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        <ProgramServicesAmt>203333</ProgramServicesAmt>
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        <FundraisingAmt>45185</FundraisingAmt>
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        <TotalAmt>336720</TotalAmt>
        <ProgramServicesAmt>233114</ProgramServicesAmt>
        <ManagementAndGeneralAmt>51803</ManagementAndGeneralAmt>
        <FundraisingAmt>51803</FundraisingAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>13102</TotalAmt>
        <ProgramServicesAmt>9070</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2016</ManagementAndGeneralAmt>
        <FundraisingAmt>2016</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>40997</TotalAmt>
        <ProgramServicesAmt>28383</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6307</ManagementAndGeneralAmt>
        <FundraisingAmt>6307</FundraisingAmt>
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        <TotalAmt>66320</TotalAmt>
        <ProgramServicesAmt>27634</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24870</ManagementAndGeneralAmt>
        <FundraisingAmt>13816</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
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        <ProgramServicesAmt>16727</ProgramServicesAmt>
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        <FundraisingAmt>8363</FundraisingAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
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        <ProgramServicesAmt>12730</ProgramServicesAmt>
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        <FundraisingAmt>318</FundraisingAmt>
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      <OfficeExpensesGrp>
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        <ProgramServicesAmt>25663</ProgramServicesAmt>
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        <FundraisingAmt>4984</FundraisingAmt>
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      <OccupancyGrp>
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        <ProgramServicesAmt>1259</ProgramServicesAmt>
        <ManagementAndGeneralAmt>755</ManagementAndGeneralAmt>
        <FundraisingAmt>462</FundraisingAmt>
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        <ProgramServicesAmt>5849</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2106</ManagementAndGeneralAmt>
        <FundraisingAmt>585</FundraisingAmt>
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      <DepreciationDepletionGrp>
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        <ManagementAndGeneralAmt>567</ManagementAndGeneralAmt>
        <FundraisingAmt>189</FundraisingAmt>
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        <ManagementAndGeneralAmt>12737</ManagementAndGeneralAmt>
        <FundraisingAmt>7076</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>EQUIPMENT &amp; FACILITY RE</Desc>
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        <ProgramServicesAmt>105367</ProgramServicesAmt>
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        <FundraisingAmt>3512</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>PARTICIPANT AWARDS, FOO</Desc>
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        <ProgramServicesAmt>12108</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>LICENSE &amp; FEES</Desc>
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        <ManagementAndGeneralAmt>711</ManagementAndGeneralAmt>
        <FundraisingAmt>2371</FundraisingAmt>
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        <EOYAmt>6966881</EOYAmt>
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        <EOYAmt>10199370</EOYAmt>
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        <EOYAmt>58685</EOYAmt>
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        <EOYAmt>341237</EOYAmt>
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        <EOYAmt>1501727</EOYAmt>
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        <EOYAmt>9858133</EOYAmt>
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        <EOYAmt>10199370</EOYAmt>
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      <PriorPeriodAdjustmentsAmt>-1061473</PriorPeriodAdjustmentsAmt>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <GiftsGrantsContriRcvd170Grp>
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        <CurrentTaxYearAmt>4191901</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>5905801</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4841427</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5611084</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4191901</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>142888</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>182084</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>149551</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>198168</CurrentTaxYearAmt>
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      <TotalSupportAmt>25633725</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>1894315</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.84520</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.92590</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <DepreciationAmt>59754</DepreciationAmt>
        <BookValueAmt>971</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>971</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>TREK</Event1Nm>
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        <CharitableContriEvent1Amt>991841</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>113060</GrossRevenueEvent1Amt>
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        <Event2Nm>CHRISTOPHER'S SHOOT</Event2Nm>
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        <CharitableContriEvent2Amt>341490</CharitableContriEvent2Amt>
        <OtherDirectExpensesEvent2Amt>50257</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>70</OtherEventsTotalCnt>
        <GrossReceiptsTotalAmt>1446391</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>1333331</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>113060</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>209447</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>209447</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-96387</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CHILDREN'S HOSPITAL OF WISCONSIN INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>8914 WEST CONNELL COURT</AddressLine1Txt>
          <CityNm>MILWAUKEE</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53226</ZIPCd>
        </USAddress>
        <RecipientEIN>390812532</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>282552</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MARSHFIELD CLINIC INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1000 NORTH OAK AVENUE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
        </USAddress>
        <RecipientEIN>390452970</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>1000000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>MIDWEST ATHLETES AGAINST CHILDHOOD CANCER, INC. MAKES A REQUEST AND HAS AN INDEPENDENT REVIEW BOARD EVALUATE IT. ONCE THE EVALUATION IS DONE, THE REVIEW BOARD CREATES A REPORT EVERY TWO YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>REBECCA PINTER</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>227421</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1602</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>229023</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN GOTTER</PersonNm>
        <TitleTxt>MAJOR GIFT OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>188390</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>28512</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>216902</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>COMMITTEES COMPOSED OF MEMBERS OF THE GOVERNING BODY DO NOT HAVE THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>MIDWEST ATHLETES AGAINST CHILDHOOD CANCER ENGAGES A CERTIFIED PUBLIC ACCOUNTING FIRM TO PREPARE ITS FORM 990. AFTER THE RETURN IS PREPARED IN DRAFT FORM, KAREN ARMSTRONG (FINANCIAL OFFICER) REVIEWS THE FILING AND COORDINATES WITH THE PREPARER TO MAKE THE RELEVANT CHANGES. REBECCA PINTER (PRESIDENT AND CEO) REVIEWS THE FINAL FORM 990 PRIOR TO ITS FILING WITH THE INTERNAL REVENUE SERVICE. THE 990 IS PRESENTED TO THE BOARD OF DIRECTORS FOR THEIR REVIEW PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER OF THE BOARD OF DIRECTORS COMPLETES A CONFLICT OF INTEREST QUESTIONNAIRE ANNUALLY TO ENSURE THEIR UNDERSTANDING OF AND COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY. RESPONSES TO THE QUESTIONNAIRES ARE REVIEWED BY THE BOARD OF DIRECTORS. IF A CONFLICT ARISES, THE BOARD MEMBER DOES NOT PARTICIPATE IN THE DISCUSSION OR THE VOTE ON THE TRANSACTION OR ARRANGEMENT INVOLVING THE POSSIBLE CONFLICT OF INTEREST. DURING TAX YEAR 2023 NO CONFLICTS OF INTEREST WERE IDENTIFIED THROUGH COMPLETION OF THE QUESTIONNAIRES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MANAGEMENT COMMITTEE MAKES A RECOMMENDATION TO THE BOARD OF DIRECTORS FOR THE COMPENSATION OF THE PRESIDENT AND CEO. EVERY YEAR THE MANAGEMENT COMMITTEE MAKES AN ADJUSTMENT TO THE COMPENSATION BASED ON THE BOARD'S RANGE AND THE ECONOMIC ENVIRONMENT. THE BOARD OF DIRECTORS VOTES ON A POSSIBLE RANGE FOR THE COMPENSATION OF OFFICERS OF THE ORGANIZATION. A COMPENSATION SURVEY HAS BEEN UTILIZED BY THE MANAGEMENT COMMITTEE IN THE PAST TO INFORM THE COMMITTEE'S DECISION-MAKING, BUT A SURVEY HAS NOT BEEN USED ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>MIDWEST ATHLETES AGAINST CHILDHOOD CANCER MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE GENERAL PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>