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    <element id="BRUN_PurchasedFixedAssetsIncludedInAccountsPayable" name="PurchasedFixedAssetsIncludedInAccountsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_IssuanceOfClassCUnits" name="IssuanceOfClassCUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredTransactionCostsIncludedInAccountsPayable" name="DeferredTransactionCostsIncludedInAccountsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OfferingCostsIncludedInAccruedOfferingCosts" name="OfferingCostsIncludedInAccruedOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" name="DeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredOfferingCostsPaidThroughIpoPromissoryNoteRelatedParty" name="DeferredOfferingCostsPaidThroughIpoPromissoryNoteRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PrepaidExpensesPaidThroughIpoPromissoryNoteRelatedParty" name="PrepaidExpensesPaidThroughIpoPromissoryNoteRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredUnderwritingFeesPayable" name="DeferredUnderwritingFeesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DisclosureInitialPublicOfferingAbstract" name="DisclosureInitialPublicOfferingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_InitialPublicOfferingTextBlock" name="InitialPublicOfferingTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DisclosurePrivatePlacementAbstract" name="DisclosurePrivatePlacementAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PrivatePlacementsTextBlock" name="PrivatePlacementsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DisclosurePrepaidExpensesAbstract" name="DisclosurePrepaidExpensesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PrepaidExpensesDisclosureTextBlock" name="PrepaidExpensesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DisclosureRevenuesAbstract" name="DisclosureRevenuesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_RevenueDisclosureTextBlock" name="RevenueDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_EmergingGrowthCompanyStatusPolicyTextBlock" name="EmergingGrowthCompanyStatusPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_InvestmentHeldInTrustAccountPolicyTextBlock" name="InvestmentHeldInTrustAccountPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OfferingCostsPolicyTextBlock" name="OfferingCostsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_WarrantInstrumentsPolicyTextBlock" name="WarrantInstrumentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ColocationLeaseCostPolicyTextBlock" name="ColocationLeaseCostPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_AccountingPronouncementsNotYetAdoptedPolicyTextBlock" name="AccountingPronouncementsNotYetAdoptedPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ScheduleOfPrepaidExpensesTableTextBlock" name="ScheduleOfPrepaidExpensesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" name="ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ScheduleOfSupplementalCashFlowsInformationRelatedToLeasesTableTextBlock" name="ScheduleOfSupplementalCashFlowsInformationRelatedToLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" name="OrganizationConsolidationAndPresentationOfFinancialStatementsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="BRUN_DeferredUnderwritingFees" name="DeferredUnderwritingFees" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_TrustAccountBalancePercentage" name="TrustAccountBalancePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_VotingSecuritiesPercentage" name="VotingSecuritiesPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PercentageOfOutstandingVotingSecurities" name="PercentageOfOutstandingVotingSecurities" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_TrustAccountPublicSharesDescription" name="TrustAccountPublicSharesDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OperatingLeaseLiabilityCurrentAndNoncurrent" name="OperatingLeaseLiabilityCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_AccountingPoliciesTable" name="AccountingPoliciesTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="BRUN_OrdinarySharesIssuanceCosts" name="OrdinarySharesIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_BasicAndDilutedNetIncomeTable" name="BasicAndDilutedNetIncomeTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="BRUN_AllocationOfNetIncome" name="AllocationOfNetIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PrivatePlacementAbstract" name="PrivatePlacementAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_PrivatePlacementTable" name="PrivatePlacementTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="BRUN_PrivatePlacementLineItems" name="PrivatePlacementLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_CashUnderwritingDiscount" name="CashUnderwritingDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_CashUnderwritingDiscountPercentage" name="CashUnderwritingDiscountPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredUnderwritingDiscount" name="DeferredUnderwritingDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredUnderwritingDiscountPercentage" name="DeferredUnderwritingDiscountPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_SharesIssuableUponConversionPercentage" name="SharesIssuableUponConversionPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_TotalAuthorized" name="TotalAuthorized" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_StakingDeposit" name="StakingDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_WeightedProbabilityFairValueAmount" name="WeightedProbabilityFairValueAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_FairValueAdjustmentOfWarrantPerUnits" name="FairValueAdjustmentOfWarrantPerUnits" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_StockIssuedDuringPeriodOfEarnoutSharesOne" name="StockIssuedDuringPeriodOfEarnoutSharesOne" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_StockIssuedDuringPeriodOfEarnoutSharesTwo" name="StockIssuedDuringPeriodOfEarnoutSharesTwo" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredFee" name="DeferredFee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_StockholderEquityDescription" name="StockholderEquityDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OperatingLeasePrepaid" name="OperatingLeasePrepaid" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_BlockchainAwardRevenue" name="BlockchainAwardRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_LeaseCosts" name="LeaseCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_OperatingCashFlowsForFinanceLeases" name="OperatingCashFlowsForFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_FinanceLeasePrincipalPayment" name="FinanceLeasePrincipalPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_UpFrontPayments" name="UpFrontPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_LineOfCredits" name="LineOfCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_AmortizationOfPrincipalPercentageRate" name="AmortizationOfPrincipalPercentageRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_EquityInterestPercentage" name="EquityInterestPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDiscountRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDiscountRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_DeferredTaxAssetsCapitalizedStartUpCosts" name="DeferredTaxAssetsCapitalizedStartUpCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_IncomeTaxTable" name="IncomeTaxTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="BRUN_IncomeTaxLineItems" name="IncomeTaxLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="BRUN_FluidstackAgreementMember" name="FluidstackAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
</schema>
