3.25.4 html 222 417 1 false 91 0 false 5 false false R1.htm 00000001 - Document - Cover Sheet http://boostrun.com/role/Cover Cover Cover 1 false false R2.htm 00000002 - Statement - Consolidated Balance Sheet Sheet http://boostrun.com/role/BalanceSheet Consolidated Balance Sheet Statements 2 false false R3.htm 00000003 - Statement - Consolidated Balance Sheet (Parenthetical) Sheet http://boostrun.com/role/BalanceSheetParenthetical Consolidated Balance Sheet (Parenthetical) Statements 3 false false R4.htm 00000004 - Statement - Consolidated Statement of Operations Sheet http://boostrun.com/role/StatementOfOperations Consolidated Statement of Operations Statements 4 false false R5.htm 00000005 - Statement - Consolidated Statement of Stockholder's Deficit Sheet http://boostrun.com/role/StatementOfStockholdersDeficit Consolidated Statement of Stockholder's Deficit Statements 5 false false R6.htm 00000006 - Statement - Consolidated Statement of Stockholder's Deficit (Parenthetical) Sheet http://boostrun.com/role/StatementOfStockholdersDeficitParenthetical Consolidated Statement of Stockholder's Deficit (Parenthetical) Statements 6 false false R7.htm 00000007 - Statement - Consolidated Statement of Cash Flows Sheet http://boostrun.com/role/StatementOfCashFlows Consolidated Statement of Cash Flows Statements 7 false false R8.htm 999008 - Disclosure - Description of Business and Basis of Presentation Sheet http://boostrun.com/role/DescriptionOfBusinessAndBasisOfPresentation Description of Business and Basis of Presentation Notes 8 false false R9.htm 999009 - Disclosure - Summary of Significant Accounting Policies Sheet http://boostrun.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 999010 - Disclosure - Initial Public Offering Sheet http://boostrun.com/role/InitialPublicOffering Initial Public Offering Notes 10 false false R11.htm 999011 - Disclosure - Private Placement Sheet http://boostrun.com/role/PrivatePlacement Private Placement Notes 11 false false R12.htm 999012 - Disclosure - Related Party Transactions Sheet http://boostrun.com/role/RelatedPartyTransactions Related Party Transactions Notes 12 false false R13.htm 999013 - Disclosure - Commitments and Contingencies Sheet http://boostrun.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 13 false false R14.htm 999014 - Disclosure - Stockholder???s Deficit Sheet http://boostrun.com/role/StockholdersDeficit Stockholder???s Deficit Notes 14 false false R15.htm 999015 - Disclosure - Fair Value Measurements Sheet http://boostrun.com/role/FairValueMeasurements Fair Value Measurements Notes 15 false false R16.htm 999016 - Disclosure - Segment Sheet http://boostrun.com/role/Segment Segment Notes 16 false false R17.htm 999017 - Disclosure - Subsequent Events Sheet http://boostrun.com/role/SubsequentEvents Subsequent Events Notes 17 false false R18.htm 999018 - Disclosure - Prepaid Expenses Sheet http://boostrun.com/role/PrepaidExpenses Prepaid Expenses Notes 18 false false R19.htm 999019 - Disclosure - Equipment, Net Sheet http://boostrun.com/role/EquipmentNet Equipment, Net Notes 19 false false R20.htm 999020 - Disclosure - Revenues Sheet http://boostrun.com/role/Revenues Revenues Notes 20 false false R21.htm 999021 - Disclosure - Other Current Liabilities Sheet http://boostrun.com/role/OtherCurrentLiabilities Other Current Liabilities Notes 21 false false R22.htm 999022 - Disclosure - Leases Sheet http://boostrun.com/role/Leases Leases Notes 22 false false R23.htm 999023 - Disclosure - Debt Sheet http://boostrun.com/role/Debt Debt Notes 23 false false R24.htm 999024 - Disclosure - Members??? Capital Sheet http://boostrun.com/role/MembersCapital Members??? Capital Notes 24 false false R25.htm 999025 - Disclosure - Unit-Based Compensation Sheet http://boostrun.com/role/Unit-basedCompensation Unit-Based Compensation Notes 25 false false R26.htm 999026 - Disclosure - Earnings (Loss) Per Unit Sheet http://boostrun.com/role/EarningsLossPerUnit Earnings (Loss) Per Unit Notes 26 false false R27.htm 999027 - Disclosure - Liquidity and Going Concern Sheet http://boostrun.com/role/LiquidityAndGoingConcern Liquidity and Going Concern Notes 27 false false R28.htm 999028 - Disclosure - RELATED PARTY Sheet http://boostrun.com/role/RelatedParty RELATED PARTY Notes 28 false false R29.htm 999029 - Disclosure - Income Taxes Sheet http://boostrun.com/role/IncomeTaxes Income Taxes Notes 29 false false R30.htm 999030 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://boostrun.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://boostrun.com/role/SummaryOfSignificantAccountingPolicies 30 false false R31.htm 999031 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://boostrun.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://boostrun.com/role/SummaryOfSignificantAccountingPolicies 31 false false R32.htm 999032 - Disclosure - Fair Value Measurements (Tables) Sheet http://boostrun.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://boostrun.com/role/FairValueMeasurements 32 false false R33.htm 999033 - Disclosure - Segment (Tables) Sheet http://boostrun.com/role/SegmentTables Segment (Tables) Tables http://boostrun.com/role/Segment 33 false false R34.htm 999034 - Disclosure - Prepaid Expenses (Tables) Sheet http://boostrun.com/role/PrepaidExpensesTables Prepaid Expenses (Tables) Tables http://boostrun.com/role/PrepaidExpenses 34 false false R35.htm 999035 - Disclosure - Equipment, Net (Tables) Sheet http://boostrun.com/role/EquipmentNetTables Equipment, Net (Tables) Tables http://boostrun.com/role/EquipmentNet 35 false false R36.htm 999036 - Disclosure - Revenues (Tables) Sheet http://boostrun.com/role/RevenuesTables Revenues (Tables) Tables http://boostrun.com/role/Revenues 36 false false R37.htm 999037 - Disclosure - Other Current Liabilities (Tables) Sheet http://boostrun.com/role/OtherCurrentLiabilitiesTables Other Current Liabilities (Tables) Tables http://boostrun.com/role/OtherCurrentLiabilities 37 false false R38.htm 999038 - Disclosure - Leases (Tables) Sheet http://boostrun.com/role/LeasesTables Leases (Tables) Tables http://boostrun.com/role/Leases 38 false false R39.htm 999039 - Disclosure - Debt (Tables) Sheet http://boostrun.com/role/DebtTables Debt (Tables) Tables http://boostrun.com/role/Debt 39 false false R40.htm 999040 - Disclosure - Members??? Capital (Tables) Sheet http://boostrun.com/role/MembersCapitalTables Members??? Capital (Tables) Tables http://boostrun.com/role/MembersCapital 40 false false R41.htm 999041 - Disclosure - Unit-Based Compensation (Tables) Sheet http://boostrun.com/role/Unit-basedCompensationTables Unit-Based Compensation (Tables) Tables http://boostrun.com/role/Unit-basedCompensation 41 false false R42.htm 999042 - Disclosure - Income Taxes (Tables) Sheet http://boostrun.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://boostrun.com/role/IncomeTaxes 42 false false R43.htm 999043 - Disclosure - Description of Business and Basis of Presentation (Details Narrative) Sheet http://boostrun.com/role/DescriptionOfBusinessAndBasisOfPresentationDetailsNarrative Description of Business and Basis of Presentation (Details Narrative) Details http://boostrun.com/role/DescriptionOfBusinessAndBasisOfPresentation 43 false false R44.htm 999044 - Disclosure - Schedule of Class a Ordinary Shares Subject to Redemption (Details) Sheet http://boostrun.com/role/ScheduleOfClassOrdinarySharesSubjectToRedemptionDetails Schedule of Class a Ordinary Shares Subject to Redemption (Details) Details 44 false false R45.htm 999045 - Disclosure - Schedule of Reconciliation of the Numerator and Denominator Used to Compute Basic and Diluted Net Income Per Ordinary Share (Details) Sheet http://boostrun.com/role/ScheduleOfReconciliationOfNumeratorAndDenominatorUsedToComputeBasicAndDilutedNetIncomePerOrdinaryShareDetails Schedule of Reconciliation of the Numerator and Denominator Used to Compute Basic and Diluted Net Income Per Ordinary Share (Details) Details 45 false false R46.htm 999046 - Disclosure - Summary of Significant Accounting Policies (Details Narrative) Sheet http://boostrun.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative Summary of Significant Accounting Policies (Details Narrative) Details http://boostrun.com/role/SummaryOfSignificantAccountingPoliciesTables 46 false false R47.htm 999047 - Disclosure - Initial Public Offering (Details Narrative) Sheet http://boostrun.com/role/InitialPublicOfferingDetailsNarrative Initial Public Offering (Details Narrative) Details http://boostrun.com/role/InitialPublicOffering 47 false false R48.htm 999048 - Disclosure - Private Placement (Details Narrative) Sheet http://boostrun.com/role/PrivatePlacementDetailsNarrative Private Placement (Details Narrative) Details http://boostrun.com/role/PrivatePlacement 48 false false R49.htm 999049 - Disclosure - Related Party Transactions (Details Narrative) Sheet http://boostrun.com/role/RelatedPartyTransactionsDetailsNarrative Related Party Transactions (Details Narrative) Details http://boostrun.com/role/RelatedPartyTransactions 49 false false R50.htm 999050 - Disclosure - Commitments and Contingencies (Details Narrative) Sheet http://boostrun.com/role/CommitmentsAndContingenciesDetailsNarrative Commitments and Contingencies (Details Narrative) Details http://boostrun.com/role/CommitmentsAndContingencies 50 false false R51.htm 999051 - Disclosure - Stockholder???s Deficit (Details Narrative) Sheet http://boostrun.com/role/StockholdersDeficitDetailsNarrative Stockholder???s Deficit (Details Narrative) Details http://boostrun.com/role/StockholdersDeficit 51 false false R52.htm 999052 - Disclosure - Schedule of Fair Value Hierarchy of the Valuation Inputs (Details) Sheet http://boostrun.com/role/ScheduleOfFairValueHierarchyOfValuationInputsDetails Schedule of Fair Value Hierarchy of the Valuation Inputs (Details) Details 52 false false R53.htm 999053 - Disclosure - Schedule of Market Assumptions Used in the Valuation of Public Warrants (Details) Sheet http://boostrun.com/role/ScheduleOfMarketAssumptionsUsedInValuationOfPublicWarrantsDetails Schedule of Market Assumptions Used in the Valuation of Public Warrants (Details) Details 53 false false R54.htm 999054 - Disclosure - Fair Value Measurements (Details Narrative) Sheet http://boostrun.com/role/FairValueMeasurementsDetailsNarrative Fair Value Measurements (Details Narrative) Details http://boostrun.com/role/FairValueMeasurementsTables 54 false false R55.htm 999055 - Disclosure - Schedule of Segment Information (Details) Sheet http://boostrun.com/role/ScheduleOfSegmentInformationDetails Schedule of Segment Information (Details) Details 55 false false R56.htm 999056 - Disclosure - Segment (Details Narrative) Sheet http://boostrun.com/role/SegmentDetailsNarrative Segment (Details Narrative) Details http://boostrun.com/role/SegmentTables 56 false false R57.htm 999057 - Disclosure - Schedule of Equipment Useful Lives (Details) Sheet http://boostrun.com/role/ScheduleOfEquipmentUsefulLivesDetails Schedule of Equipment Useful Lives (Details) Details 57 false false R58.htm 999058 - Disclosure - Subsequent Events (Details Narrative) Sheet http://boostrun.com/role/SubsequentEventsDetailsNarrative Subsequent Events (Details Narrative) Details http://boostrun.com/role/SubsequentEvents 58 false false R59.htm 999059 - Disclosure - Schedule of Prepaid Expenses (Details) Sheet http://boostrun.com/role/ScheduleOfPrepaidExpensesDetails Schedule of Prepaid Expenses (Details) Details 59 false false R60.htm 999060 - Disclosure - Schedule of Equipment (Details) Sheet http://boostrun.com/role/ScheduleOfEquipmentDetails Schedule of Equipment (Details) Details 60 false false R61.htm 999061 - Disclosure - Equipment, Net (Details Narrative) Sheet http://boostrun.com/role/EquipmentNetDetailsNarrative Equipment, Net (Details Narrative) Details http://boostrun.com/role/EquipmentNetTables 61 false false R62.htm 999062 - Disclosure - Schedule of Disaggregated Revenues (Details) Sheet http://boostrun.com/role/ScheduleOfDisaggregatedRevenuesDetails Schedule of Disaggregated Revenues (Details) Details 62 false false R63.htm 999063 - Disclosure - Summary of Changes in the Estimated Fair Value (Details) Sheet http://boostrun.com/role/SummaryOfChangesInEstimatedFairValueDetails Summary of Changes in the Estimated Fair Value (Details) Details 63 false false R64.htm 999064 - Disclosure - Schedule of Other Current Liabilities (Details) Sheet http://boostrun.com/role/ScheduleOfOtherCurrentLiabilitiesDetails Schedule of Other Current Liabilities (Details) Details 64 false false R65.htm 999065 - Disclosure - Schedule of Lease Costs (Details) Sheet http://boostrun.com/role/ScheduleOfLeaseCostsDetails Schedule of Lease Costs (Details) Details 65 false false R66.htm 999066 - Disclosure - Schedule of Weighted Average Remaining Lease Term and Discount Rate (Details) Sheet http://boostrun.com/role/ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails Schedule of Weighted Average Remaining Lease Term and Discount Rate (Details) Details 66 false false R67.htm 999067 - Disclosure - Schedule of Cash Flow Information Related to Leases (Details) Sheet http://boostrun.com/role/ScheduleOfCashFlowInformationRelatedToLeasesDetails Schedule of Cash Flow Information Related to Leases (Details) Details 67 false false R68.htm 999068 - Disclosure - Schedule of Future Minimum Lease Payments (Details) Sheet http://boostrun.com/role/ScheduleOfFutureMinimumLeasePaymentsDetails Schedule of Future Minimum Lease Payments (Details) Details 68 false false R69.htm 999069 - Disclosure - Leases (Details Narrative) Sheet http://boostrun.com/role/LeasesDetailsNarrative Leases (Details Narrative) Details http://boostrun.com/role/LeasesTables 69 false false R70.htm 999070 - Disclosure - Schedule of Maturities of Long Term Debt (Details) Sheet http://boostrun.com/role/ScheduleOfMaturitiesOfLongTermDebtDetails Schedule of Maturities of Long Term Debt (Details) Details 70 false false R71.htm 999071 - Disclosure - Debt (Details Narrative) Sheet http://boostrun.com/role/DebtDetailsNarrative Debt (Details Narrative) Details http://boostrun.com/role/DebtTables 71 false false R72.htm 999072 - Disclosure - Schedule of Fair Value Measurements of Black Scholes Model Assumptions (Details) Sheet http://boostrun.com/role/ScheduleOfFairValueMeasurementsOfBlackScholesModelAssumptionsDetails Schedule of Fair Value Measurements of Black Scholes Model Assumptions (Details) Details 72 false false R73.htm 999073 - Disclosure - Members??? Capital (Details Narrative) Sheet http://boostrun.com/role/MembersCapitalDetailsNarrative Members??? Capital (Details Narrative) Details http://boostrun.com/role/MembersCapitalTables 73 false false R74.htm 999074 - Disclosure - Schedule of Profit Interest Unit Activity (Details) Sheet http://boostrun.com/role/ScheduleOfProfitInterestUnitActivityDetails Schedule of Profit Interest Unit Activity (Details) Details 74 false false R75.htm 999075 - Disclosure - Schedule of Fair Value of Profit Interest Units (Details) Sheet http://boostrun.com/role/ScheduleOfFairValueOfProfitInterestUnitsDetails Schedule of Fair Value of Profit Interest Units (Details) Details 75 false false R76.htm 999076 - Disclosure - Unit-Based Compensation (Details Narrative) Sheet http://boostrun.com/role/Unit-basedCompensationDetailsNarrative Unit-Based Compensation (Details Narrative) Details http://boostrun.com/role/Unit-basedCompensationTables 76 false false R77.htm 999077 - Disclosure - Earnings (Loss) Per Unit (Details Narrative) Sheet http://boostrun.com/role/EarningsLossPerUnitDetailsNarrative Earnings (Loss) Per Unit (Details Narrative) Details http://boostrun.com/role/EarningsLossPerUnit 77 false false R78.htm 999078 - Disclosure - RELATED PARTY (Details Narrative) Sheet http://boostrun.com/role/RelatedPartyDetailsNarrative RELATED PARTY (Details Narrative) Details http://boostrun.com/role/RelatedParty 78 false false R79.htm 999079 - Disclosure - Schedule of Statutory Rate and Effective Tax Rate (Details) Sheet http://boostrun.com/role/ScheduleOfStatutoryRateAndEffectiveTaxRateDetails Schedule of Statutory Rate and Effective Tax Rate (Details) Details 79 false false R80.htm 999080 - Disclosure - Schedule of Deferred Tax Assets (Details) Sheet http://boostrun.com/role/ScheduleOfDeferredTaxAssetsDetails Schedule of Deferred Tax Assets (Details) Details 80 false false R81.htm 999081 - Disclosure - Income Taxes (Details Narrative) Sheet http://boostrun.com/role/IncomeTaxesDetailsNarrative Income Taxes (Details Narrative) Details http://boostrun.com/role/IncomeTaxesTables 81 false false All Reports Book All Reports brun-20251231.xsd brun-20251231_cal.xml brun-20251231_def.xml brun-20251231_lab.xml brun-20251231_pre.xml forms-4a.htm annexf_001.jpg formdrs_001.jpg formdrs_002.jpg formdrs_003.jpg formdrs_004.jpg formdrs_005.jpg formdrs_006.jpg formdrs_007.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 true true