Wisconsin · Nonprofit
IRONBULL INC
IRONBULL INC (Wisconsin) receives grants from 6 organizations whose IRS filings report $80,450 to it, the largest being BA & ESTHER GREENHECK FOUNDATION ($51,200). 2 of them have funded it in more than one year.
- Revenue FY2024
- $205k
- Funders on record
- 6
- Grants received
- $80k
- Net assets
- $158k
What Ironbull Inc does
Mission
To nbsp;create nbsp;outdoor nbsp;adventures nbsp;for nbsp;all nbsp;ages nbsp;and nbsp;abilities nbsp;by nbsp;producing nbsp;silent nbsp;sport nbsp;races nbsp;and nbsp;challenges nbsp;we nbsp;foster nbsp;healthy nbsp;lifestyles nbsp;while nbsp;showcasing nbsp;our nbsp;natural nbsp;resources
As stated on its FY2024 Form 990.
Programs
Executed nine in person races/events drawing over 1500 racers with 82 outside marathon county and over a quarter of racers visiting from outside wisconsin representing 29 states (winter adventure race/largest adventure race in the us/hill climb/trail run with a kids run/ultra marathon/another trail run with a ultra marathon and a mountain bike race/ midwest bikepacking summit/ gravel grinder bike race/ standalone kids race and winter trail run/ fat bike race). Overall experience rating from racers across all events was a 4.74 out of 5.00.
$151,943 spentof which $3,966 as grants$128,355 earned by the program100% of program spendingOrganized free events to eliminate financial barriers (three kids runs/kids ride/three gravel bike rides a group trail run) which encouraged a wide variety of ages and abilities to get outside without the pressure of a race to try new activities and explore new areas.
Participants picked up hundreds of pieces of garbage along race courses improving the trails and environment.
The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $151,943.
The organization over time
Each line starts at 100 in 2019, so what you read is the shape rather than the size: 150 means half as much again as 2019, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2019 to 2020, from $160k to $119k (−26%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2023 31% · 2024 16%. Grants only. Government contracts and fees sit inside program revenue.
36% of IRONBULL INC’s revenue is contributions — more donation-reliant than the typical peer (18% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 6 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Who funds it, year by year
2018 → 2022: the base held at 1 funder, grant income fell $5k → $3k.
1 of 6 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 6% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of IRONBULL INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
IRONBULL INC leans on a few funders — its largest provides 64% of grant income and the top three 85%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
Largest funder’s share by year: 2018 100% · 2019 100% · 2021 100% · 2022 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
85% of IRONBULL INC's grant income comes from Wisconsin funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $5k arriving through sponsors registered in 1 state is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
IRONBULL INC runs a healthier operating margin than half of the 15,537 recreation & sports nonprofits its size.
this organization peer median middle 50% of peers· 15,537 recreation & sports nonprofits $100k–$1M, FY2024
Organizations like IRONBULL INC
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Wisconsin
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
85% of spending goes to programs.
Governance
Public support
79%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for IRONBULL INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds IRONBULL INC?
- IRONBULL INC (Wisconsin) receives grants from 6 organizations whose IRS filings report $80,450 to it, the largest being BA & ESTHER GREENHECK FOUNDATION ($51,200). 2 of them have funded it in more than one year.
- How many funders does IRONBULL INC have?
- IRS filings report 6 organizations giving $80,450 in grants to IRONBULL INC, 2 of which have funded it in more than one year.
- Who is the largest funder of IRONBULL INC?
- BA & ESTHER GREENHECK FOUNDATION is the largest funder on record, with $51,200 in grants. The full list of funders is on this page.
- How can an organization like IRONBULL INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Wisconsin. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2019–2024), and the filings of 6 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 22, 2026. What this page cannot tell you · view filing