-9e29-4175-8ef0-9ae967596bd4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod_d32fc999-8251-4ff9-9e00-c87f3587171e" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod_d32fc999-8251-4ff9-9e00-c87f3587171e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_8722dae5-5a57-44e7-98b1-6a1ff10dab4d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_8722dae5-5a57-44e7-98b1-6a1ff10dab4d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4873e092-2dbd-42f7-9d3f-d23f2594e093" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4873e092-2dbd-42f7-9d3f-d23f2594e093" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_05052dd2-0ca6-4625-90d0-e0b85f5783cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_05052dd2-0ca6-4625-90d0-e0b85f5783cc" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_c81822ad-79b8-4872-a3f0-17291d216eb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_c81822ad-79b8-4872-a3f0-17291d216eb5" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdateExtensibleList_db9c0382-a0ad-46d4-88f5-e0684a114218" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingStandardsUpdateExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_AccountingStandardsUpdateExtensibleList_db9c0382-a0ad-46d4-88f5-e0684a114218" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_3858c54f-e336-4a01-ac5f-1b9b7e594f3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_AdditionalPaidInCapital_3858c54f-e336-4a01-ac5f-1b9b7e594f3e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_ea24f4b6-2fad-4fcf-9c5d-7eef358b6a06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_14fda53b-f6a5-4104-af42-a198236bb5f9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_ea24f4b6-2fad-4fcf-9c5d-7eef358b6a06" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/RevenueNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#RevenueNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/RevenueNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:to="loc_srt_StatementGeographicalAxis_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3" xlink:to="loc_srt_SegmentGeographicalDomain_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_849078c0-1e39-479f-b78a-7afedaea910e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_f6f5cff3-f7bf-4af4-a888-1541c1dfadf3" xlink:to="loc_srt_SegmentGeographicalDomain_849078c0-1e39-479f-b78a-7afedaea910e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_5811698f-2cf5-4379-9453-3cc5f8f5a358" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_849078c0-1e39-479f-b78a-7afedaea910e" xlink:to="loc_country_US_5811698f-2cf5-4379-9453-3cc5f8f5a358" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f506bf2d-e519-4ef4-ad81-d6eb30356969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f506bf2d-e519-4ef4-ad81-d6eb30356969" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f506bf2d-e519-4ef4-ad81-d6eb30356969_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f506bf2d-e519-4ef4-ad81-d6eb30356969" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f506bf2d-e519-4ef4-ad81-d6eb30356969_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_441478b0-a224-4478-8dbd-adc4b3efaceb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f506bf2d-e519-4ef4-ad81-d6eb30356969" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_441478b0-a224-4478-8dbd-adc4b3efaceb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_585abcbd-00d6-4d21-875d-2065022d12c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_441478b0-a224-4478-8dbd-adc4b3efaceb" xlink:to="loc_us-gaap_SalesRevenueNetMember_585abcbd-00d6-4d21-875d-2065022d12c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_095eb131-52a7-498a-9723-5607621dd5f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_095eb131-52a7-498a-9723-5607621dd5f2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_095eb131-52a7-498a-9723-5607621dd5f2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_095eb131-52a7-498a-9723-5607621dd5f2" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_095eb131-52a7-498a-9723-5607621dd5f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_056d8d71-016f-47b5-bb8e-85d9fd5f98b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_095eb131-52a7-498a-9723-5607621dd5f2" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_056d8d71-016f-47b5-bb8e-85d9fd5f98b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_5d8920a5-abbe-4335-8ee3-e0ae51c21f48" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_056d8d71-016f-47b5-bb8e-85d9fd5f98b9" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_5d8920a5-abbe-4335-8ee3-e0ae51c21f48" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_67bfbf60-36e1-4772-8417-225b725f3109" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_2d75123a-866a-4357-9a1a-9ee4b3de7cf1" xlink:to="loc_srt_ProductOrServiceAxis_67bfbf60-36e1-4772-8417-225b725f3109" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_67bfbf60-36e1-4772-8417-225b725f3109_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_67bfbf60-36e1-4772-8417-225b725f3109" xlink:to="loc_srt_ProductsAndServicesDomain_67bfbf60-36e1-4772-8417-225b725f3109_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_9e32195b-d0f5-4c95-b96b-b48028e27a39" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_67bfbf60-36e1-4772-8417-225b725f3109" xlink:to="loc_srt_ProductsAndServicesDomain_9e32195b-d0f5-4c95-b96b-b48028e27a39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ProductWarrantyMember_6c77c3a0-d012-4e28-a630-5882fb5c284e" xlink:href="pton-20240630.xsd#pton_ProductWarrantyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_9e32195b-d0f5-4c95-b96b-b48028e27a39" xlink:to="loc_pton_ProductWarrantyMember_6c77c3a0-d012-4e28-a630-5882fb5c284e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AllowableProductReturnPeriod_4c6892a9-c301-40ee-8bf3-54f9ded39735" xlink:href="pton-20240630.xsd#pton_AllowableProductReturnPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_pton_AllowableProductReturnPeriod_4c6892a9-c301-40ee-8bf3-54f9ded39735" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a11a7bcf-ca05-47b8-8881-db4efe32b4ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a11a7bcf-ca05-47b8-8881-db4efe32b4ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_b2f3f4b5-373b-4b14-8361-4081b836950a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_b2f3f4b5-373b-4b14-8361-4081b836950a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ContractWithCustomerLiabilityCurrentDeferredRevenue_81eba18a-e03a-409f-8a2d-1debbf057539" xlink:href="pton-20240630.xsd#pton_ContractWithCustomerLiabilityCurrentDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_pton_ContractWithCustomerLiabilityCurrentDeferredRevenue_81eba18a-e03a-409f-8a2d-1debbf057539" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ContractWithCustomerLiabilityCurrentCustomerDeposits_f92efdb7-c062-4d9d-8b48-d0123b7c4ed1" xlink:href="pton-20240630.xsd#pton_ContractWithCustomerLiabilityCurrentCustomerDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_pton_ContractWithCustomerLiabilityCurrentCustomerDeposits_f92efdb7-c062-4d9d-8b48-d0123b7c4ed1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_f19cb463-1b9c-4776-9a44-c9c396e161f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_257e665b-957c-47c0-9253-6eb53f6ea1f9" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_f19cb463-1b9c-4776-9a44-c9c396e161f7" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#RevenueDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_a1a04a3d-b067-49d0-b52f-0a0aa2c557d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_8381ceec-983a-4d91-b3e3-2cc0b13982f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a1a04a3d-b067-49d0-b52f-0a0aa2c557d9" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_8381ceec-983a-4d91-b3e3-2cc0b13982f4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_a939f38b-84af-4171-8db3-1196860d9785" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_8381ceec-983a-4d91-b3e3-2cc0b13982f4" xlink:to="loc_srt_StatementGeographicalAxis_a939f38b-84af-4171-8db3-1196860d9785" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_a939f38b-84af-4171-8db3-1196860d9785_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_a939f38b-84af-4171-8db3-1196860d9785" xlink:to="loc_srt_SegmentGeographicalDomain_a939f38b-84af-4171-8db3-1196860d9785_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_7696e1de-eb49-4815-9cb0-f41e9a11e902" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_a939f38b-84af-4171-8db3-1196860d9785" xlink:to="loc_srt_SegmentGeographicalDomain_7696e1de-eb49-4815-9cb0-f41e9a11e902" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_08e9cd59-20a1-4447-9649-b295cbb8d921" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NorthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_7696e1de-eb49-4815-9cb0-f41e9a11e902" xlink:to="loc_srt_NorthAmericaMember_08e9cd59-20a1-4447-9649-b295cbb8d921" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_db754db1-9576-4212-9f5a-2dcd810ab516" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_7696e1de-eb49-4815-9cb0-f41e9a11e902" xlink:to="loc_us-gaap_NonUsMember_db754db1-9576-4212-9f5a-2dcd810ab516" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_af071ac9-218e-49f5-8b9a-8b8b2d823e26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a1a04a3d-b067-49d0-b52f-0a0aa2c557d9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_af071ac9-218e-49f5-8b9a-8b8b2d823e26" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/RestructuringNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#RestructuringNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/RestructuringNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_bbe0c493-dd95-439a-94c0-b55d43921a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f22eb992-4472-4c51-bf94-118ae0ceb397" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_bbe0c493-dd95-439a-94c0-b55d43921a0d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f22eb992-4472-4c51-bf94-118ae0ceb397" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_954d364d-a2f5-421a-a276-36e5cf1694ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f22eb992-4472-4c51-bf94-118ae0ceb397" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_954d364d-a2f5-421a-a276-36e5cf1694ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_954d364d-a2f5-421a-a276-36e5cf1694ce_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_954d364d-a2f5-421a-a276-36e5cf1694ce" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_954d364d-a2f5-421a-a276-36e5cf1694ce_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_5a636d7c-22a9-4ffd-a7d2-6c98e1999c7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_954d364d-a2f5-421a-a276-36e5cf1694ce" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_5a636d7c-22a9-4ffd-a7d2-6c98e1999c7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_EmployeeReductionFacilityClosingsMember_b1871538-819a-4efd-a890-00258859a19c" xlink:href="pton-20240630.xsd#pton_EmployeeReductionFacilityClosingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_5a636d7c-22a9-4ffd-a7d2-6c98e1999c7e" xlink:to="loc_pton_EmployeeReductionFacilityClosingsMember_b1871538-819a-4efd-a890-00258859a19c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AssetImpairmentAndStockBasedCompensationChargesMember_447078d3-3627-42fb-9d08-7100734b8ebb" xlink:href="pton-20240630.xsd#pton_AssetImpairmentAndStockBasedCompensationChargesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_5a636d7c-22a9-4ffd-a7d2-6c98e1999c7e" xlink:to="loc_pton_AssetImpairmentAndStockBasedCompensationChargesMember_447078d3-3627-42fb-9d08-7100734b8ebb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6edcf564-9f95-4085-8ce4-9951a4def46a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_bbe0c493-dd95-439a-94c0-b55d43921a0d" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6edcf564-9f95-4085-8ce4-9951a4def46a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_cd097e47-1a7c-4d6f-8248-d1f4a8646045" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_bbe0c493-dd95-439a-94c0-b55d43921a0d" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_cd097e47-1a7c-4d6f-8248-d1f4a8646045" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_NonCashRestructuringCharges_090cc278-3b2a-4041-b652-0a3dfed1736a" xlink:href="pton-20240630.xsd#pton_NonCashRestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_bbe0c493-dd95-439a-94c0-b55d43921a0d" xlink:to="loc_pton_NonCashRestructuringCharges_090cc278-3b2a-4041-b652-0a3dfed1736a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/RestructuringScheduleofRestructuringChargesDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#RestructuringScheduleofRestructuringChargesDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/RestructuringScheduleofRestructuringChargesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_ce605b05-f68b-4c54-a52c-ff5fa3919e5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_946bd77e-d841-4b91-b81c-69beb5b6e332" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_ce605b05-f68b-4c54-a52c-ff5fa3919e5d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_946bd77e-d841-4b91-b81c-69beb5b6e332" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_d5d39cc3-fbc9-4239-932d-f9e906fa6367" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_946bd77e-d841-4b91-b81c-69beb5b6e332" xlink:to="loc_us-gaap_RestructuringPlanAxis_d5d39cc3-fbc9-4239-932d-f9e906fa6367" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_d5d39cc3-fbc9-4239-932d-f9e906fa6367_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_d5d39cc3-fbc9-4239-932d-f9e906fa6367" xlink:to="loc_us-gaap_RestructuringPlanDomain_d5d39cc3-fbc9-4239-932d-f9e906fa6367_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_646ff571-b3a6-450c-986d-f656445ffb38" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_d5d39cc3-fbc9-4239-932d-f9e906fa6367" xlink:to="loc_us-gaap_RestructuringPlanDomain_646ff571-b3a6-450c-986d-f656445ffb38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A2022RestructuringPlanMember_09071f47-57cb-4041-92a1-54e98c3d9026" xlink:href="pton-20240630.xsd#pton_A2022RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_646ff571-b3a6-450c-986d-f656445ffb38" xlink:to="loc_pton_A2022RestructuringPlanMember_09071f47-57cb-4041-92a1-54e98c3d9026" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A2024RestructuringPlanMember_714f1538-f9d8-452f-8e6f-1e428293766f" xlink:href="pton-20240630.xsd#pton_A2024RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_646ff571-b3a6-450c-986d-f656445ffb38" xlink:to="loc_pton_A2024RestructuringPlanMember_714f1538-f9d8-452f-8e6f-1e428293766f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesAbstract_134991da-299c-481f-997a-a9cfc034cf32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringChargesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_ce605b05-f68b-4c54-a52c-ff5fa3919e5d" xlink:to="loc_us-gaap_RestructuringChargesAbstract_134991da-299c-481f-997a-a9cfc034cf32" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_37ec3c94-bb63-436d-804d-7130053dea02" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeveranceCosts1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringChargesAbstract_134991da-299c-481f-997a-a9cfc034cf32" xlink:to="loc_us-gaap_SeveranceCosts1_37ec3c94-bb63-436d-804d-7130053dea02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ExitAndDisposalCostsAndProfessionalFees_06d8e95c-97d4-4a9e-a3f4-d365e1277262" xlink:href="pton-20240630.xsd#pton_ExitAndDisposalCostsAndProfessionalFees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringChargesAbstract_134991da-299c-481f-997a-a9cfc034cf32" xlink:to="loc_pton_ExitAndDisposalCostsAndProfessionalFees_06d8e95c-97d4-4a9e-a3f4-d365e1277262" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_RestructuringChargesCashCharges_b41f537f-1868-4a67-aff6-05126e9f8215" xlink:href="pton-20240630.xsd#pton_RestructuringChargesCashCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringChargesAbstract_134991da-299c-481f-997a-a9cfc034cf32" xlink:to="loc_pton_RestructuringChargesCashCharges_b41f537f-1868-4a67-aff6-05126e9f8215" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:href="pton-20240630.xsd#pton_RestructuringNonCashChargesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_ce605b05-f68b-4c54-a52c-ff5fa3919e5d" xlink:to="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AssetWriteDownsAndWriteOffs_6fc45b7b-a56d-43f6-b92d-722cab0cd640" xlink:href="pton-20240630.xsd#pton_AssetWriteDownsAndWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:to="loc_pton_AssetWriteDownsAndWriteOffs_6fc45b7b-a56d-43f6-b92d-722cab0cd640" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_StockBasedCompensationExpenseRestructuring_bffac6d9-2079-4335-9a2e-4687fb67575c" xlink:href="pton-20240630.xsd#pton_StockBasedCompensationExpenseRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:to="loc_pton_StockBasedCompensationExpenseRestructuring_bffac6d9-2079-4335-9a2e-4687fb67575c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_WriteOffsOfInventoryRelatedToRestructuringActivities_65dd87fc-c288-4d45-ac97-06321bcc9277" xlink:href="pton-20240630.xsd#pton_WriteOffsOfInventoryRelatedToRestructuringActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:to="loc_pton_WriteOffsOfInventoryRelatedToRestructuringActivities_65dd87fc-c288-4d45-ac97-06321bcc9277" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_e4e3017a-e8c2-446a-8652-af25ff32f6af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_e4e3017a-e8c2-446a-8652-af25ff32f6af" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_NonCashRestructuringCharges_5619f66a-abb5-4572-af2b-2fed0a987ade" xlink:href="pton-20240630.xsd#pton_NonCashRestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_RestructuringNonCashChargesAbstract_68d41d17-3b8e-4bea-a6ee-8f7006bd9a5e" xlink:to="loc_pton_NonCashRestructuringCharges_5619f66a-abb5-4572-af2b-2fed0a987ade" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCosts_4dfe31e3-dcb6-4010-a574-5ada2812b765" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_ce605b05-f68b-4c54-a52c-ff5fa3919e5d" xlink:to="loc_us-gaap_RestructuringCosts_4dfe31e3-dcb6-4010-a574-5ada2812b765" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/RestructuringScheduleofRestructuringRelatedLiabilitiesDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#RestructuringScheduleofRestructuringRelatedLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/RestructuringScheduleofRestructuringRelatedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_1460e293-c5da-4ce7-af0d-558f6a03eaaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_46590549-023a-4b0e-9ccc-d3bf7e16f798" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1460e293-c5da-4ce7-af0d-558f6a03eaaa" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_46590549-023a-4b0e-9ccc-d3bf7e16f798" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_4ff437d6-35db-4777-b3fb-b155b00ccf61" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_46590549-023a-4b0e-9ccc-d3bf7e16f798" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_4ff437d6-35db-4777-b3fb-b155b00ccf61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_4ff437d6-35db-4777-b3fb-b155b00ccf61_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_4ff437d6-35db-4777-b3fb-b155b00ccf61" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_4ff437d6-35db-4777-b3fb-b155b00ccf61_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_b7a2ec10-b19d-4c6b-8543-e72f43dd9c37" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_4ff437d6-35db-4777-b3fb-b155b00ccf61" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_b7a2ec10-b19d-4c6b-8543-e72f43dd9c37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_SeveranceAndOtherPersonnelCostsMember_3a7445cc-84db-4ae1-a8d4-0b67fcf3ba09" xlink:href="pton-20240630.xsd#pton_SeveranceAndOtherPersonnelCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_b7a2ec10-b19d-4c6b-8543-e72f43dd9c37" xlink:to="loc_pton_SeveranceAndOtherPersonnelCostsMember_3a7445cc-84db-4ae1-a8d4-0b67fcf3ba09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ExitAndDisposalCostsAndProfessionalFeesMember_c00445df-bbd2-4ff0-ba72-b5fd10acbfea" xlink:href="pton-20240630.xsd#pton_ExitAndDisposalCostsAndProfessionalFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_b7a2ec10-b19d-4c6b-8543-e72f43dd9c37" xlink:to="loc_pton_ExitAndDisposalCostsAndProfessionalFeesMember_c00445df-bbd2-4ff0-ba72-b5fd10acbfea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_7a8cbfdf-c5d9-4698-8301-5168b47db39d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_46590549-023a-4b0e-9ccc-d3bf7e16f798" xlink:to="loc_us-gaap_RestructuringPlanAxis_7a8cbfdf-c5d9-4698-8301-5168b47db39d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_7a8cbfdf-c5d9-4698-8301-5168b47db39d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_7a8cbfdf-c5d9-4698-8301-5168b47db39d" xlink:to="loc_us-gaap_RestructuringPlanDomain_7a8cbfdf-c5d9-4698-8301-5168b47db39d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_e317f726-dbab-4bf8-9a40-1f3db11ae6fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_7a8cbfdf-c5d9-4698-8301-5168b47db39d" xlink:to="loc_us-gaap_RestructuringPlanDomain_e317f726-dbab-4bf8-9a40-1f3db11ae6fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A2022RestructuringPlanMember_445783a5-7376-427c-bbb5-2f2763b4fe35" xlink:href="pton-20240630.xsd#pton_A2022RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_e317f726-dbab-4bf8-9a40-1f3db11ae6fc" xlink:to="loc_pton_A2022RestructuringPlanMember_445783a5-7376-427c-bbb5-2f2763b4fe35" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A2024RestructuringPlanMember_b64c30d2-d614-4528-ba7a-4ea20d9f78e8" xlink:href="pton-20240630.xsd#pton_A2024RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_e317f726-dbab-4bf8-9a40-1f3db11ae6fc" xlink:to="loc_pton_A2024RestructuringPlanMember_b64c30d2-d614-4528-ba7a-4ea20d9f78e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_288fed0c-d7b5-4623-86ef-c9d439b90a84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1460e293-c5da-4ce7-af0d-558f6a03eaaa" xlink:to="loc_us-gaap_RestructuringReserveRollForward_288fed0c-d7b5-4623-86ef-c9d439b90a84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_786dec10-f55d-4d80-9ade-bf978903c8b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_288fed0c-d7b5-4623-86ef-c9d439b90a84" xlink:to="loc_us-gaap_RestructuringReserve_786dec10-f55d-4d80-9ade-bf978903c8b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_RestructuringChargesCashCharges_7959587f-dd34-4ba2-b26c-9fcc51f0d34d" xlink:href="pton-20240630.xsd#pton_RestructuringChargesCashCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_288fed0c-d7b5-4623-86ef-c9d439b90a84" xlink:to="loc_pton_RestructuringChargesCashCharges_7959587f-dd34-4ba2-b26c-9fcc51f0d34d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_c69ba05a-7cb7-43ea-9ab2-04ad44650a12" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_288fed0c-d7b5-4623-86ef-c9d439b90a84" xlink:to="loc_us-gaap_PaymentsForRestructuring_c69ba05a-7cb7-43ea-9ab2-04ad44650a12" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_ae2d7ac2-0304-4052-8957-afaf91f7bfaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringReserve"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/FairValueMeasurementsOtherFinancialInstrumentsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#FairValueMeasurementsOtherFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/FairValueMeasurementsOtherFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a47c20c4-9d45-422b-8541-a3af32ac758d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d187fa1d-1564-4dc5-86d5-061611ae8f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a47c20c4-9d45-422b-8541-a3af32ac758d" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d187fa1d-1564-4dc5-86d5-061611ae8f7e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d7a478e1-0557-449f-a7f3-1346cdc749f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d187fa1d-1564-4dc5-86d5-061611ae8f7e" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d7a478e1-0557-449f-a7f3-1346cdc749f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d7a478e1-0557-449f-a7f3-1346cdc749f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d7a478e1-0557-449f-a7f3-1346cdc749f5" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d7a478e1-0557-449f-a7f3-1346cdc749f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b9976d0a-ac7e-4663-bb7f-496e2523caed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d7a478e1-0557-449f-a7f3-1346cdc749f5" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b9976d0a-ac7e-4663-bb7f-496e2523caed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_a16c81f9-3cc7-4c5b-827f-d0e24572d404" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b9976d0a-ac7e-4663-bb7f-496e2523caed" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_a16c81f9-3cc7-4c5b-827f-d0e24572d404" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_51be791c-fddb-4c1b-9904-3a7638876272" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b9976d0a-ac7e-4663-bb7f-496e2523caed" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_51be791c-fddb-4c1b-9904-3a7638876272" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_4d95c296-77b5-4b85-bc8c-2b83dc025b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b9976d0a-ac7e-4663-bb7f-496e2523caed" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_4d95c296-77b5-4b85-bc8c-2b83dc025b0d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2e37f11d-f592-460a-b4ad-f4a409fc9448" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d187fa1d-1564-4dc5-86d5-061611ae8f7e" xlink:to="loc_us-gaap_DebtInstrumentAxis_2e37f11d-f592-460a-b4ad-f4a409fc9448" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2e37f11d-f592-460a-b4ad-f4a409fc9448_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2e37f11d-f592-460a-b4ad-f4a409fc9448" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2e37f11d-f592-460a-b4ad-f4a409fc9448_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7f2cd6cf-2d3d-4674-bb5b-aaad9677ce4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2e37f11d-f592-460a-b4ad-f4a409fc9448" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7f2cd6cf-2d3d-4674-bb5b-aaad9677ce4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_18c4de2f-2d7e-4018-9f4e-9d74342a1991" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7f2cd6cf-2d3d-4674-bb5b-aaad9677ce4e" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_18c4de2f-2d7e-4018-9f4e-9d74342a1991" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_2e66ebeb-5a18-4f19-b82a-927fa62e7b55" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7f2cd6cf-2d3d-4674-bb5b-aaad9677ce4e" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_2e66ebeb-5a18-4f19-b82a-927fa62e7b55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_62166faf-7357-4781-9c49-e3ed54e82389" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d187fa1d-1564-4dc5-86d5-061611ae8f7e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_62166faf-7357-4781-9c49-e3ed54e82389" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_62166faf-7357-4781-9c49-e3ed54e82389_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_62166faf-7357-4781-9c49-e3ed54e82389" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_62166faf-7357-4781-9c49-e3ed54e82389_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_5ae6b478-cdb8-41fe-9566-797ea61ebfc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_62166faf-7357-4781-9c49-e3ed54e82389" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_5ae6b478-cdb8-41fe-9566-797ea61ebfc8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_b472bca9-19b9-4973-b580-1fb0d41db8d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_5ae6b478-cdb8-41fe-9566-797ea61ebfc8" xlink:to="loc_us-gaap_ConvertibleDebtMember_b472bca9-19b9-4973-b580-1fb0d41db8d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_282015c5-844e-47d2-a664-1ae0651e1aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a47c20c4-9d45-422b-8541-a3af32ac758d" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_282015c5-844e-47d2-a664-1ae0651e1aa0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtFairValueDisclosures_dcd92f53-70b9-4a7f-b8c0-2892cba96503" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtFairValueDisclosures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a47c20c4-9d45-422b-8541-a3af32ac758d" xlink:to="loc_us-gaap_ConvertibleDebtFairValueDisclosures_dcd92f53-70b9-4a7f-b8c0-2892cba96503" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/InventoriesNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#InventoriesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/InventoriesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLineItems_0d6c9f21-00a2-47cd-9863-46f74a36e697" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryCurrentTable_f41fb118-4939-47a9-afcf-079606c70b95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryCurrentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_0d6c9f21-00a2-47cd-9863-46f74a36e697" xlink:to="loc_us-gaap_InventoryCurrentTable_f41fb118-4939-47a9-afcf-079606c70b95" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryAxis_792ada8d-0570-43a1-b08e-71b32e256118" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PublicUtilitiesInventoryAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_f41fb118-4939-47a9-afcf-079606c70b95" xlink:to="loc_us-gaap_PublicUtilitiesInventoryAxis_792ada8d-0570-43a1-b08e-71b32e256118" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_792ada8d-0570-43a1-b08e-71b32e256118_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_792ada8d-0570-43a1-b08e-71b32e256118" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_792ada8d-0570-43a1-b08e-71b32e256118_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b5b14759-9d33-4007-a0e7-ec018e6e291e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_792ada8d-0570-43a1-b08e-71b32e256118" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b5b14759-9d33-4007-a0e7-ec018e6e291e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ExcessAccessoriesAndApparelMember_f0173340-3da3-4836-99e7-428ed70e8cd3" xlink:href="pton-20240630.xsd#pton_ExcessAccessoriesAndApparelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b5b14759-9d33-4007-a0e7-ec018e6e291e" xlink:to="loc_pton_ExcessAccessoriesAndApparelMember_f0173340-3da3-4836-99e7-428ed70e8cd3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_InventoryValuationAllowanceCarryingValue_6da4c907-b2e6-47d3-8762-6423be58865a" xlink:href="pton-20240630.xsd#pton_InventoryValuationAllowanceCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_0d6c9f21-00a2-47cd-9863-46f74a36e697" xlink:to="loc_pton_InventoryValuationAllowanceCarryingValue_6da4c907-b2e6-47d3-8762-6423be58865a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_a2351847-027d-42d1-ab5e-67435e6e364f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryValuationReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_0d6c9f21-00a2-47cd-9863-46f74a36e697" xlink:to="loc_us-gaap_InventoryValuationReserves_a2351847-027d-42d1-ab5e-67435e6e364f" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/AcquisitionsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#AcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/AcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:href="pton-20240630.xsd#pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionTable_1a96a76c-ee14-488c-ad0c-7865607c1bc0" xlink:href="pton-20240630.xsd#pton_ScheduleOfBusinessCombinationAndAssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:to="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionTable_1a96a76c-ee14-488c-ad0c-7865607c1bc0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionTable_1a96a76c-ee14-488c-ad0c-7865607c1bc0" xlink:to="loc_us-gaap_AssetAcquisitionAxis_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a" xlink:to="loc_us-gaap_AssetAcquisitionDomain_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_5a9e36b0-19ce-40d7-a408-678407f09222" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_a3f4627a-1bcf-42c5-a7d9-9b58dc55b29a" xlink:to="loc_us-gaap_AssetAcquisitionDomain_5a9e36b0-19ce-40d7-a408-678407f09222" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AssetAcquisition2020Member_28fcbf3f-a499-4c1c-9de0-c6345806da25" xlink:href="pton-20240630.xsd#pton_AssetAcquisition2020Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_5a9e36b0-19ce-40d7-a408-678407f09222" xlink:to="loc_pton_AssetAcquisition2020Member_28fcbf3f-a499-4c1c-9de0-c6345806da25" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionTable_1a96a76c-ee14-488c-ad0c-7865607c1bc0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a89bafa3-6fa3-4371-882d-1ff64aa3ab08" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_b127a7a6-772a-4e0a-9fe8-cb0a74f3d5d3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a89bafa3-6fa3-4371-882d-1ff64aa3ab08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_0a6ce768-16b7-49fe-9358-52b96f0b336c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a89bafa3-6fa3-4371-882d-1ff64aa3ab08" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_0a6ce768-16b7-49fe-9358-52b96f0b336c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_NumberOfAssetAcquisitionAgreement_21e44d9b-22c1-4c1d-aac0-13b863d0ac98" xlink:href="pton-20240630.xsd#pton_NumberOfAssetAcquisitionAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:to="loc_pton_NumberOfAssetAcquisitionAgreement_21e44d9b-22c1-4c1d-aac0-13b863d0ac98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AssetAcquisitionGoodwill_15e9f669-0a68-4364-bd54-e83dc8a4b3b2" xlink:href="pton-20240630.xsd#pton_AssetAcquisitionGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:to="loc_pton_AssetAcquisitionGoodwill_15e9f669-0a68-4364-bd54-e83dc8a4b3b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AssetAcquisitionIntangibleAssets_9e55ae84-cceb-42b2-8755-3416ac4cb093" xlink:href="pton-20240630.xsd#pton_AssetAcquisitionIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:to="loc_pton_AssetAcquisitionIntangibleAssets_9e55ae84-cceb-42b2-8755-3416ac4cb093" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_19ed26a7-5336-4465-b202-d260a8d4523e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_ScheduleOfBusinessCombinationAndAssetAcquisitionLineItems_a944f18e-4b8d-465b-94e2-f07b562191e4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_19ed26a7-5336-4465-b202-d260a8d4523e" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#PropertyandEquipmentScheduleofPropertyandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8e2ee9af-bd51-47cd-bb5d-2bbc60093243" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3b3135b3-033f-49f9-a04d-a02b8c001514" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8e2ee9af-bd51-47cd-bb5d-2bbc60093243" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3b3135b3-033f-49f9-a04d-a02b8c001514" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_eb6df1ae-5d4a-47da-987d-87925d7c2477" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3b3135b3-033f-49f9-a04d-a02b8c001514" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_eb6df1ae-5d4a-47da-987d-87925d7c2477" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_eb6df1ae-5d4a-47da-987d-87925d7c2477_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_eb6df1ae-5d4a-47da-987d-87925d7c2477" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_eb6df1ae-5d4a-47da-987d-87925d7c2477_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_eb6df1ae-5d4a-47da-987d-87925d7c2477" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_20f1a583-e549-4f23-b2ed-a8f1382d0a8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_LandMember_20f1a583-e549-4f23-b2ed-a8f1382d0a8b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingMember_b8f0f934-6439-4f3b-a7ca-c2f27a0fb9e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_BuildingMember_b8f0f934-6439-4f3b-a7ca-c2f27a0fb9e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_05827445-fb60-481d-931f-5b20769d31df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_05827445-fb60-481d-931f-5b20769d31df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_MachineryMember_e3e1aa6f-c4ff-4457-8bce-69e53cba9060" xlink:href="pton-20240630.xsd#pton_MachineryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_pton_MachineryMember_e3e1aa6f-c4ff-4457-8bce-69e53cba9060" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_66544bf7-3b2f-4b56-8295-16c04cbc9b2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_EquipmentMember_66544bf7-3b2f-4b56-8295-16c04cbc9b2f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CustomerLeasedEquipmentMember_21c4945e-8823-4974-90e5-5bf27c1218a7" xlink:href="pton-20240630.xsd#pton_CustomerLeasedEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_pton_CustomerLeasedEquipmentMember_21c4945e-8823-4974-90e5-5bf27c1218a7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_d83e9884-69cc-4053-b29b-224bc9737ff9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_d83e9884-69cc-4053-b29b-224bc9737ff9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_7a7a4011-733a-420d-929d-69d9927dff98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_ConstructionInProgressMember_7a7a4011-733a-420d-929d-69d9927dff98" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_661cc5a0-3899-4db5-a734-0a4729cd322a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_661cc5a0-3899-4db5-a734-0a4729cd322a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_cb7e02d9-801d-449d-9cc9-9d720652d1d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7fcce942-e962-49a4-96df-d1f3e6f24c80" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_cb7e02d9-801d-449d-9cc9-9d720652d1d2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_f502ea5d-8544-45d3-a800-bf533c65186f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8e2ee9af-bd51-47cd-bb5d-2bbc60093243" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_f502ea5d-8544-45d3-a800-bf533c65186f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7c4c68c1-71d9-48b7-b744-218bc21bc5d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8e2ee9af-bd51-47cd-bb5d-2bbc60093243" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7c4c68c1-71d9-48b7-b744-218bc21bc5d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_783b394d-5647-4f6c-8f50-a86c5cd3fe58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8e2ee9af-bd51-47cd-bb5d-2bbc60093243" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_783b394d-5647-4f6c-8f50-a86c5cd3fe58" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/PropertyandEquipmentNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#PropertyandEquipmentNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/PropertyandEquipmentNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_61f3cb2e-bd01-4e2e-b18a-89fac06fe275" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_61f3cb2e-bd01-4e2e-b18a-89fac06fe275" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61f3cb2e-bd01-4e2e-b18a-89fac06fe275_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_61f3cb2e-bd01-4e2e-b18a-89fac06fe275" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61f3cb2e-bd01-4e2e-b18a-89fac06fe275_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_61f3cb2e-bd01-4e2e-b18a-89fac06fe275" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ExitingRetailShowroomsMember_a5c5936d-8ae4-4d8b-89f1-d4b6509de750" xlink:href="pton-20240630.xsd#pton_ExitingRetailShowroomsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_ExitingRetailShowroomsMember_a5c5936d-8ae4-4d8b-89f1-d4b6509de750" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ConnectedFitnessAssetsMember_5821af20-e1dd-451b-9f9e-866f0882e00b" xlink:href="pton-20240630.xsd#pton_ConnectedFitnessAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_ConnectedFitnessAssetsMember_5821af20-e1dd-451b-9f9e-866f0882e00b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyEquipmentMember_43103783-92f1-47d1-b95c-db335f1df8a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TechnologyEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_us-gaap_TechnologyEquipmentMember_43103783-92f1-47d1-b95c-db335f1df8a9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CapitalizedSoftwareMember_12276b3c-be9b-4fbd-a706-939913e14b9e" xlink:href="pton-20240630.xsd#pton_CapitalizedSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_CapitalizedSoftwareMember_12276b3c-be9b-4fbd-a706-939913e14b9e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_OtherManufacturingAssetsMember_10fd5e20-6fac-4238-8ce9-6e9d28bb9b0d" xlink:href="pton-20240630.xsd#pton_OtherManufacturingAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_OtherManufacturingAssetsMember_10fd5e20-6fac-4238-8ce9-6e9d28bb9b0d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ManufacturingEquipmentMember_acd30d33-23f7-44cb-9a70-8618b5d24a09" xlink:href="pton-20240630.xsd#pton_ManufacturingEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_ManufacturingEquipmentMember_acd30d33-23f7-44cb-9a70-8618b5d24a09" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManufacturingFacilityMember_ff69a46b-bf60-4b78-9af9-d928352e2f84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ManufacturingFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_us-gaap_ManufacturingFacilityMember_ff69a46b-bf60-4b78-9af9-d928352e2f84" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_IdleAcquiredTechnologyMember_47010417-086a-421a-90fd-dbf4174c74ee" xlink:href="pton-20240630.xsd#pton_IdleAcquiredTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79261cb6-a577-4e36-a6be-84f469141479" xlink:to="loc_pton_IdleAcquiredTechnologyMember_47010417-086a-421a-90fd-dbf4174c74ee" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_3e9da756-7b5b-46a0-9bd8-2a273ad33297" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_3e9da756-7b5b-46a0-9bd8-2a273ad33297" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3e9da756-7b5b-46a0-9bd8-2a273ad33297_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_3e9da756-7b5b-46a0-9bd8-2a273ad33297" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3e9da756-7b5b-46a0-9bd8-2a273ad33297_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_52454efe-ebce-43bf-9e2e-2e2e445f2df2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_3e9da756-7b5b-46a0-9bd8-2a273ad33297" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_52454efe-ebce-43bf-9e2e-2e2e445f2df2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_PropertyPlantAndEquipmentBenchmarkMember_f000cdff-71a7-440a-9538-5bcf94983b89" xlink:href="pton-20240630.xsd#pton_PropertyPlantAndEquipmentBenchmarkMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_52454efe-ebce-43bf-9e2e-2e2e445f2df2" xlink:to="loc_pton_PropertyPlantAndEquipmentBenchmarkMember_f000cdff-71a7-440a-9538-5bcf94983b89" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_afc7b5c2-73e8-45a3-8364-7551fc1ac533" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:to="loc_srt_StatementGeographicalAxis_afc7b5c2-73e8-45a3-8364-7551fc1ac533" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_afc7b5c2-73e8-45a3-8364-7551fc1ac533_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_afc7b5c2-73e8-45a3-8364-7551fc1ac533" xlink:to="loc_srt_SegmentGeographicalDomain_afc7b5c2-73e8-45a3-8364-7551fc1ac533_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_5a907c44-0844-4491-94d3-4c1430b4d35e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_afc7b5c2-73e8-45a3-8364-7551fc1ac533" xlink:to="loc_srt_SegmentGeographicalDomain_5a907c44-0844-4491-94d3-4c1430b4d35e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_589aa2d0-f532-4353-9058-c29bd6e644dd" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_5a907c44-0844-4491-94d3-4c1430b4d35e" xlink:to="loc_country_US_589aa2d0-f532-4353-9058-c29bd6e644dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_GB_fe7fbbf5-3cda-4522-86db-f60d0a05454e" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_GB"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_5a907c44-0844-4491-94d3-4c1430b4d35e" xlink:to="loc_country_GB_fe7fbbf5-3cda-4522-86db-f60d0a05454e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_659b9392-5a2f-4aec-976a-c0266f3da7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9641ff56-dcd8-4b3a-b568-104854f9321a" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_659b9392-5a2f-4aec-976a-c0266f3da7ac" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_659b9392-5a2f-4aec-976a-c0266f3da7ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_659b9392-5a2f-4aec-976a-c0266f3da7ac" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_659b9392-5a2f-4aec-976a-c0266f3da7ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_063626b9-452e-4dca-8cd6-4f684c55c5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_659b9392-5a2f-4aec-976a-c0266f3da7ac" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_063626b9-452e-4dca-8cd6-4f684c55c5a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_5aa1ff79-72e6-47ad-bafd-4e44f67b5af5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_063626b9-452e-4dca-8cd6-4f684c55c5a4" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_5aa1ff79-72e6-47ad-bafd-4e44f67b5af5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_5414ba57-38db-443a-b9d5-516cb46fb7c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_5414ba57-38db-443a-b9d5-516cb46fb7c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ImpairmentLongLivedAssetHeldForUseCarryingValueOfAsset_b60e65fb-058d-492d-b16d-fab1e00ae4e9" xlink:href="pton-20240630.xsd#pton_ImpairmentLongLivedAssetHeldForUseCarryingValueOfAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_pton_ImpairmentLongLivedAssetHeldForUseCarryingValueOfAsset_b60e65fb-058d-492d-b16d-fab1e00ae4e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_bae5042f-4043-4416-86dd-9dc9608d7d60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_bae5042f-4043-4416-86dd-9dc9608d7d60" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_981da424-78b4-4095-9f8a-77c1f46ce156" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_981da424-78b4-4095-9f8a-77c1f46ce156" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_af321c9b-8cd4-49b8-9c8a-6b3255d0c3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedComputerSoftwareAmortization1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_38820cb8-996e-4e00-a71b-6ecca85f3087" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_af321c9b-8cd4-49b8-9c8a-6b3255d0c3b9" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/PropertyandEquipmentScheduleofUsefulLivesDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#PropertyandEquipmentScheduleofUsefulLivesDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/PropertyandEquipmentScheduleofUsefulLivesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d42ee6d3-800a-4d5f-b916-97303cf729ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c042d4e8-628d-4e5c-8032-99aecf1735fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d42ee6d3-800a-4d5f-b916-97303cf729ae" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c042d4e8-628d-4e5c-8032-99aecf1735fa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e0a84337-c55a-4021-8cfa-2dd2281b5fc6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c042d4e8-628d-4e5c-8032-99aecf1735fa" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e0a84337-c55a-4021-8cfa-2dd2281b5fc6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e0a84337-c55a-4021-8cfa-2dd2281b5fc6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e0a84337-c55a-4021-8cfa-2dd2281b5fc6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e0a84337-c55a-4021-8cfa-2dd2281b5fc6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e0a84337-c55a-4021-8cfa-2dd2281b5fc6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingMember_0b25e027-196e-4ad0-a43b-52b1f63ca49c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_us-gaap_BuildingMember_0b25e027-196e-4ad0-a43b-52b1f63ca49c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_MachineryMember_154c78ed-4b80-4f35-a401-1415dc672203" xlink:href="pton-20240630.xsd#pton_MachineryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_pton_MachineryMember_154c78ed-4b80-4f35-a401-1415dc672203" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_ff8e5701-fad8-4cd3-b0db-a0475fd85ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_us-gaap_EquipmentMember_ff8e5701-fad8-4cd3-b0db-a0475fd85ee2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CustomerLeasedEquipmentMember_5641182f-abb2-4c61-bb6e-809d7d51a064" xlink:href="pton-20240630.xsd#pton_CustomerLeasedEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_pton_CustomerLeasedEquipmentMember_5641182f-abb2-4c61-bb6e-809d7d51a064" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_612d46ca-e8c8-43c0-a45f-fd73a9eeb8cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_612d46ca-e8c8-43c0-a45f-fd73a9eeb8cd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_dbe2d734-d0f6-4e04-945a-4ebc5489a481" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c4a78d31-29f2-4fbc-a126-ee74195163ad" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_dbe2d734-d0f6-4e04-945a-4ebc5489a481" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_5311c357-fbeb-49b6-8628-95db35efb57a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c042d4e8-628d-4e5c-8032-99aecf1735fa" xlink:to="loc_srt_RangeAxis_5311c357-fbeb-49b6-8628-95db35efb57a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5311c357-fbeb-49b6-8628-95db35efb57a_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_5311c357-fbeb-49b6-8628-95db35efb57a" xlink:to="loc_srt_RangeMember_5311c357-fbeb-49b6-8628-95db35efb57a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_13e3de30-9d21-4270-a12e-b3bbae5843b2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_5311c357-fbeb-49b6-8628-95db35efb57a" xlink:to="loc_srt_RangeMember_13e3de30-9d21-4270-a12e-b3bbae5843b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_841e2ffe-d812-4c80-8746-0e4ad522510b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_13e3de30-9d21-4270-a12e-b3bbae5843b2" xlink:to="loc_srt_MinimumMember_841e2ffe-d812-4c80-8746-0e4ad522510b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_7de10bda-61d9-4792-9e02-dc0979e81403" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_13e3de30-9d21-4270-a12e-b3bbae5843b2" xlink:to="loc_srt_MaximumMember_7de10bda-61d9-4792-9e02-dc0979e81403" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_69f97969-6ba3-4aad-b98c-4b33d3ece4ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d42ee6d3-800a-4d5f-b916-97303cf729ae" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_69f97969-6ba3-4aad-b98c-4b33d3ece4ed" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#GoodwillandIntangibleAssetsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_27ca4d45-e32b-43d4-8c27-bf1c1e13705c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_d2af0981-0794-445e-8b53-053f777352f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_27ca4d45-e32b-43d4-8c27-bf1c1e13705c" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_d2af0981-0794-445e-8b53-053f777352f0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_0002c569-5f0b-473c-a809-9d5527b80b90" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_d2af0981-0794-445e-8b53-053f777352f0" xlink:to="loc_srt_ProductOrServiceAxis_0002c569-5f0b-473c-a809-9d5527b80b90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_0002c569-5f0b-473c-a809-9d5527b80b90_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_0002c569-5f0b-473c-a809-9d5527b80b90" xlink:to="loc_srt_ProductsAndServicesDomain_0002c569-5f0b-473c-a809-9d5527b80b90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_d4a8cec3-c086-4d91-a7c0-391d3e5714dc" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_0002c569-5f0b-473c-a809-9d5527b80b90" xlink:to="loc_srt_ProductsAndServicesDomain_d4a8cec3-c086-4d91-a7c0-391d3e5714dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_b43f7043-9ed2-4987-9087-c1e2fc1ef8b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d4a8cec3-c086-4d91-a7c0-391d3e5714dc" xlink:to="loc_us-gaap_ProductMember_b43f7043-9ed2-4987-9087-c1e2fc1ef8b6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_9a8f648f-5808-4606-a200-8c0d5b9abdd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_d2af0981-0794-445e-8b53-053f777352f0" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_9a8f648f-5808-4606-a200-8c0d5b9abdd1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_9a8f648f-5808-4606-a200-8c0d5b9abdd1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_9a8f648f-5808-4606-a200-8c0d5b9abdd1" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_9a8f648f-5808-4606-a200-8c0d5b9abdd1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_4237844d-f5da-4332-9ac4-f0b5547908ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_9a8f648f-5808-4606-a200-8c0d5b9abdd1" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_4237844d-f5da-4332-9ac4-f0b5547908ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_WriteOffOfAcquiredDevelopedTechnologyAndAssembledWorkforceMember_8287c5d7-4e31-444a-9446-e4856d86a4dd" xlink:href="pton-20240630.xsd#pton_WriteOffOfAcquiredDevelopedTechnologyAndAssembledWorkforceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_4237844d-f5da-4332-9ac4-f0b5547908ad" xlink:to="loc_pton_WriteOffOfAcquiredDevelopedTechnologyAndAssembledWorkforceMember_8287c5d7-4e31-444a-9446-e4856d86a4dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_2063bc38-e660-42f5-a3c5-9905f14400aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_27ca4d45-e32b-43d4-8c27-bf1c1e13705c" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_2063bc38-e660-42f5-a3c5-9905f14400aa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_28749c58-6690-48e1-b08d-d59824d6a3de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_27ca4d45-e32b-43d4-8c27-bf1c1e13705c" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_28749c58-6690-48e1-b08d-d59824d6a3de" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/GoodwillandIntangibleAssetsAccumulatedAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#GoodwillandIntangibleAssetsAccumulatedAmortizationofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/GoodwillandIntangibleAssetsAccumulatedAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_42c1bd3a-8ebd-4bb2-ac05-b45c6ddc8792" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_42c1bd3a-8ebd-4bb2-ac05-b45c6ddc8792" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e25e3b75-90fc-4234-bd76-21f8479d79b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_42c1bd3a-8ebd-4bb2-ac05-b45c6ddc8792" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e25e3b75-90fc-4234-bd76-21f8479d79b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e25e3b75-90fc-4234-bd76-21f8479d79b0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e25e3b75-90fc-4234-bd76-21f8479d79b0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e25e3b75-90fc-4234-bd76-21f8479d79b0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e25e3b75-90fc-4234-bd76-21f8479d79b0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_f807da0d-797a-47b9-bb49-d1924b61391e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_f807da0d-797a-47b9-bb49-d1924b61391e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_e469cdfe-0c5f-411c-b128-cbfacaedd8d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_e469cdfe-0c5f-411c-b128-cbfacaedd8d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_BrandMember_baac420e-f698-4d2b-ac26-db5830cdc817" xlink:href="pton-20240630.xsd#pton_BrandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:to="loc_pton_BrandMember_baac420e-f698-4d2b-ac26-db5830cdc817" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DistributorRelationshipsMember_82186969-87c2-4b8d-8ebf-34dcbbf425ab" xlink:href="pton-20240630.xsd#pton_DistributorRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:to="loc_pton_DistributorRelationshipsMember_82186969-87c2-4b8d-8ebf-34dcbbf425ab" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_2fad2a46-a512-4ab5-91db-867b1200fade" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ccb413b8-1732-406a-a398-d0c6f8a91500" xlink:to="loc_us-gaap_CustomerRelationshipsMember_2fad2a46-a512-4ab5-91db-867b1200fade" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_170aae49-0a17-4d34-aa04-faa40aad4663" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_170aae49-0a17-4d34-aa04-faa40aad4663" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_23eea61e-527f-41a9-9d0b-d09322c9d446" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_23eea61e-527f-41a9-9d0b-d09322c9d446" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_FiniteLivedIntangibleAssetsImpairment_59ca7f2a-2a32-4722-967e-5bb76f06d375" xlink:href="pton-20240630.xsd#pton_FiniteLivedIntangibleAssetsImpairment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_pton_FiniteLivedIntangibleAssetsImpairment_59ca7f2a-2a32-4722-967e-5bb76f06d375" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d77ee6fa-72cb-40cf-91f2-41da5460aeec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d77ee6fa-72cb-40cf-91f2-41da5460aeec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_eba8ead1-23ff-41cd-91cd-222a974bfefa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_50cff5ae-e305-408f-a800-ad6ebd521b87" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_eba8ead1-23ff-41cd-91cd-222a974bfefa" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#LeasesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_9212667f-7407-488a-b5c2-01bce9fbd525" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_bdeb81b5-0e03-4798-8c0e-00d68e2fa720" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_9212667f-7407-488a-b5c2-01bce9fbd525" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_bdeb81b5-0e03-4798-8c0e-00d68e2fa720" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_bdeb81b5-0e03-4798-8c0e-00d68e2fa720" xlink:to="loc_srt_ProductOrServiceAxis_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2" xlink:to="loc_srt_ProductsAndServicesDomain_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_e2689ac9-00bb-47c2-90f6-8f59af8d4ff2" xlink:to="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CorporateOfficeMember_971a11d2-7d38-4adb-a9b5-19b88d8de30b" xlink:href="pton-20240630.xsd#pton_CorporateOfficeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:to="loc_pton_CorporateOfficeMember_971a11d2-7d38-4adb-a9b5-19b88d8de30b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_f28e0401-e99a-4d13-ba98-061a5138b5af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:to="loc_us-gaap_ProductMember_f28e0401-e99a-4d13-ba98-061a5138b5af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_RetailShowroomMember_970785ef-0727-44a4-8b98-8b8c64712a65" xlink:href="pton-20240630.xsd#pton_RetailShowroomMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:to="loc_pton_RetailShowroomMember_970785ef-0727-44a4-8b98-8b8c64712a65" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_OtherManufacturingMember_b2f7cfb5-bf93-4e77-af95-7036804b3746" xlink:href="pton-20240630.xsd#pton_OtherManufacturingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0854d31e-4408-4f6f-9d3e-067e8dcb487d" xlink:to="loc_pton_OtherManufacturingMember_b2f7cfb5-bf93-4e77-af95-7036804b3746" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_01f44b72-5d00-4d0e-9bb7-7f41787290eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_9212667f-7407-488a-b5c2-01bce9fbd525" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_01f44b72-5d00-4d0e-9bb7-7f41787290eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_7a688301-11eb-4ea4-bc69-371260ce2eef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_9212667f-7407-488a-b5c2-01bce9fbd525" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_7a688301-11eb-4ea4-bc69-371260ce2eef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseIncome_c7313d4c-1a4f-4bfc-9cb0-98e995eaaae1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_9212667f-7407-488a-b5c2-01bce9fbd525" xlink:to="loc_us-gaap_LeaseIncome_c7313d4c-1a4f-4bfc-9cb0-98e995eaaae1" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/DebtConvertibleNotesandtheIndentureDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#DebtConvertibleNotesandtheIndentureDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/DebtConvertibleNotesandtheIndentureDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_78536fce-1922-4362-8113-5594f3490c75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_78536fce-1922-4362-8113-5594f3490c75" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_86c296f1-cac4-4286-ba57-54f11fc3369a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_78536fce-1922-4362-8113-5594f3490c75" xlink:to="loc_us-gaap_DebtInstrumentAxis_86c296f1-cac4-4286-ba57-54f11fc3369a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_86c296f1-cac4-4286-ba57-54f11fc3369a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_86c296f1-cac4-4286-ba57-54f11fc3369a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_86c296f1-cac4-4286-ba57-54f11fc3369a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_aded740f-12ae-4ab1-8afe-9220ada30f01" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_86c296f1-cac4-4286-ba57-54f11fc3369a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_aded740f-12ae-4ab1-8afe-9220ada30f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_628326c8-2531-446a-a98d-1b5cd946d869" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_aded740f-12ae-4ab1-8afe-9220ada30f01" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_628326c8-2531-446a-a98d-1b5cd946d869" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_3f93db35-fd3a-4a36-8fcc-d3d78673528e" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_aded740f-12ae-4ab1-8afe-9220ada30f01" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_3f93db35-fd3a-4a36-8fcc-d3d78673528e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_1c7279d4-8ad7-46cd-93df-680ab09b00de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_78536fce-1922-4362-8113-5594f3490c75" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_1c7279d4-8ad7-46cd-93df-680ab09b00de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1c7279d4-8ad7-46cd-93df-680ab09b00de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1c7279d4-8ad7-46cd-93df-680ab09b00de" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1c7279d4-8ad7-46cd-93df-680ab09b00de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_6a84c5cb-f078-49fd-9fe7-30ff16a5aeb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1c7279d4-8ad7-46cd-93df-680ab09b00de" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_6a84c5cb-f078-49fd-9fe7-30ff16a5aeb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_f4cc353c-8304-4e4d-9d46-7ea2712fbb7a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6a84c5cb-f078-49fd-9fe7-30ff16a5aeb5" xlink:to="loc_us-gaap_ConvertibleDebtMember_f4cc353c-8304-4e4d-9d46-7ea2712fbb7a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentConvertibleTermsOfConversionAxis_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9" xlink:href="pton-20240630.xsd#pton_DebtInstrumentConvertibleTermsOfConversionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_78536fce-1922-4362-8113-5594f3490c75" xlink:to="loc_pton_DebtInstrumentConvertibleTermsOfConversionAxis_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentConvertibleTermsOfConversionDomain_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9_default" xlink:href="pton-20240630.xsd#pton_DebtInstrumentConvertibleTermsOfConversionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_pton_DebtInstrumentConvertibleTermsOfConversionAxis_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9" xlink:to="loc_pton_DebtInstrumentConvertibleTermsOfConversionDomain_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentConvertibleTermsOfConversionDomain_aee6ddf7-ffc9-4653-a4cc-8edfb9813e85" xlink:href="pton-20240630.xsd#pton_DebtInstrumentConvertibleTermsOfConversionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_pton_DebtInstrumentConvertibleTermsOfConversionAxis_ca42190c-7ce7-4bc2-a4ba-10a860efb9f9" xlink:to="loc_pton_DebtInstrumentConvertibleTermsOfConversionDomain_aee6ddf7-ffc9-4653-a4cc-8edfb9813e85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtConversionTermsOneMember_5e9668a6-a490-4e18-a270-784f9dbb3e8b" xlink:href="pton-20240630.xsd#pton_DebtConversionTermsOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_DebtInstrumentConvertibleTermsOfConversionDomain_aee6ddf7-ffc9-4653-a4cc-8edfb9813e85" xlink:to="loc_pton_DebtConversionTermsOneMember_5e9668a6-a490-4e18-a270-784f9dbb3e8b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_7f6825dd-67dd-408c-acd4-3a5ce4963afd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_7f6825dd-67dd-408c-acd4-3a5ce4963afd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_ec807057-68e2-4897-a6c4-75cce57ade6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_ec807057-68e2-4897-a6c4-75cce57ade6c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_SaleOfStockSharesAvailableForExercise_48da724c-5089-4cbe-ae97-92a497e0cfca" xlink:href="pton-20240630.xsd#pton_SaleOfStockSharesAvailableForExercise"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_pton_SaleOfStockSharesAvailableForExercise_48da724c-5089-4cbe-ae97-92a497e0cfca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_c2d1dd21-3c47-4d0b-8864-43ca28e8d5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_c2d1dd21-3c47-4d0b-8864-43ca28e8d5f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForCommissions_cc821892-c8b3-4a2d-8f97-0ce750debff8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForCommissions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_PaymentsForCommissions_cc821892-c8b3-4a2d-8f97-0ce750debff8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_5db2e4af-a246-4f32-b436-fd2a2b2f3dda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_5db2e4af-a246-4f32-b436-fd2a2b2f3dda" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_466f877e-8483-4951-a096-ce4d1e1162d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_466f877e-8483-4951-a096-ce4d1e1162d3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_4743213c-2368-4390-97c3-a726231f33a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_4743213c-2368-4390-97c3-a726231f33a0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_ec785031-4811-4d94-9678-9e34c8aa1621" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleThresholdTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_ec785031-4811-4d94-9678-9e34c8aa1621" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_232c4daa-0c6a-482d-bd36-bc05abf06f07" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_232c4daa-0c6a-482d-bd36-bc05abf06f07" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_c1f6b3e8-1c8f-497a-98f9-2c7eee8e0509" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_c1f6b3e8-1c8f-497a-98f9-2c7eee8e0509" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_0f7c7e2b-b93c-4431-b20e-c8582d7b4650" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_0f7c7e2b-b93c-4431-b20e-c8582d7b4650" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_bf777653-996d-493b-80b2-660e740abc24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_InterestExpenseDebt_bf777653-996d-493b-80b2-660e740abc24" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_InterestExpenseDebtCash_08772e66-8ce0-48dc-a410-95bef59507f3" xlink:href="pton-20240630.xsd#pton_InterestExpenseDebtCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_pton_InterestExpenseDebtCash_08772e66-8ce0-48dc-a410-95bef59507f3" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepaidPrincipal_489faf0f-b966-4ea7-a6b2-b276a62654fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRepaidPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_DebtInstrumentRepaidPrincipal_489faf0f-b966-4ea7-a6b2-b276a62654fe" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_69b1440a-5eaf-4cdf-a92c-9e95db592663" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_69b1440a-5eaf-4cdf-a92c-9e95db592663" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6a17dead-cec6-4ff9-be3a-d64118afae62" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_c5e79f2b-6db6-4ed2-aaa2-48341b9c0257" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6a17dead-cec6-4ff9-be3a-d64118afae62" xlink:type="arc" order="16"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/DebtComponentsofConvertibleDebtDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#DebtComponentsofConvertibleDebtDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/DebtComponentsofConvertibleDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_f0b0d939-8df4-4ba1-9ede-5b11ff5b7a15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_77c29baa-c963-4f5e-a60a-704291703781" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f0b0d939-8df4-4ba1-9ede-5b11ff5b7a15" xlink:to="loc_us-gaap_DebtInstrumentTable_77c29baa-c963-4f5e-a60a-704291703781" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_507e48c8-77f9-4a72-8dfb-414f17971f10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_77c29baa-c963-4f5e-a60a-704291703781" xlink:to="loc_us-gaap_DebtInstrumentAxis_507e48c8-77f9-4a72-8dfb-414f17971f10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_507e48c8-77f9-4a72-8dfb-414f17971f10_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_507e48c8-77f9-4a72-8dfb-414f17971f10" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_507e48c8-77f9-4a72-8dfb-414f17971f10_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_498d1f6f-061c-496f-aa98-606496656d81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_507e48c8-77f9-4a72-8dfb-414f17971f10" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_498d1f6f-061c-496f-aa98-606496656d81" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_e0fc68ed-5452-4687-869a-8764e4485c88" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_498d1f6f-061c-496f-aa98-606496656d81" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_e0fc68ed-5452-4687-869a-8764e4485c88" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_a74a266f-d37d-4035-a645-64c0ed992c12" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_498d1f6f-061c-496f-aa98-606496656d81" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_a74a266f-d37d-4035-a645-64c0ed992c12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesOutstandingOnNovember162025Member_7e3ac300-64dd-4476-89be-a44e3cf3e1d5" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesOutstandingOnNovember162025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_498d1f6f-061c-496f-aa98-606496656d81" xlink:to="loc_pton_A0ConvertibleSeniorNotesOutstandingOnNovember162025Member_7e3ac300-64dd-4476-89be-a44e3cf3e1d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_61dcd73b-069b-44b6-ba1e-91d0582cf61b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_77c29baa-c963-4f5e-a60a-704291703781" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_61dcd73b-069b-44b6-ba1e-91d0582cf61b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_61dcd73b-069b-44b6-ba1e-91d0582cf61b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_61dcd73b-069b-44b6-ba1e-91d0582cf61b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_61dcd73b-069b-44b6-ba1e-91d0582cf61b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4b1a8f49-74e4-4a42-b73b-d444386b0f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_61dcd73b-069b-44b6-ba1e-91d0582cf61b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4b1a8f49-74e4-4a42-b73b-d444386b0f2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_479ccdad-d856-4eac-afc8-7a3dedc68c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4b1a8f49-74e4-4a42-b73b-d444386b0f2c" xlink:to="loc_us-gaap_ConvertibleDebtMember_479ccdad-d856-4eac-afc8-7a3dedc68c1d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_77c29baa-c963-4f5e-a60a-704291703781" xlink:to="loc_us-gaap_CreditFacilityAxis_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38" xlink:to="loc_us-gaap_CreditFacilityDomain_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_a9601eba-a510-4541-9bae-77e0aa1308df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_ac711aa0-a718-4ba1-8a4d-7d969b8f8a38" xlink:to="loc_us-gaap_CreditFacilityDomain_a9601eba-a510-4541-9bae-77e0aa1308df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TermLoanFacilityMember_7926aaa4-a751-459c-a27d-0ce47d205932" xlink:href="pton-20240630.xsd#pton_TermLoanFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_a9601eba-a510-4541-9bae-77e0aa1308df" xlink:to="loc_pton_TermLoanFacilityMember_7926aaa4-a751-459c-a27d-0ce47d205932" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f0b0d939-8df4-4ba1-9ede-5b11ff5b7a15" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_fca57659-4bfc-4d19-a3a9-b7a9dd97411e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_fca57659-4bfc-4d19-a3a9-b7a9dd97411e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_5fdcde8f-7b52-45e6-94b7-51609717c35a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_5fdcde8f-7b52-45e6-94b7-51609717c35a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_d449f55b-880d-47f2-84b0-446a36e96ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAnnualPrincipalPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:to="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_d449f55b-880d-47f2-84b0-446a36e96ea6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_59a9047a-b40a-4ffb-b49b-8c51ac591cea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_59a9047a-b40a-4ffb-b49b-8c51ac591cea" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_ff8728df-a067-429c-8c97-4edbb410f300" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetAbstract_52fd1b03-3497-488c-b5fd-d5d7af127c75" xlink:to="loc_us-gaap_LongTermDebt_ff8728df-a067-429c-8c97-4edbb410f300" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/DebtComponentsofInterestExpenseDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#DebtComponentsofInterestExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/DebtComponentsofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_07d8839f-55d2-467e-a373-305e10f4884a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b9a17c63-601d-4580-be41-3765d6a6fdae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_07d8839f-55d2-467e-a373-305e10f4884a" xlink:to="loc_us-gaap_DebtInstrumentTable_b9a17c63-601d-4580-be41-3765d6a6fdae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d5efa7b4-d04b-4afb-b12b-f964fc0203e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b9a17c63-601d-4580-be41-3765d6a6fdae" xlink:to="loc_us-gaap_DebtInstrumentAxis_d5efa7b4-d04b-4afb-b12b-f964fc0203e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d5efa7b4-d04b-4afb-b12b-f964fc0203e4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_d5efa7b4-d04b-4afb-b12b-f964fc0203e4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d5efa7b4-d04b-4afb-b12b-f964fc0203e4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d192a85d-9c3d-4352-825e-75cbe6831296" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_d5efa7b4-d04b-4afb-b12b-f964fc0203e4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d192a85d-9c3d-4352-825e-75cbe6831296" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_0a7e7e5a-399e-4885-a058-6be0092ab597" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d192a85d-9c3d-4352-825e-75cbe6831296" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_0a7e7e5a-399e-4885-a058-6be0092ab597" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_f520e3b8-177e-4692-9a5f-e627052a5303" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b9a17c63-601d-4580-be41-3765d6a6fdae" xlink:to="loc_us-gaap_CreditFacilityAxis_f520e3b8-177e-4692-9a5f-e627052a5303" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_f520e3b8-177e-4692-9a5f-e627052a5303_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_f520e3b8-177e-4692-9a5f-e627052a5303" xlink:to="loc_us-gaap_CreditFacilityDomain_f520e3b8-177e-4692-9a5f-e627052a5303_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_b6497a58-659d-410e-ad48-5d987a613364" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_f520e3b8-177e-4692-9a5f-e627052a5303" xlink:to="loc_us-gaap_CreditFacilityDomain_b6497a58-659d-410e-ad48-5d987a613364" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TermLoanFacilityMember_43399d7b-d4bc-4450-8146-4f10d54b8048" xlink:href="pton-20240630.xsd#pton_TermLoanFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_b6497a58-659d-410e-ad48-5d987a613364" xlink:to="loc_pton_TermLoanFacilityMember_43399d7b-d4bc-4450-8146-4f10d54b8048" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebtAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_07d8839f-55d2-467e-a373-305e10f4884a" xlink:to="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_5f683be6-6edd-48ec-9114-5f21f48a5993" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_5f683be6-6edd-48ec-9114-5f21f48a5993" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_47ddafe2-6d79-4e39-83e2-06874b8bb4c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfDebtDiscountPremium"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_47ddafe2-6d79-4e39-83e2-06874b8bb4c5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_ceed1c07-7530-4492-8c30-c622829ed711" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:to="loc_us-gaap_InterestCostsCapitalized_ceed1c07-7530-4492-8c30-c622829ed711" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_6ce13c81-25e6-4c7a-bedc-cfaa410d8fa5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:to="loc_us-gaap_InterestExpenseDebt_6ce13c81-25e6-4c7a-bedc-cfaa410d8fa5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_InterestExpenseDebtNonCash_be86bef4-2437-4d9b-9e2b-b963bf364795" xlink:href="pton-20240630.xsd#pton_InterestExpenseDebtNonCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseDebtAbstract_b87996be-ab6c-4676-a974-b622fc859f30" xlink:to="loc_pton_InterestExpenseDebtNonCash_be86bef4-2437-4d9b-9e2b-b963bf364795" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/DebtThirdAmendedandRestatedCreditAgreementDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#DebtThirdAmendedandRestatedCreditAgreementDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/DebtThirdAmendedandRestatedCreditAgreementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_169d4120-9e3f-4117-9875-2833b76db589" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:to="loc_us-gaap_CreditFacilityAxis_169d4120-9e3f-4117-9875-2833b76db589" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_169d4120-9e3f-4117-9875-2833b76db589_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_169d4120-9e3f-4117-9875-2833b76db589" xlink:to="loc_us-gaap_CreditFacilityDomain_169d4120-9e3f-4117-9875-2833b76db589_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c37a2918-a210-4712-ba25-071d12b1eb74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_169d4120-9e3f-4117-9875-2833b76db589" xlink:to="loc_us-gaap_CreditFacilityDomain_c37a2918-a210-4712-ba25-071d12b1eb74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_3da4506d-966d-47e6-9c70-6345257fee64" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c37a2918-a210-4712-ba25-071d12b1eb74" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_3da4506d-966d-47e6-9c70-6345257fee64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TermLoanFacilityMember_a0deb3cb-e65b-41de-9dee-6462cdb9a166" xlink:href="pton-20240630.xsd#pton_TermLoanFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c37a2918-a210-4712-ba25-071d12b1eb74" xlink:to="loc_pton_TermLoanFacilityMember_a0deb3cb-e65b-41de-9dee-6462cdb9a166" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_4c9f2d5e-e2b5-49be-a744-8d009089d927" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c37a2918-a210-4712-ba25-071d12b1eb74" xlink:to="loc_us-gaap_LetterOfCreditMember_4c9f2d5e-e2b5-49be-a744-8d009089d927" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_8714b3a6-57bd-4bc2-818b-85ee9cf9700b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:to="loc_us-gaap_DebtInstrumentAxis_8714b3a6-57bd-4bc2-818b-85ee9cf9700b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8714b3a6-57bd-4bc2-818b-85ee9cf9700b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_8714b3a6-57bd-4bc2-818b-85ee9cf9700b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8714b3a6-57bd-4bc2-818b-85ee9cf9700b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d6dbf845-7c2a-4f40-8b07-5afe9cbde554" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_8714b3a6-57bd-4bc2-818b-85ee9cf9700b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d6dbf845-7c2a-4f40-8b07-5afe9cbde554" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ThirdAmendedAndRestatedCreditAgreementMember_98b25c5f-7a60-42be-a241-4ebd7f47d694" xlink:href="pton-20240630.xsd#pton_ThirdAmendedAndRestatedCreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d6dbf845-7c2a-4f40-8b07-5afe9cbde554" xlink:to="loc_pton_ThirdAmendedAndRestatedCreditAgreementMember_98b25c5f-7a60-42be-a241-4ebd7f47d694" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_36cde846-7dbc-44ef-a455-35a22b0c365b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_36cde846-7dbc-44ef-a455-35a22b0c365b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_36cde846-7dbc-44ef-a455-35a22b0c365b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_36cde846-7dbc-44ef-a455-35a22b0c365b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_36cde846-7dbc-44ef-a455-35a22b0c365b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e7ff162b-24f1-4bee-ac13-5b02b3985c8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_36cde846-7dbc-44ef-a455-35a22b0c365b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e7ff162b-24f1-4bee-ac13-5b02b3985c8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_55eb99f7-f97b-46cb-9357-63b1397f8a65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_e7ff162b-24f1-4bee-ac13-5b02b3985c8a" xlink:to="loc_us-gaap_LineOfCreditMember_55eb99f7-f97b-46cb-9357-63b1397f8a65" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentMaturityPeriodAxis_5798e661-c2b3-4fcd-843d-75fe3eca2ce4" xlink:href="pton-20240630.xsd#pton_DebtInstrumentMaturityPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:to="loc_pton_DebtInstrumentMaturityPeriodAxis_5798e661-c2b3-4fcd-843d-75fe3eca2ce4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentMaturityPeriodDomain_5798e661-c2b3-4fcd-843d-75fe3eca2ce4_default" xlink:href="pton-20240630.xsd#pton_DebtInstrumentMaturityPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_pton_DebtInstrumentMaturityPeriodAxis_5798e661-c2b3-4fcd-843d-75fe3eca2ce4" xlink:to="loc_pton_DebtInstrumentMaturityPeriodDomain_5798e661-c2b3-4fcd-843d-75fe3eca2ce4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentMaturityPeriodDomain_87b43067-44b2-4559-806e-a60586c9732f" xlink:href="pton-20240630.xsd#pton_DebtInstrumentMaturityPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_pton_DebtInstrumentMaturityPeriodAxis_5798e661-c2b3-4fcd-843d-75fe3eca2ce4" xlink:to="loc_pton_DebtInstrumentMaturityPeriodDomain_87b43067-44b2-4559-806e-a60586c9732f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentMaturityPeriodOneMember_ff019371-f295-4a5a-817a-be9abcf09ca9" xlink:href="pton-20240630.xsd#pton_DebtInstrumentMaturityPeriodOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_DebtInstrumentMaturityPeriodDomain_87b43067-44b2-4559-806e-a60586c9732f" xlink:to="loc_pton_DebtInstrumentMaturityPeriodOneMember_ff019371-f295-4a5a-817a-be9abcf09ca9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentMaturityPeriodTwoMember_394ccbd5-684e-4dd1-a9ff-4def6c15389b" xlink:href="pton-20240630.xsd#pton_DebtInstrumentMaturityPeriodTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_DebtInstrumentMaturityPeriodDomain_87b43067-44b2-4559-806e-a60586c9732f" xlink:to="loc_pton_DebtInstrumentMaturityPeriodTwoMember_394ccbd5-684e-4dd1-a9ff-4def6c15389b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_FloorRateAxis_bf6a755c-8679-42e3-9e91-421278a7aef0" xlink:href="pton-20240630.xsd#pton_FloorRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_917865f8-d3f1-4db6-9b3b-bf35ff027ebf" xlink:to="loc_pton_FloorRateAxis_bf6a755c-8679-42e3-9e91-421278a7aef0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_FloorRateDomain_bf6a755c-8679-42e3-9e91-421278a7aef0_default" xlink:href="pton-20240630.xsd#pton_FloorRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_pton_FloorRateAxis_bf6a755c-8679-42e3-9e91-421278a7aef0" xlink:to="loc_pton_FloorRateDomain_bf6a755c-8679-42e3-9e91-421278a7aef0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_FloorRateDomain_d0da5037-069c-42e8-93c1-c2c08c2aa5f6" xlink:href="pton-20240630.xsd#pton_FloorRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_pton_FloorRateAxis_bf6a755c-8679-42e3-9e91-421278a7aef0" xlink:to="loc_pton_FloorRateDomain_d0da5037-069c-42e8-93c1-c2c08c2aa5f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_FloorRateMember_0f818ba3-0ca7-49a6-a481-b0e8b89ef181" xlink:href="pton-20240630.xsd#pton_FloorRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_FloorRateDomain_d0da5037-069c-42e8-93c1-c2c08c2aa5f6" xlink:to="loc_pton_FloorRateMember_0f818ba3-0ca7-49a6-a481-b0e8b89ef181" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4bc650e7-a054-436e-87a5-5b55c660ac32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4bc650e7-a054-436e-87a5-5b55c660ac32" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentPeriodicInterest_9e731d9c-91dd-47f4-b2bf-9c8a8705bd5e" xlink:href="pton-20240630.xsd#pton_DebtInstrumentPeriodicInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_pton_DebtInstrumentPeriodicInterest_9e731d9c-91dd-47f4-b2bf-9c8a8705bd5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_LineOfCreditFacilityLiquidityCovenant_4eaa80c5-09cb-41dd-82d8-3f4906e0420d" xlink:href="pton-20240630.xsd#pton_LineOfCreditFacilityLiquidityCovenant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_pton_LineOfCreditFacilityLiquidityCovenant_4eaa80c5-09cb-41dd-82d8-3f4906e0420d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_a18a8e89-10be-4b22-892d-c539adbe7efc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_a18a8e89-10be-4b22-892d-c539adbe7efc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_f978c0aa-f67a-41a4-85f9-0f84b7e2284b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_f978c0aa-f67a-41a4-85f9-0f84b7e2284b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_2f99a177-f681-4e55-ae65-43e4a8342125" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_2f99a177-f681-4e55-ae65-43e4a8342125" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_ec0e3d95-7a19-488b-8a7f-ee6faec4883d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_ec0e3d95-7a19-488b-8a7f-ee6faec4883d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_ed305724-7af7-48ef-81cc-f41026253777" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_ed305724-7af7-48ef-81cc-f41026253777" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_2145c759-468d-426b-b2a2-f2be254f0840" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_2145c759-468d-426b-b2a2-f2be254f0840" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_DebtInstrumentDebtDiscount_fdf5ec51-31be-43a8-8f37-3fa392edfc10" xlink:href="pton-20240630.xsd#pton_DebtInstrumentDebtDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_pton_DebtInstrumentDebtDiscount_fdf5ec51-31be-43a8-8f37-3fa392edfc10" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_f74ad7d2-9d55-4092-9ac3-8a80af78a58d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_f74ad7d2-9d55-4092-9ac3-8a80af78a58d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_d06d7ea5-196a-47bd-aa9e-3f86dbb228e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_d06d7ea5-196a-47bd-aa9e-3f86dbb228e4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_7302920d-3cb1-46d5-82be-d2f68ceaade3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_7302920d-3cb1-46d5-82be-d2f68ceaade3" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_e8ab8588-dad9-4b39-85d5-340b734ee91e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_e8ab8588-dad9-4b39-85d5-340b734ee91e" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_ecf1313c-1f99-44fd-a653-057e4dd10b78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_ecf1313c-1f99-44fd-a653-057e4dd10b78" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_InterestExpenseDebtCash_e39da453-7905-47ee-ae13-a53a2e8c6f98" xlink:href="pton-20240630.xsd#pton_InterestExpenseDebtCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_pton_InterestExpenseDebtCash_e39da453-7905-47ee-ae13-a53a2e8c6f98" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_323dbf20-98f9-4f80-814a-bc8353139c99" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_10e85e5b-f7de-4a3e-899b-d05c067570c5" xlink:to="loc_us-gaap_InterestCostsCapitalized_323dbf20-98f9-4f80-814a-bc8353139c99" xlink:type="arc" order="16"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/DebtScheduleofMaturitiesofDebtInstrumentsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#DebtScheduleofMaturitiesofDebtInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/DebtScheduleofMaturitiesofDebtInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_181c69d1-d89c-40be-9cea-247cd52d156a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_DebtInstrumentTable_181c69d1-d89c-40be-9cea-247cd52d156a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_181c69d1-d89c-40be-9cea-247cd52d156a" xlink:to="loc_us-gaap_DebtInstrumentAxis_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c469cd91-91b6-4604-87eb-5662466d0708" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_4d65bf8d-2ab2-4b3b-a509-1a4807f53da9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c469cd91-91b6-4604-87eb-5662466d0708" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_a023a671-17d3-49e0-bff8-3691e7a50c79" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c469cd91-91b6-4604-87eb-5662466d0708" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_a023a671-17d3-49e0-bff8-3691e7a50c79" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_b7ea0d72-244d-4e36-81d9-85d4e3d56aba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_181c69d1-d89c-40be-9cea-247cd52d156a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_b7ea0d72-244d-4e36-81d9-85d4e3d56aba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b7ea0d72-244d-4e36-81d9-85d4e3d56aba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b7ea0d72-244d-4e36-81d9-85d4e3d56aba" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b7ea0d72-244d-4e36-81d9-85d4e3d56aba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_41fa048e-3d99-44d9-b871-2c9eaaad3d32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b7ea0d72-244d-4e36-81d9-85d4e3d56aba" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_41fa048e-3d99-44d9-b871-2c9eaaad3d32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_0fe1f730-de0d-42d3-b984-7d7203024ee0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_41fa048e-3d99-44d9-b871-2c9eaaad3d32" xlink:to="loc_us-gaap_ConvertibleDebtMember_0fe1f730-de0d-42d3-b984-7d7203024ee0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_e52df300-e204-4580-856c-c2eb42269a68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_e52df300-e204-4580-856c-c2eb42269a68" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4a7d4fe9-04de-42d5-8473-1bdce199b889" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4a7d4fe9-04de-42d5-8473-1bdce199b889" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_941da211-d484-4c43-a883-343d386aedb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_941da211-d484-4c43-a883-343d386aedb2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_4af7d7a1-7834-4875-8f28-373b93529792" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_4af7d7a1-7834-4875-8f28-373b93529792" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_201aa9d6-f1ac-4902-bca8-2c86306b34f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_201aa9d6-f1ac-4902-bca8-2c86306b34f8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_9b7e6b73-4a83-4154-a538-69fed17fe280" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_9b7e6b73-4a83-4154-a538-69fed17fe280" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_0c3133b4-c47d-4043-888d-7438595f2f86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_LongTermDebt_0c3133b4-c47d-4043-888d-7438595f2f86" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_0a26121b-7e91-4cb9-9be7-dab796cf5dad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_c626abe9-0bf2-48d0-92ac-92bae6de0204" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_0a26121b-7e91-4cb9-9be7-dab796cf5dad" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CommitmentsandContingenciesMinimumGuaranteeRoyaltyPaymentsDueDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#CommitmentsandContingenciesMinimumGuaranteeRoyaltyPaymentsDueDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CommitmentsandContingenciesMinimumGuaranteeRoyaltyPaymentsDueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_aaf6d29d-09a8-4880-b027-d1feea007b57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_55128242-be36-401f-af50-f9500e107e3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_aaf6d29d-09a8-4880-b027-d1feea007b57" xlink:to="loc_us-gaap_OtherCommitmentsTable_55128242-be36-401f-af50-f9500e107e3c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_35f48a56-ac0c-4d35-b6f4-101b51109d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_55128242-be36-401f-af50-f9500e107e3c" xlink:to="loc_us-gaap_OtherCommitmentsAxis_35f48a56-ac0c-4d35-b6f4-101b51109d7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_35f48a56-ac0c-4d35-b6f4-101b51109d7e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_OtherCommitmentsAxis_35f48a56-ac0c-4d35-b6f4-101b51109d7e" xlink:to="loc_us-gaap_OtherCommitmentsDomain_35f48a56-ac0c-4d35-b6f4-101b51109d7e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_670a0f5e-105d-4bfe-801b-6191f5255fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_OtherCommitmentsAxis_35f48a56-ac0c-4d35-b6f4-101b51109d7e" xlink:to="loc_us-gaap_OtherCommitmentsDomain_670a0f5e-105d-4bfe-801b-6191f5255fb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_RoyaltyGuaranteesCommitmentsMember_25f1b43d-50d7-4774-b4ab-f3ad92d9a943" xlink:href="pton-20240630.xsd#pton_RoyaltyGuaranteesCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsDomain_670a0f5e-105d-4bfe-801b-6191f5255fb8" xlink:to="loc_pton_RoyaltyGuaranteesCommitmentsMember_25f1b43d-50d7-4774-b4ab-f3ad92d9a943" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationFiscalYearMaturityAbstract_51418983-3f48-4f9e-95a4-2b2ea0420e96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationFiscalYearMaturityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_aaf6d29d-09a8-4880-b027-d1feea007b57" xlink:to="loc_us-gaap_PurchaseObligationFiscalYearMaturityAbstract_51418983-3f48-4f9e-95a4-2b2ea0420e96" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_655f32e5-0149-40f0-96f9-bee54fb9d7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseObligationFiscalYearMaturityAbstract_51418983-3f48-4f9e-95a4-2b2ea0420e96" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_655f32e5-0149-40f0-96f9-bee54fb9d7f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_00c43c4d-bac5-41d0-a0c6-92d72131bea9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInSecondYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseObligationFiscalYearMaturityAbstract_51418983-3f48-4f9e-95a4-2b2ea0420e96" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_00c43c4d-bac5-41d0-a0c6-92d72131bea9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_fffd167d-fc4b-477e-9e62-4f7ba4de7c2b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseObligationFiscalYearMaturityAbstract_51418983-3f48-4f9e-95a4-2b2ea0420e96" xlink:to="loc_us-gaap_PurchaseObligation_fffd167d-fc4b-477e-9e62-4f7ba4de7c2b" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CommitmentsandContingenciesActualandFutureReturnsandWrittenDownandLogisticsCostsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#CommitmentsandContingenciesActualandFutureReturnsandWrittenDownandLogisticsCostsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CommitmentsandContingenciesActualandFutureReturnsandWrittenDownandLogisticsCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_2c57b1df-fceb-4d77-94ed-9dbcdab653f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_92748562-688e-4742-a3fd-5ec2d8928010" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_2c57b1df-fceb-4d77-94ed-9dbcdab653f4" xlink:to="loc_us-gaap_OtherCommitmentsTable_92748562-688e-4742-a3fd-5ec2d8928010" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_270762b4-3bc6-409b-b41f-f1e8f567035e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_92748562-688e-4742-a3fd-5ec2d8928010" xlink:to="loc_srt_ProductOrServiceAxis_270762b4-3bc6-409b-b41f-f1e8f567035e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_270762b4-3bc6-409b-b41f-f1e8f567035e_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_270762b4-3bc6-409b-b41f-f1e8f567035e" xlink:to="loc_srt_ProductsAndServicesDomain_270762b4-3bc6-409b-b41f-f1e8f567035e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_aaa6f6b9-bfb0-4644-b51e-7d380e66e621" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_270762b4-3bc6-409b-b41f-f1e8f567035e" xlink:to="loc_srt_ProductsAndServicesDomain_aaa6f6b9-bfb0-4644-b51e-7d380e66e621" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_a7d8cdc6-cfed-4971-9900-6cad1a979258" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_aaa6f6b9-bfb0-4644-b51e-7d380e66e621" xlink:to="loc_us-gaap_ProductMember_a7d8cdc6-cfed-4971-9900-6cad1a979258" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_92748562-688e-4742-a3fd-5ec2d8928010" xlink:to="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_7dcec304-c498-41ed-a0e2-c1e939a18c29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_5b40c9c3-61bb-4a22-a9a9-bffc8c0cc128" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_7dcec304-c498-41ed-a0e2-c1e939a18c29" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesReturnsAndAllowancesMember_e17a83c8-61a1-42d7-b385-7bd6d252063b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesReturnsAndAllowancesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_7dcec304-c498-41ed-a0e2-c1e939a18c29" xlink:to="loc_us-gaap_SalesReturnsAndAllowancesMember_e17a83c8-61a1-42d7-b385-7bd6d252063b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_92748562-688e-4742-a3fd-5ec2d8928010" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2" xlink:to="loc_us-gaap_SegmentDomain_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e257a430-a2ec-4ea4-90ae-30e1b762e8c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b1b4c176-8ea1-4ccc-9a47-0929ddff17d2" xlink:to="loc_us-gaap_SegmentDomain_e257a430-a2ec-4ea4-90ae-30e1b762e8c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ConnectedFitnessProductsSegmentMember_0bbffb18-fa3a-4038-8a38-f28de330ed2f" xlink:href="pton-20240630.xsd#pton_ConnectedFitnessProductsSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e257a430-a2ec-4ea4-90ae-30e1b762e8c0" xlink:to="loc_pton_ConnectedFitnessProductsSegmentMember_0bbffb18-fa3a-4038-8a38-f28de330ed2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_81830ae7-1085-4e53-9593-409d51cb73a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_2c57b1df-fceb-4d77-94ed-9dbcdab653f4" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_81830ae7-1085-4e53-9593-409d51cb73a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_2d80c034-37a0-4a02-832f-0b644850d353" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_2c57b1df-fceb-4d77-94ed-9dbcdab653f4" xlink:to="loc_us-gaap_CostOfRevenue_2d80c034-37a0-4a02-832f-0b644850d353" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#CommitmentsandContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_58ce1531-86a2-4aad-969b-037f909b832d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_OtherCommitmentsTable_58ce1531-86a2-4aad-969b-037f909b832d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_81b5f0ba-75fb-430d-be66-adaee19181ed" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_58ce1531-86a2-4aad-969b-037f909b832d" xlink:to="loc_srt_ProductOrServiceAxis_81b5f0ba-75fb-430d-be66-adaee19181ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_81b5f0ba-75fb-430d-be66-adaee19181ed_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_81b5f0ba-75fb-430d-be66-adaee19181ed" xlink:to="loc_srt_ProductsAndServicesDomain_81b5f0ba-75fb-430d-be66-adaee19181ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e6a50334-8ce1-4c80-bcc3-5fadc1839634" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_81b5f0ba-75fb-430d-be66-adaee19181ed" xlink:to="loc_srt_ProductsAndServicesDomain_e6a50334-8ce1-4c80-bcc3-5fadc1839634" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_93663001-4d7a-434e-807c-2ca3efc09e15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e6a50334-8ce1-4c80-bcc3-5fadc1839634" xlink:to="loc_us-gaap_ProductMember_93663001-4d7a-434e-807c-2ca3efc09e15" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManufacturedProductOtherMember_8e43e17a-e0cf-491b-be01-0df8144d25a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ManufacturedProductOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e6a50334-8ce1-4c80-bcc3-5fadc1839634" xlink:to="loc_us-gaap_ManufacturedProductOtherMember_8e43e17a-e0cf-491b-be01-0df8144d25a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_26c20fd5-2f0f-467c-95ef-ce695296e5f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_58ce1531-86a2-4aad-969b-037f909b832d" xlink:to="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_26c20fd5-2f0f-467c-95ef-ce695296e5f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_26c20fd5-2f0f-467c-95ef-ce695296e5f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_26c20fd5-2f0f-467c-95ef-ce695296e5f5" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_26c20fd5-2f0f-467c-95ef-ce695296e5f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_3e2170dc-a1f3-4e2f-98bc-ebe11b427df6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_26c20fd5-2f0f-467c-95ef-ce695296e5f5" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_3e2170dc-a1f3-4e2f-98bc-ebe11b427df6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesReturnsAndAllowancesMember_6845e01c-417b-442f-94d5-385f7a2ed61e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesReturnsAndAllowancesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_3e2170dc-a1f3-4e2f-98bc-ebe11b427df6" xlink:to="loc_us-gaap_SalesReturnsAndAllowancesMember_6845e01c-417b-442f-94d5-385f7a2ed61e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d7692699-35ff-4d16-9dec-c17809f129cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_58ce1531-86a2-4aad-969b-037f909b832d" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d7692699-35ff-4d16-9dec-c17809f129cc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_d7692699-35ff-4d16-9dec-c17809f129cc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d7692699-35ff-4d16-9dec-c17809f129cc" xlink:to="loc_us-gaap_LossContingencyNatureDomain_d7692699-35ff-4d16-9dec-c17809f129cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_421d29f1-3936-46a4-836a-1c585e4c770b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d7692699-35ff-4d16-9dec-c17809f129cc" xlink:to="loc_us-gaap_LossContingencyNatureDomain_421d29f1-3936-46a4-836a-1c585e4c770b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DamagesFromProductDefectsMember_256119b6-2e43-4145-9b72-7933b302e484" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DamagesFromProductDefectsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_421d29f1-3936-46a4-836a-1c585e4c770b" xlink:to="loc_us-gaap_DamagesFromProductDefectsMember_256119b6-2e43-4145-9b72-7933b302e484" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_AccruedReturnReserveLiabilityCurrent_1a5d11c0-b142-4504-98ac-05dbfdd926f8" xlink:href="pton-20240630.xsd#pton_AccruedReturnReserveLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_pton_AccruedReturnReserveLiabilityCurrent_1a5d11c0-b142-4504-98ac-05dbfdd926f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_8b9e8838-9015-428d-a8e3-9a766ab84347" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_8b9e8838-9015-428d-a8e3-9a766ab84347" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_3ab381ef-0ad6-4e53-a9d9-08dd0fecbaa2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_CostOfRevenue_3ab381ef-0ad6-4e53-a9d9-08dd0fecbaa2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_00bf58b3-49a1-448e-8973-a22a8a83b60b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_00bf58b3-49a1-448e-8973-a22a8a83b60b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_2bc0e1d1-252a-45f8-8f23-ec750a6f2886" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_PurchaseObligation_2bc0e1d1-252a-45f8-8f23-ec750a6f2886" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_98d0ea1c-90e3-47f4-868e-14eee5051d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_98d0ea1c-90e3-47f4-868e-14eee5051d1c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_d7e34144-a6f4-4c3e-bed2-7108eaf3a4ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_d7e34144-a6f4-4c3e-bed2-7108eaf3a4ce" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty_53e34ce4-6029-4eaf-b8a1-c47dd4914c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationSettlementAmountAwardedFromOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty_53e34ce4-6029-4eaf-b8a1-c47dd4914c4a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_0ae0bc41-1415-43db-b75b-dee10d9aa9ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_7581077d-d862-4ff0-93ed-d98f9dcde920" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_0ae0bc41-1415-43db-b75b-dee10d9aa9ef" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/StockholdersEquityDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#StockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/StockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_2066760f-ab96-4b3e-b32e-e5dcf00fbafd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_250fca21-02a6-44d2-ac43-cda5f718a100" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_2066760f-ab96-4b3e-b32e-e5dcf00fbafd" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_250fca21-02a6-44d2-ac43-cda5f718a100" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_7522aa0d-1398-4661-91fc-e96eb6df023a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_250fca21-02a6-44d2-ac43-cda5f718a100" xlink:to="loc_us-gaap_StatementClassOfStockAxis_7522aa0d-1398-4661-91fc-e96eb6df023a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7522aa0d-1398-4661-91fc-e96eb6df023a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7522aa0d-1398-4661-91fc-e96eb6df023a" xlink:to="loc_us-gaap_ClassOfStockDomain_7522aa0d-1398-4661-91fc-e96eb6df023a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e6caf9e6-3dbf-4078-9823-6e4c16a7c72d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7522aa0d-1398-4661-91fc-e96eb6df023a" xlink:to="loc_us-gaap_ClassOfStockDomain_e6caf9e6-3dbf-4078-9823-6e4c16a7c72d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_05ed3ab6-af1b-4f39-984e-a1eefb39cc78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e6caf9e6-3dbf-4078-9823-6e4c16a7c72d" xlink:to="loc_us-gaap_CommonClassAMember_05ed3ab6-af1b-4f39-984e-a1eefb39cc78" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_80211452-ad22-4c3e-9341-62de298abb58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_250fca21-02a6-44d2-ac43-cda5f718a100" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_80211452-ad22-4c3e-9341-62de298abb58" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_80211452-ad22-4c3e-9341-62de298abb58_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_80211452-ad22-4c3e-9341-62de298abb58" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_80211452-ad22-4c3e-9341-62de298abb58_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f5aaa032-c43d-40e5-8a1f-32fed90b3370" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_80211452-ad22-4c3e-9341-62de298abb58" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f5aaa032-c43d-40e5-8a1f-32fed90b3370" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OverAllotmentOptionMember_50cb5cf9-10f1-4376-81ff-8ea60a5ddf41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OverAllotmentOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_f5aaa032-c43d-40e5-8a1f-32fed90b3370" xlink:to="loc_us-gaap_OverAllotmentOptionMember_50cb5cf9-10f1-4376-81ff-8ea60a5ddf41" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_30e2c5fb-38ce-4a28-9e98-eeadfd21e7b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_2066760f-ab96-4b3e-b32e-e5dcf00fbafd" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_30e2c5fb-38ce-4a28-9e98-eeadfd21e7b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_a279c917-9c90-4dab-9d47-a22ff7caa7f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_2066760f-ab96-4b3e-b32e-e5dcf00fbafd" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_a279c917-9c90-4dab-9d47-a22ff7caa7f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_1fdf263e-3e5f-4a56-b4fd-9239aa426f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_2066760f-ab96-4b3e-b32e-e5dcf00fbafd" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_1fdf263e-3e5f-4a56-b4fd-9239aa426f8c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/EquityBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#EquityBasedCompensationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/EquityBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_17817850-23ed-48a5-a438-23567220fe18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:to="loc_us-gaap_PlanNameAxis_17817850-23ed-48a5-a438-23567220fe18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_17817850-23ed-48a5-a438-23567220fe18_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_17817850-23ed-48a5-a438-23567220fe18" xlink:to="loc_us-gaap_PlanNameDomain_17817850-23ed-48a5-a438-23567220fe18_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_dd0252b6-ba61-40d8-a40b-488a2e8200db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_17817850-23ed-48a5-a438-23567220fe18" xlink:to="loc_us-gaap_PlanNameDomain_dd0252b6-ba61-40d8-a40b-488a2e8200db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TwoThousandNineteenEquityIncentivePlanMember_824f1329-f6a1-463a-bc90-2a47a387b07b" xlink:href="pton-20240630.xsd#pton_TwoThousandNineteenEquityIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_dd0252b6-ba61-40d8-a40b-488a2e8200db" xlink:to="loc_pton_TwoThousandNineteenEquityIncentivePlanMember_824f1329-f6a1-463a-bc90-2a47a387b07b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TwoThousandNineteenEmployeeStockPurchasePlanMember_bb10c740-4f98-480c-80d6-32f277ad3e63" xlink:href="pton-20240630.xsd#pton_TwoThousandNineteenEmployeeStockPurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_dd0252b6-ba61-40d8-a40b-488a2e8200db" xlink:to="loc_pton_TwoThousandNineteenEmployeeStockPurchasePlanMember_bb10c740-4f98-480c-80d6-32f277ad3e63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_SeveranceAndChangeInControlPlanMember_ec867d1f-fcbe-4410-bc70-9ad94da4752c" xlink:href="pton-20240630.xsd#pton_SeveranceAndChangeInControlPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_dd0252b6-ba61-40d8-a40b-488a2e8200db" xlink:to="loc_pton_SeveranceAndChangeInControlPlanMember_ec867d1f-fcbe-4410-bc70-9ad94da4752c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_723340ad-b176-4d1c-bb0c-27fb92e1b49e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:to="loc_us-gaap_StatementClassOfStockAxis_723340ad-b176-4d1c-bb0c-27fb92e1b49e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_723340ad-b176-4d1c-bb0c-27fb92e1b49e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_723340ad-b176-4d1c-bb0c-27fb92e1b49e" xlink:to="loc_us-gaap_ClassOfStockDomain_723340ad-b176-4d1c-bb0c-27fb92e1b49e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_2e7513fb-b36d-45dd-b94b-00e2945931f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_723340ad-b176-4d1c-bb0c-27fb92e1b49e" xlink:to="loc_us-gaap_ClassOfStockDomain_2e7513fb-b36d-45dd-b94b-00e2945931f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_72a625d3-0e3b-4efc-91d8-a69b56ad0edb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_2e7513fb-b36d-45dd-b94b-00e2945931f8" xlink:to="loc_us-gaap_CommonClassAMember_72a625d3-0e3b-4efc-91d8-a69b56ad0edb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_8a1e55e2-d351-4594-97b4-471c7e5384a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:to="loc_us-gaap_AwardTypeAxis_8a1e55e2-d351-4594-97b4-471c7e5384a7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8a1e55e2-d351-4594-97b4-471c7e5384a7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_8a1e55e2-d351-4594-97b4-471c7e5384a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8a1e55e2-d351-4594-97b4-471c7e5384a7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8bb0ea1e-2773-4ccf-842d-ea3e84fd2188" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_8a1e55e2-d351-4594-97b4-471c7e5384a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8bb0ea1e-2773-4ccf-842d-ea3e84fd2188" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_e4343584-58ce-434f-afdc-0ebd0decb970" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8bb0ea1e-2773-4ccf-842d-ea3e84fd2188" xlink:to="loc_us-gaap_EmployeeStockMember_e4343584-58ce-434f-afdc-0ebd0decb970" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_5f3390a1-6d4e-4a73-99d0-618842630ffb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8bb0ea1e-2773-4ccf-842d-ea3e84fd2188" xlink:to="loc_us-gaap_EmployeeStockOptionMember_5f3390a1-6d4e-4a73-99d0-618842630ffb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_7a1c59b0-4133-4285-9cd2-c81dddccf9e8" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:to="loc_srt_RangeAxis_7a1c59b0-4133-4285-9cd2-c81dddccf9e8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_7a1c59b0-4133-4285-9cd2-c81dddccf9e8_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_7a1c59b0-4133-4285-9cd2-c81dddccf9e8" xlink:to="loc_srt_RangeMember_7a1c59b0-4133-4285-9cd2-c81dddccf9e8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_112b4088-b5aa-49d6-b2b1-38115b3c02dd" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_7a1c59b0-4133-4285-9cd2-c81dddccf9e8" xlink:to="loc_srt_RangeMember_112b4088-b5aa-49d6-b2b1-38115b3c02dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_64b55e5c-8dce-45ec-bb25-e00cffe08af2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_112b4088-b5aa-49d6-b2b1-38115b3c02dd" xlink:to="loc_srt_MinimumMember_64b55e5c-8dce-45ec-bb25-e00cffe08af2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_366615ff-78af-453c-8961-211052e5270a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_112b4088-b5aa-49d6-b2b1-38115b3c02dd" xlink:to="loc_srt_MaximumMember_366615ff-78af-453c-8961-211052e5270a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_ba65f9c0-0fda-484e-9ac8-a3e50605b32b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_7fb372ba-7ffb-47c8-b4d5-0858252d30f9" xlink:to="loc_srt_TitleOfIndividualAxis_ba65f9c0-0fda-484e-9ac8-a3e50605b32b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ba65f9c0-0fda-484e-9ac8-a3e50605b32b_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_ba65f9c0-0fda-484e-9ac8-a3e50605b32b" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ba65f9c0-0fda-484e-9ac8-a3e50605b32b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_45b1876a-ac72-4e02-a85e-c1d6aabbc499" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_ba65f9c0-0fda-484e-9ac8-a3e50605b32b" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_45b1876a-ac72-4e02-a85e-c1d6aabbc499" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_8bc8d69a-72d5-456c-b0d7-892c4e0a8ac4" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_45b1876a-ac72-4e02-a85e-c1d6aabbc499" xlink:to="loc_srt_ChiefExecutiveOfficerMember_8bc8d69a-72d5-456c-b0d7-892c4e0a8ac4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_Mr.McCarthyMember_5d883e72-13b4-4488-8596-959fe4093d7b" xlink:href="pton-20240630.xsd#pton_Mr.McCarthyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_45b1876a-ac72-4e02-a85e-c1d6aabbc499" xlink:to="loc_pton_Mr.McCarthyMember_5d883e72-13b4-4488-8596-959fe4093d7b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_1d89102c-ccbb-4a22-9c27-38d79df5a924" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_1d89102c-ccbb-4a22-9c27-38d79df5a924" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_9c4bb995-87cf-4c40-90ed-b22e21e0b99e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_9c4bb995-87cf-4c40-90ed-b22e21e0b99e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum_957ddcfa-765e-406a-8586-cde1f813cf5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum_957ddcfa-765e-406a-8586-cde1f813cf5f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_CommonStockIncreaseDecreaseInCapitalSharesReservedForFutureIssuance_2888d586-a989-44f8-bd74-f9e4125a2f22" xlink:href="pton-20240630.xsd#pton_CommonStockIncreaseDecreaseInCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_CommonStockIncreaseDecreaseInCapitalSharesReservedForFutureIssuance_2888d586-a989-44f8-bd74-f9e4125a2f22" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_8a55a6af-42f6-4e60-a2fb-83484ee744f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_8a55a6af-42f6-4e60-a2fb-83484ee744f8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_f6295053-e3fc-4f59-97ea-b4d2dd8045bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_f6295053-e3fc-4f59-97ea-b4d2dd8045bc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_637411c9-9368-448b-abbc-057514b57f18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_637411c9-9368-448b-abbc-057514b57f18" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_cde99a2b-bd68-49be-82f6-49fd749c7756" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_cde99a2b-bd68-49be-82f6-49fd749c7756" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_6f74dd92-da6a-4eac-b757-775803b6ec73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_6f74dd92-da6a-4eac-b757-775803b6ec73" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_ff65c407-95c3-409b-bea3-f9cb4f3f3d96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_ff65c407-95c3-409b-bea3-f9cb4f3f3d96" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_5db110d6-9c11-469a-8dfa-699d9eb85f60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_5db110d6-9c11-469a-8dfa-699d9eb85f60" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2c3b290a-4dca-4b96-b664-e9214aff5b55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2c3b290a-4dca-4b96-b664-e9214aff5b55" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods_5c12ca3a-e1c3-4154-bb2b-845076fa0f28" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods_5c12ca3a-e1c3-4154-bb2b-845076fa0f28" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod_76336f08-beef-416a-9fd2-bf1256cc7f3f" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod_76336f08-beef-416a-9fd2-bf1256cc7f3f" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfOfferingPeriod_85049aa3-590d-4d24-a918-6fe150e79fd3" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfOfferingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfOfferingPeriod_85049aa3-590d-4d24-a918-6fe150e79fd3" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfPurchasePeriod_6a77106e-3acb-4136-92dc-9c96812dca74" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfPurchasePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementOfPurchasePeriod_6a77106e-3acb-4136-92dc-9c96812dca74" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_7aebcc68-7d1e-41f5-b773-4a2c9b5d8249" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_7aebcc68-7d1e-41f5-b773-4a2c9b5d8249" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_d2e354a2-dd41-4f50-b4a1-323d4a101354" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_d2e354a2-dd41-4f50-b4a1-323d4a101354" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_dbb4def0-8b64-4571-bc0f-56ef980e032a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_dbb4def0-8b64-4571-bc0f-56ef980e032a" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_8a72fb1e-c52e-4409-949e-6d12b8270284" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_8a72fb1e-c52e-4409-949e-6d12b8270284" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodWeightedAveragePricePerShare_ec61576e-7002-4321-ab67-6c1c1629467a" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodWeightedAveragePricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodWeightedAveragePricePerShare_ec61576e-7002-4321-ab67-6c1c1629467a" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_67858d0f-90f8-441d-b86e-016c9b54fd2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_67858d0f-90f8-441d-b86e-016c9b54fd2a" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_63078b4f-81e8-44c6-9532-cfe0bb0c4544" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_63078b4f-81e8-44c6-9532-cfe0bb0c4544" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_NumberOfEmployeesEligibleUnderPlanTerminatedTheirEmployment_def8cb6d-7857-41ff-a522-d58786a72028" xlink:href="pton-20240630.xsd#pton_NumberOfEmployeesEligibleUnderPlanTerminatedTheirEmployment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_NumberOfEmployeesEligibleUnderPlanTerminatedTheirEmployment_def8cb6d-7857-41ff-a522-d58786a72028" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_PostTerminationPeriodExerciseOfOutstandingStockOptionsExtendedTerm_4787c7c7-721d-442f-a1ee-ff656307b472" xlink:href="pton-20240630.xsd#pton_PostTerminationPeriodExerciseOfOutstandingStockOptionsExtendedTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_PostTerminationPeriodExerciseOfOutstandingStockOptionsExtendedTerm_4787c7c7-721d-442f-a1ee-ff656307b472" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_17efea2e-58a4-46df-8f6a-9c8cca3d8906" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_17efea2e-58a4-46df-8f6a-9c8cca3d8906" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue_f11a8a63-46be-447f-abce-181098fb3dd3" xlink:href="pton-20240630.xsd#pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_pton_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue_f11a8a63-46be-447f-abce-181098fb3dd3" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_3fc5eeb6-c2ca-42f7-98db-aeeb9d9cd6bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b0906da9-f9bd-469b-a2a3-8248cb0afa80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_3fc5eeb6-c2ca-42f7-98db-aeeb9d9cd6bb" xlink:type="arc" order="27"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofFairValueAssumptionsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#EquityBasedCompensationScheduleofFairValueAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofFairValueAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3e3f5245-80a6-41e5-b1f0-41f8776c4682" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3e3f5245-80a6-41e5-b1f0-41f8776c4682" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_e6911623-9fe6-48be-bced-1b5bcbc5fbaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3e3f5245-80a6-41e5-b1f0-41f8776c4682" xlink:to="loc_us-gaap_AwardTypeAxis_e6911623-9fe6-48be-bced-1b5bcbc5fbaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e6911623-9fe6-48be-bced-1b5bcbc5fbaa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_e6911623-9fe6-48be-bced-1b5bcbc5fbaa" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e6911623-9fe6-48be-bced-1b5bcbc5fbaa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8d794968-88ac-4174-af9b-6289db559d88" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_e6911623-9fe6-48be-bced-1b5bcbc5fbaa" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8d794968-88ac-4174-af9b-6289db559d88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_d2303767-312d-4d66-8d39-7f1eec975fb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8d794968-88ac-4174-af9b-6289db559d88" xlink:to="loc_us-gaap_EmployeeStockOptionMember_d2303767-312d-4d66-8d39-7f1eec975fb2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_40f33931-902d-4488-b650-c5a1844c43d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8d794968-88ac-4174-af9b-6289db559d88" xlink:to="loc_us-gaap_EmployeeStockMember_40f33931-902d-4488-b650-c5a1844c43d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_a1ed75f3-78d7-499c-b516-d042f6583170" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_a1ed75f3-78d7-499c-b516-d042f6583170" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1cb80bb8-17c3-47f8-baad-ab22c6024edd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1cb80bb8-17c3-47f8-baad-ab22c6024edd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_c7db7682-3b0a-40bf-94dd-06d9775dc749" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_c7db7682-3b0a-40bf-94dd-06d9775dc749" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_7716280c-fbe3-4b8f-bf95-be7b457c6d69" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b4b35419-b2b8-4e7d-98f1-254de2d39bd2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_7716280c-fbe3-4b8f-bf95-be7b457c6d69" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofRestrictedStockandRestrictedStockUnitsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#EquityBasedCompensationScheduleofRestrictedStockandRestrictedStockUnitsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofRestrictedStockandRestrictedStockUnitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_57b60fba-2216-42bf-9752-712f8aab8909" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_de54d256-bf3f-43a9-9db3-a6ad0d9e5c18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_57b60fba-2216-42bf-9752-712f8aab8909" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_de54d256-bf3f-43a9-9db3-a6ad0d9e5c18" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_e2064d56-f56f-47b0-90e1-d6876d124826" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_de54d256-bf3f-43a9-9db3-a6ad0d9e5c18" xlink:to="loc_us-gaap_AwardTypeAxis_e2064d56-f56f-47b0-90e1-d6876d124826" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e2064d56-f56f-47b0-90e1-d6876d124826_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_e2064d56-f56f-47b0-90e1-d6876d124826" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e2064d56-f56f-47b0-90e1-d6876d124826_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c02febe1-3511-42d5-997f-5b1875b820d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_e2064d56-f56f-47b0-90e1-d6876d124826" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c02febe1-3511-42d5-997f-5b1875b820d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_6e53a2b4-5b0a-4c0e-95ee-a043c27a7a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c02febe1-3511-42d5-997f-5b1875b820d7" xlink:to="loc_us-gaap_RestrictedStockMember_6e53a2b4-5b0a-4c0e-95ee-a043c27a7a0e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_57b60fba-2216-42bf-9752-712f8aab8909" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_89172551-c131-4bf9-8f23-bf7e38295a3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_89172551-c131-4bf9-8f23-bf7e38295a3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f27e19fa-84ec-49a2-b5b6-b44fde463c03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f27e19fa-84ec-49a2-b5b6-b44fde463c03" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_bbddbbbc-52ae-4264-b880-b6412ceda851" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_bbddbbbc-52ae-4264-b880-b6412ceda851" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ea9cb15f-1afd-4ccf-9b8b-d8550d024de7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_0f8a6d5e-0000-46b9-9691-d565281a6509" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ea9cb15f-1afd-4ccf-9b8b-d8550d024de7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_963c5881-3721-4e17-88c3-a175f5e08c39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_57b60fba-2216-42bf-9752-712f8aab8909" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_614ae00e-502b-4825-8d36-00609d18958a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_614ae00e-502b-4825-8d36-00609d18958a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_6d2ee3a6-ab62-4e1e-81a3-f1d47ac12482" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_6d2ee3a6-ab62-4e1e-81a3-f1d47ac12482" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_76da2587-dce1-44b2-baf0-7c29fe3a277c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_76da2587-dce1-44b2-baf0-7c29fe3a277c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_1301dcf9-cec6-46d0-b76a-ee8f56e1afc9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_c02b9ed7-22e5-425c-b11c-3697ba3ddabe" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_1301dcf9-cec6-46d0-b76a-ee8f56e1afc9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_918fe7fd-ab35-44e4-930c-3a0d3df71914" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofStockbasedCompensationExpenseDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#EquityBasedCompensationScheduleofStockbasedCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/EquityBasedCompensationScheduleofStockbasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_48eb85ac-ee1b-4e64-9769-77cd2faf82ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_a7836278-767f-4bdc-bcc7-6065b0a153f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_48eb85ac-ee1b-4e64-9769-77cd2faf82ba" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_a7836278-767f-4bdc-bcc7-6065b0a153f5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_e8523289-26b3-463c-9252-c46992e406f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_a7836278-767f-4bdc-bcc7-6065b0a153f5" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_e8523289-26b3-463c-9252-c46992e406f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_e8523289-26b3-463c-9252-c46992e406f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_e8523289-26b3-463c-9252-c46992e406f8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_e8523289-26b3-463c-9252-c46992e406f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_e8523289-26b3-463c-9252-c46992e406f8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_e8d8fe42-f089-4aab-8d04-c19c43018fd2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:to="loc_us-gaap_CostOfSalesMember_e8d8fe42-f089-4aab-8d04-c19c43018fd2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_90362674-9d7d-45b1-9506-3bea8420445d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_90362674-9d7d-45b1-9506-3bea8420445d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_afa783e8-e5c8-4540-865b-2b4403e29e22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_afa783e8-e5c8-4540-865b-2b4403e29e22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_51e22977-94f4-4e8c-aa5d-9622e42abb24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_51e22977-94f4-4e8c-aa5d-9622e42abb24" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesMember_42a59cc3-edf3-45eb-8606-97a4efdfec8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringChargesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2d9bd620-df0d-4cbb-8ced-9d263b59d5b5" xlink:to="loc_us-gaap_RestructuringChargesMember_42a59cc3-edf3-45eb-8606-97a4efdfec8a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_a7836278-767f-4bdc-bcc7-6065b0a153f5" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730" xlink:to="loc_us-gaap_SegmentDomain_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_828b38df-4f1b-4c91-975a-4a6a51370490" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_03ab2f1c-87ee-4b29-bb19-0c51cb4b1730" xlink:to="loc_us-gaap_SegmentDomain_828b38df-4f1b-4c91-975a-4a6a51370490" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ConnectedFitnessProductsSegmentMember_35a88b80-2a24-4bde-95df-af685d13fa1b" xlink:href="pton-20240630.xsd#pton_ConnectedFitnessProductsSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_828b38df-4f1b-4c91-975a-4a6a51370490" xlink:to="loc_pton_ConnectedFitnessProductsSegmentMember_35a88b80-2a24-4bde-95df-af685d13fa1b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_SubscriptionSegmentMember_f0e4af1c-2927-4a67-a9a3-71ce6d6c760a" xlink:href="pton-20240630.xsd#pton_SubscriptionSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_828b38df-4f1b-4c91-975a-4a6a51370490" xlink:to="loc_pton_SubscriptionSegmentMember_f0e4af1c-2927-4a67-a9a3-71ce6d6c760a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_cd827ed8-9c7f-493d-98aa-a9ea78d8b108" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_48eb85ac-ee1b-4e64-9769-77cd2faf82ba" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_cd827ed8-9c7f-493d-98aa-a9ea78d8b108" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/ConcentrationofCreditRiskandMajorCustomersandVendorsDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#ConcentrationofCreditRiskandMajorCustomersandVendorsDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/ConcentrationofCreditRiskandMajorCustomersandVendorsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_9b28155a-976e-447e-8b0f-325eb21076d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_7cf58346-beb1-4cc4-9e3a-0a4750a04aad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_9b28155a-976e-447e-8b0f-325eb21076d7" xlink:to="loc_us-gaap_ConcentrationRiskTable_7cf58346-beb1-4cc4-9e3a-0a4750a04aad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_faee6ecd-f3ba-4d5d-9aea-b2186222a369" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_7cf58346-beb1-4cc4-9e3a-0a4750a04aad" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_faee6ecd-f3ba-4d5d-9aea-b2186222a369" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_faee6ecd-f3ba-4d5d-9aea-b2186222a369_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_faee6ecd-f3ba-4d5d-9aea-b2186222a369" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_faee6ecd-f3ba-4d5d-9aea-b2186222a369_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f432841d-ad35-4e49-8d23-37257f4a504b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_faee6ecd-f3ba-4d5d-9aea-b2186222a369" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f432841d-ad35-4e49-8d23-37257f4a504b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierConcentrationRiskMember_9c5fb2b0-4106-47bc-a4fd-b8286e1b2de1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplierConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_f432841d-ad35-4e49-8d23-37257f4a504b" xlink:to="loc_us-gaap_SupplierConcentrationRiskMember_9c5fb2b0-4106-47bc-a4fd-b8286e1b2de1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ba332d53-25c0-4e72-b37c-a73bff234c58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_7cf58346-beb1-4cc4-9e3a-0a4750a04aad" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ba332d53-25c0-4e72-b37c-a73bff234c58" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_ba332d53-25c0-4e72-b37c-a73bff234c58_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ba332d53-25c0-4e72-b37c-a73bff234c58" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_ba332d53-25c0-4e72-b37c-a73bff234c58_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e82505ea-1b35-4c6a-8e0d-b35ea31c16ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_ba332d53-25c0-4e72-b37c-a73bff234c58" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e82505ea-1b35-4c6a-8e0d-b35ea31c16ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_InventoryMember_2155e004-ac7c-4de8-8b19-708ab3e98fad" xlink:href="pton-20240630.xsd#pton_InventoryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e82505ea-1b35-4c6a-8e0d-b35ea31c16ef" xlink:to="loc_pton_InventoryMember_2155e004-ac7c-4de8-8b19-708ab3e98fad" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_9efbb02a-8824-443d-af61-3cf2b0a4df5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_7cf58346-beb1-4cc4-9e3a-0a4750a04aad" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_9efbb02a-8824-443d-af61-3cf2b0a4df5a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_9efbb02a-8824-443d-af61-3cf2b0a4df5a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_9efbb02a-8824-443d-af61-3cf2b0a4df5a" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_9efbb02a-8824-443d-af61-3cf2b0a4df5a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_421b2309-644f-4928-be99-40d1f4e5edb4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_9efbb02a-8824-443d-af61-3cf2b0a4df5a" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_421b2309-644f-4928-be99-40d1f4e5edb4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TopTwoVendorsMember_b0ab20a1-0782-4866-82f1-1f807239eecd" xlink:href="pton-20240630.xsd#pton_TopTwoVendorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_421b2309-644f-4928-be99-40d1f4e5edb4" xlink:to="loc_pton_TopTwoVendorsMember_b0ab20a1-0782-4866-82f1-1f807239eecd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TopThreeVendorsMember_823fb940-c0a6-429f-beda-3416dc5d0e49" xlink:href="pton-20240630.xsd#pton_TopThreeVendorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_421b2309-644f-4928-be99-40d1f4e5edb4" xlink:to="loc_pton_TopThreeVendorsMember_823fb940-c0a6-429f-beda-3416dc5d0e49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_d99815bc-05c7-45ee-a946-11189ea05f9b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_9b28155a-976e-447e-8b0f-325eb21076d7" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_d99815bc-05c7-45ee-a946-11189ea05f9b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#IncomeTaxesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwardsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_62b3c3f2-5aaf-4be9-b275-15dc98e2b66d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwardsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_62b3c3f2-5aaf-4be9-b275-15dc98e2b66d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_e46811a7-0fd3-49c8-8bb9-4e880597b8dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_62b3c3f2-5aaf-4be9-b275-15dc98e2b66d" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_e46811a7-0fd3-49c8-8bb9-4e880597b8dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_e46811a7-0fd3-49c8-8bb9-4e880597b8dc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_e46811a7-0fd3-49c8-8bb9-4e880597b8dc" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_e46811a7-0fd3-49c8-8bb9-4e880597b8dc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_3a729fa4-576f-4f96-9578-a893f8d131b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_e46811a7-0fd3-49c8-8bb9-4e880597b8dc" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_3a729fa4-576f-4f96-9578-a893f8d131b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_9f894503-2cad-44fb-add6-042dcb56b848" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3a729fa4-576f-4f96-9578-a893f8d131b7" xlink:to="loc_us-gaap_DomesticCountryMember_9f894503-2cad-44fb-add6-042dcb56b848" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_bd0df88a-f76e-45ef-8442-c49b9c48682f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3a729fa4-576f-4f96-9578-a893f8d131b7" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_bd0df88a-f76e-45ef-8442-c49b9c48682f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCountryMember_c441bc18-c167-4d78-9945-baf3892906d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3a729fa4-576f-4f96-9578-a893f8d131b7" xlink:to="loc_us-gaap_ForeignCountryMember_c441bc18-c167-4d78-9945-baf3892906d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TaxExpirationPeriodAxis_d1193c6d-2898-4ca5-826b-5472a8afe694" xlink:href="pton-20240630.xsd#pton_TaxExpirationPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_62b3c3f2-5aaf-4be9-b275-15dc98e2b66d" xlink:to="loc_pton_TaxExpirationPeriodAxis_d1193c6d-2898-4ca5-826b-5472a8afe694" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TaxExpirationPeriodDomain_d1193c6d-2898-4ca5-826b-5472a8afe694_default" xlink:href="pton-20240630.xsd#pton_TaxExpirationPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_pton_TaxExpirationPeriodAxis_d1193c6d-2898-4ca5-826b-5472a8afe694" xlink:to="loc_pton_TaxExpirationPeriodDomain_d1193c6d-2898-4ca5-826b-5472a8afe694_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TaxExpirationPeriodDomain_cc8c653a-566f-4039-994c-341e6ed3b8a2" xlink:href="pton-20240630.xsd#pton_TaxExpirationPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_pton_TaxExpirationPeriodAxis_d1193c6d-2898-4ca5-826b-5472a8afe694" xlink:to="loc_pton_TaxExpirationPeriodDomain_cc8c653a-566f-4039-994c-341e6ed3b8a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_TaxYear2034Member_726b6548-e661-49f1-bf5d-cbea4ea7aeeb" xlink:href="pton-20240630.xsd#pton_TaxYear2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pton_TaxExpirationPeriodDomain_cc8c653a-566f-4039-994c-341e6ed3b8a2" xlink:to="loc_pton_TaxYear2034Member_726b6548-e661-49f1-bf5d-cbea4ea7aeeb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_d8d6f502-fa80-4318-845f-27892041eb3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:to="loc_us-gaap_OperatingLossCarryforwards_d8d6f502-fa80-4318-845f-27892041eb3f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_8504a7c6-2d5c-4b9f-b6e0-a9887fed4a18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_8504a7c6-2d5c-4b9f-b6e0-a9887fed4a18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_c291a2fc-0b19-4773-a111-d85d905a311c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_c291a2fc-0b19-4773-a111-d85d905a311c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_edb30ba8-e25b-4675-9e7e-f8ecd2cae8d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c36d5520-5be8-47c3-bc64-0f87b0407a48" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_edb30ba8-e25b-4675-9e7e-f8ecd2cae8d7" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/NetLossPerShareScheduleofPotentiallyDilutedSecuritiesNotIncludedinCalculationofDilutedSharesOutstandingDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#NetLossPerShareScheduleofPotentiallyDilutedSecuritiesNotIncludedinCalculationofDilutedSharesOutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/NetLossPerShareScheduleofPotentiallyDilutedSecuritiesNotIncludedinCalculationofDilutedSharesOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ad9518a5-4e76-4922-a599-44f8c08b7003" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_f12645b9-e78b-4cc6-a528-601eb8012cc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ad9518a5-4e76-4922-a599-44f8c08b7003" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_f12645b9-e78b-4cc6-a528-601eb8012cc0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8d747955-3f95-48fd-ab26-e7334f00a68c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_f12645b9-e78b-4cc6-a528-601eb8012cc0" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8d747955-3f95-48fd-ab26-e7334f00a68c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8d747955-3f95-48fd-ab26-e7334f00a68c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8d747955-3f95-48fd-ab26-e7334f00a68c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8d747955-3f95-48fd-ab26-e7334f00a68c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8272595b-5b6c-48e1-b7ed-7488563e4ccf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8d747955-3f95-48fd-ab26-e7334f00a68c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8272595b-5b6c-48e1-b7ed-7488563e4ccf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_6504b105-b096-49aa-a1a1-03b397f2856d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8272595b-5b6c-48e1-b7ed-7488563e4ccf" xlink:to="loc_us-gaap_EmployeeStockOptionMember_6504b105-b096-49aa-a1a1-03b397f2856d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_ca081949-08af-4099-8346-b9014a1dbc8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8272595b-5b6c-48e1-b7ed-7488563e4ccf" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_ca081949-08af-4099-8346-b9014a1dbc8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_78210d1f-1924-4fae-8eb5-c9ba709f9774" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8272595b-5b6c-48e1-b7ed-7488563e4ccf" xlink:to="loc_us-gaap_EmployeeStockMember_78210d1f-1924-4fae-8eb5-c9ba709f9774" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c5fd4b49-8453-463c-95a8-da38f6a42601" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ad9518a5-4e76-4922-a599-44f8c08b7003" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c5fd4b49-8453-463c-95a8-da38f6a42601" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/NetLossPerShareNarrativeDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#NetLossPerShareNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/NetLossPerShareNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_16acb297-3db0-4bf8-b0e9-6491f5d212e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_0bd6367d-fba2-4a1a-846d-d652a39c9cc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_16acb297-3db0-4bf8-b0e9-6491f5d212e7" xlink:to="loc_us-gaap_DebtInstrumentTable_0bd6367d-fba2-4a1a-846d-d652a39c9cc0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0bd6367d-fba2-4a1a-846d-d652a39c9cc0" xlink:to="loc_us-gaap_DebtInstrumentAxis_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c2533a05-4fcc-4f87-99e1-068f135f3e33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_f0b8f3ee-3c82-4e4c-9846-25ba9bc8947e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c2533a05-4fcc-4f87-99e1-068f135f3e33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_41423036-8966-44e3-bacd-fe1d7f66e681" xlink:href="pton-20240630.xsd#pton_A0ConvertibleSeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c2533a05-4fcc-4f87-99e1-068f135f3e33" xlink:to="loc_pton_A0ConvertibleSeniorNotesDueFebruary152026Member_41423036-8966-44e3-bacd-fe1d7f66e681" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_8f31ea87-5cca-424e-93ea-5dfb86849ba7" xlink:href="pton-20240630.xsd#pton_A5.50ConvertibleSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c2533a05-4fcc-4f87-99e1-068f135f3e33" xlink:to="loc_pton_A5.50ConvertibleSeniorNotesDue2029Member_8f31ea87-5cca-424e-93ea-5dfb86849ba7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_ec05349f-fc0f-4a6b-a986-a3e34e80e341" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0bd6367d-fba2-4a1a-846d-d652a39c9cc0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_ec05349f-fc0f-4a6b-a986-a3e34e80e341" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ec05349f-fc0f-4a6b-a986-a3e34e80e341_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ec05349f-fc0f-4a6b-a986-a3e34e80e341" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ec05349f-fc0f-4a6b-a986-a3e34e80e341_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8fef32f6-04e6-48d9-a76d-fdb2cd77c25f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ec05349f-fc0f-4a6b-a986-a3e34e80e341" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8fef32f6-04e6-48d9-a76d-fdb2cd77c25f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_f31e3151-24e6-48b5-b75c-b2c97a99a2aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8fef32f6-04e6-48d9-a76d-fdb2cd77c25f" xlink:to="loc_us-gaap_ConvertibleDebtMember_f31e3151-24e6-48b5-b75c-b2c97a99a2aa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_f507974c-3147-41dd-9ab7-313b53ca7fc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_16acb297-3db0-4bf8-b0e9-6491f5d212e7" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_f507974c-3147-41dd-9ab7-313b53ca7fc3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.onepeloton.com/role/SegmentInformationKeyFinancialPerformanceMeasuresbySegmentDetails" xlink:type="simple" xlink:href="pton-20240630.xsd#SegmentInformationKeyFinancialPerformanceMeasuresbySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.onepeloton.com/role/SegmentInformationKeyFinancialPerformanceMeasuresbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_d2116f4b-c8a0-4e25-85c6-fb52d9ad1e36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a2e970b9-73cd-45ff-8f84-d2f8f0c6f85b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_d2116f4b-c8a0-4e25-85c6-fb52d9ad1e36" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a2e970b9-73cd-45ff-8f84-d2f8f0c6f85b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a2e970b9-73cd-45ff-8f84-d2f8f0c6f85b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9" xlink:to="loc_us-gaap_SegmentDomain_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_23ac6c32-411a-4d52-a44c-93a199007109" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_1c0be1e2-c9ec-4121-b0c9-6d19bedb5ac9" xlink:to="loc_us-gaap_SegmentDomain_23ac6c32-411a-4d52-a44c-93a199007109" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ConnectedFitnessProductsSegmentMember_600d0345-b4dc-4ecc-8b2f-35eea1eae85e" xlink:href="pton-20240630.xsd#pton_ConnectedFitnessProductsSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_23ac6c32-411a-4d52-a44c-93a199007109" xlink:to="loc_pton_ConnectedFitnessProductsSegmentMember_600d0345-b4dc-4ecc-8b2f-35eea1eae85e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_SubscriptionSegmentMember_4c704e8f-5eb7-4540-85f2-4d2bca19a2cd" xlink:href="pton-20240630.xsd#pton_SubscriptionSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_23ac6c32-411a-4d52-a44c-93a199007109" xlink:to="loc_pton_SubscriptionSegmentMember_4c704e8f-5eb7-4540-85f2-4d2bca19a2cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_b5a7f6ea-950c-4601-b0fa-9867f8e3a5e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_d2116f4b-c8a0-4e25-85c6-fb52d9ad1e36" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_b5a7f6ea-950c-4601-b0fa-9867f8e3a5e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_1559542d-1f70-4c20-b448-e9729a9a06e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_d2116f4b-c8a0-4e25-85c6-fb52d9ad1e36" xlink:to="loc_us-gaap_CostOfRevenue_1559542d-1f70-4c20-b448-e9729a9a06e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_6a2ebc5b-5e63-4e6f-a780-9e3234ef66c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_d2116f4b-c8a0-4e25-85c6-fb52d9ad1e36" xlink:to="loc_us-gaap_GrossProfit_6a2ebc5b-5e63-4e6f-a780-9e3234ef66c3" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_EmployeeStockMember" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockMember" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#TradingArrangmentsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllTradingArrangementsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllTradingArrangementsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ElizabethCoddingtonTradingArrangementCommonStockMember_52a291fc-7133-4e11-a8b6-7fc6d35061c3" xlink:href="pton-20240630.xsd#pton_ElizabethCoddingtonTradingArrangementCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllTradingArrangementsMember" xlink:to="loc_pton_ElizabethCoddingtonTradingArrangementCommonStockMember_52a291fc-7133-4e11-a8b6-7fc6d35061c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ElizabethCoddingtonTradingArrangementRestrictedStockUnitsMember_d70623a7-6678-4619-8dac-05f2fb0483b4" xlink:href="pton-20240630.xsd#pton_ElizabethCoddingtonTradingArrangementRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllTradingArrangementsMember" xlink:to="loc_pton_ElizabethCoddingtonTradingArrangementRestrictedStockUnitsMember_d70623a7-6678-4619-8dac-05f2fb0483b4" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#IndividualsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_PamelaThomasGrahamMember_f099ec1f-3e26-4e6c-acdf-1f2239a2e417" xlink:href="pton-20240630.xsd#pton_PamelaThomasGrahamMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_pton_PamelaThomasGrahamMember_f099ec1f-3e26-4e6c-acdf-1f2239a2e417" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pton_ElizabethCoddingtonMember_74f09272-639e-4be4-ba35-59105de42874" xlink:href="pton-20240630.xsd#pton_ElizabethCoddingtonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_pton_ElizabethCoddingtonMember_74f09272-639e-4be4-ba35-59105de42874" xlink:type="arc" order="3"/>
  </link:definitionLink>
</link:linkbase>
