Inspiring Philanthropy Since 1997
Mr. and Mrs. Old Bill have inspired thousands to raise millions through this innovative community celebration. Mr. Old Bill loves to run, and one day while on a run he got the idea for an annual community-wide fundraising event to benefit all local nonprofits.
Old Bill’s has raised over $280 million dollars since its inception in 1997 and made philanthropy a household word in Jackson.
Old Bill’s 2025 will be held on Saturday, September 6, starting at 8:30 am.
Old Bill’s 2025 festivities will take place at Jackson Elementary School fields on Willow Street in downtown Jackson, Wyoming.
Everyone is invited to enjoy Old Bill’s festivities, learn about local nonprofits and celebrate philanthropy.
Qualifying nonprofit organizations in Teton County, Wyoming are invited to participate in Old Bill’s Fun Run. See Eligibility details in the Rules & Procedures. The 2025 application period is closed. The 2026 application period will open on May 1, 2026.
Please review the FAQs on the Nonprofits Page for more information.
Registration is free. Registration for the timed 5K, 10K, and Youth 5K ends on Friday, September 5 at 5pm. Timed divisions are: Women’s 5K, Men’s 5K, Girls’ 5K (>14 years old), Boys’ 5K (>14 years old), Women’s 10K, Men’s 10K, Adaptive 5K, and Adaptive 10K. Register online starting in mid-July 2025.