Old Bill's Fun Run | Fun Run Atlas | RMN
Not viral. Useful.
Search
Contact
Not viral. Useful.

Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Old Bill's Fun Run

A free costumed community run through the National Elk Refuge, with a Diaper Derby for babies, that has raised $306 million for Teton County nonprofits.

Post on X LinkedIn Bluesky

Fun Run Atlas · Wyoming

Iconic tradition · Jackson, WY

Old Bill's Fun Run is a landmark running tradition in Jackson, Wyoming, with no upcoming dates listed.

Season completedFreeFamily friendlyDogs welcomeCostumes encouraged
When
Last held Sat, Sept 12, 2026; next date TBA
Early-to-mid September Saturday
Where
Jackson, WY · Teton
Entry
Free
Register
Organized by
Community Foundation of Jackson Hole
30th anniversary in 2026
Official siteRegister

What to expect

  • free entry
  • diaper derby
  • costumes encouraged
  • National Elk Refuge
  • nonprofit village
  • dogs welcome

2026 Season completed

Saturday, September 12, 2026

  • Sat, Sept 12, 2026

2027 Projected

Date TBA

About the run

Community Foundation of Jackson Hole's 30th-anniversary run day with timed and adaptive 5K and 10K, an untimed fun run and 100+ nonprofit booths. Winners get prize money to donate.

The run

Distances
10K, 5K, Adaptive 5K and 10K, Untimed fun run, Diaper Derby
Season
Fall
Swag
Free Old Bill's t-shirt
Benefits
Teton County nonprofits

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.