Liabilities / Assets
82nd percentile
Higher debt load relative to assets than 82% of similar nonprofits.
EIN 94-2902794 • 501(c)3 • Auburn, CA
Profile
To foster, plan and stage western states 100 mile endurance run. To conduct scientific research. To preserve historical sites and data relating to the trail.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
82nd percentile
Higher debt load relative to assets than 82% of similar nonprofits.
Liabilities / Revenue
79th percentile
Higher debt load relative to revenue than 79% of similar nonprofits.
Net Margin
38th percentile
Higher net margin than 38% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
95th percentile
Faster asset growth than 95% of similar nonprofits.
Revenue Growth
19th percentile
Faster revenue growth than 19% of similar nonprofits.
Assets
Up$1,023,542
Up $42,588 (+4.3%) from 2024
Liabilities
Down$459,065
Down $22,309 (-4.6%) from 2024
Net Assets
Up$564,477
Up $64,897 (+13%) from 2024
Revenue
Up$1,253,158
Up $194,917 (+18%) from 2024
Expenses
Up$1,201,536
Up $139,893 (+13%) from 2024
Net Income
Up$51,622
Up $55,024 (+1617%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
To be a leader in the sport of ultrarunning and promote its personal and community benefits through trail stewardship, research, and providing a life-changing experience.
To promote sport through its annual race, medical research, and trail stewardship.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $499,580 | $564,477 | ▲ $64,897 |
| Savings and Temporary Cash Investments | $466,972 | $492,992 | ▲ $26,020 |
| Investments in Publicly Traded Securities | $422,827 | $457,811 | ▲ $34,984 |
| Cash and Non-Interest-Bearing Accounts | $47,989 | $42,173 | ▼ $5,816 |
| Accounts Receivable | $43,166 | $30,566 | ▼ $12,600 |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Pd in Cap Srpls Land Bldg Eqp Fund | $0 | $0 | → $0 |
| Cap Stk Tr Prin Current Funds | $0 | $0 | → $0 |
| Total Assets | $980,954 | $1,023,542 | ▲ $42,588 |
| Liabilities | |||
| Deferred Revenue | $450,000 | $455,000 | ▲ $5,000 |
| Accounts Payable and Accrued Expenses | $31,374 | $4,065 | ▼ $27,309 |
| Total Liabilities | $481,374 | $459,065 | ▼ $22,309 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $499,580 | $564,477 | ▲ $64,897 |
| Total Liabilities and Net Assets / Fund Balance | $980,954 | $1,023,542 | ▲ $42,588 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $0 | $9,252 | $9,252 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Craig Thornley | Executive Director/Race Director | FT | $106,045 | $5,302 | $111,347 |
| Name | Title |
|---|---|
| Christopher Gaylord | President |
| Diana Fitzpatrick | Vice President |
| Allyson Thomas | Director |
| Billy Yang | Director |
| Charles Savage | Director |
| Denis Zilaff | Director |
| Dylan Bowman | Director |
| Gary Towle MD | Director |
| John Trent | Director |
| Magdalena Boulet | Director |
| Mo Livermore | Director |
| Tia Bodington | Director |
| Kara Teklinski | Secretary |
| Lamont King | Treasurer |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Other Non Cash Contri Table | 9 | $177,675 | Retail selling value |
| Other Non Cash Contri Table | 2 | $43,250 | Retail selling value |
| Total Noncash Contributions | 11 | $220,925 | - |
| Line Item | Amount |
|---|---|
| Other Expenses | $1,069,740 |
| Salaries, Compensation, and Employee Benefits | $123,796 |
| Grants and Similar Amounts Paid | $8,000 |
| Total Fundraising Expense | $4,158 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $103,756 | $9,223 | $2,306 | $115,285 |
| Conferences and Meetings | $39,028 | $1,256 | $1 | $40,285 |
| Travel | $33,171 | - | - | $33,171 |
| Occupancy | $31,026 | $89 | - | $31,115 |
| Other Expenses | $21,998 | - | - | $21,998 |
| Fees for Services Other | $2,620 | $15,172 | - | $17,792 |
| All Other Expenses | $10,158 | $4,864 | - | $15,022 |
| Insurance | $4,172 | $6,302 | - | $10,474 |
| Payroll Taxes | $7,660 | $681 | $170 | $8,511 |
| Office Expenses | $4,927 | $85 | $1,681 | $6,693 |
| Grants to Domestic Orgs | $5,000 | - | - | $5,000 |
| Advertising | $3,977 | - | - | $3,977 |
| Grants to Domestic Individuals | $3,000 | - | - | $3,000 |
| Total Functional Expenses | $1,159,706 | $37,672 | $4,158 | $1,201,536 |
| Line Item | Amount |
|---|---|
| Gaming Gross Income | $65,386 |
| Gaming Direct Expenses | $0 |
| Professional Fundraising Fees | $0 |
“No committees have broad authority to act on behalf of the board.”
“Form 990 is reviewed by committee and presented to the full board for review prior to filing with the IRS.”
“The Organization has a conflict of interest policy that board members review and sign on an annual basis. If it is determined there is a conflict, that board member would be recused from voting on the issue.”
“The Organization did an in-depth performance review and salary benchmark analysis for the Race Director/Executive Director in 2020. This was done by a Compensation Committee and approved by the Board. Since then, the Organization has reviewed compensation on an annual basis to make sure any raise or bonus is reasonable per prior benchmarks and within general cost of living guidelines.”
“All governing documents and financial statements are available upon written request sent to our mailing address.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 31374 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4065 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 43166 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 30566 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | To promote sport through its annual race, medical research, and trail stewardship. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 3977 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 3977 |
| IRS990/AllOtherContributionsAmt | 0 | 897308 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 4864 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 10158 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 15022 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Craig Thornley |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5415131533 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO Box 99 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Auburn |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 95604 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 47989 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 42173 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 2306 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 9223 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 103756 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 115285 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 1256 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 39028 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 40285 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 897308 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 8000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 42729 |
| IRS990/CYOtherExpensesAmt | 0 | 1069740 |
| IRS990/CYOtherRevenueAmt | 0 | 65386 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 247735 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 51622 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 123796 |
| IRS990/CYTotalExpensesAmt | 0 | 1201536 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 4158 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1253158 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 450000 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 455000 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | Successfully completed the 52nd annual Western States 100-Mile Endurance Run in June 2025. Increased worldwide engagement with over 31 hours of continuous livestream broadcast with over 1.2 million views globally. There were 285 finishers with a finish rate of 77% and improved tracking of runners with Starlink internet satellite connections to augment runner safety. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 1 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 959383 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 15172 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2620 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 17792 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 5302 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Christopher Gaylord |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Diana Fitzpatrick |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Lamont King |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Kara Teklinski |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Charles Savage |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Gary Towle MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Mo Livermore |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Denis Zilaff |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | John Trent |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Magdalena Boulet |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Tia Bodington |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Allyson Thomas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Dylan Bowman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Billy Yang |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Craig Thornley |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 106045 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Executive Director/Race Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1983 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 11870 |
| IRS990/GamingActivitiesInd | 0 | 1 |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 65386 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 14 |
| IRS990/GrantAmt | 0 | 8000 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 3000 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 3000 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 5000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 5000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 11870 |
| IRS990/GrossReceiptsAmt | 0 | 1253158 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 14 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 6302 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 4172 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 10474 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 30859 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 30859 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 422827 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 457811 |
| IRS990/IRPDocumentCnt | 0 | 6 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 9252 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 9252 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | To be a leader in the sport of ultrarunning and promote its personal and community benefits through trail stewardship, research, and providing a life-changing experience. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 499580 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 564477 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 11870 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 11870 |
| IRS990/NetIncomeFromGamingGrp/ExclusionAmt | 0 | 65386 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 65386 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 13275 |
| IRS990/NoncashContributionsAmt | 0 | 220925 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 89 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 31026 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 31115 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 1681 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 85 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 4927 |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Completed the third year of a multi-year project with US Forest Service to re-route and improve several miles of the Western States trail in the Granite Chief Wilderness Area, a federally designated Wilderness Area. The re-route project will continue through the summer of 2026. Successfully completed annual trail work on 100 miles of the Western States trail using our volunteer steward program, a partnership between Western States Endurance Run Foundation, US Forest Service, Auburn State Recreation Area and Western States Trail Foundation, modeled after the Pacific Crest Trail Association. This trail work included both financial commitment from WSER and from coordinated volunteer effort. |
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| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Sponsored two medical studies at the 2025 Western States 100-Mile Endurance Run entitled: "The interrelationship between nutritional strategies, body core temperature and gastrointestinal distress during the Western States Endurance Run" led by Lois Mougin of Loughborough University, UK and "Biomechanical workload, total energy expenditure and markers of bone health in ultrarunners competing in the 2025-2029 Western States Endurance Run" led by Richard Wily of the University of Montana and the Department of Defense.Both studies were successfully completed and researchers in the first study have recently published an article in the Journal of Applied Physiology entitled: (Continued on Schedule O)"Physiological, nutritional, and thermoregulatory responses of a world class mountain-ultramarathon athlete during the 2025 Western States Endurance Run 100."The WSER Foundation hosted a pre-race medical conference in Auburn on May 23, 2025 with 65 attendees to present the results of research conducted at the WSER. The Foundation's Medical Director presented pre-race zoom conferences to discuss medical issues of concern for WSER entrants. |
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