Ready to race? Register directly on the official race website โ opens in a new tab.
Register โSave this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
Bighorn Trail 100 is a 100 miles trail running event held in Dayton, WY on Jun 19, 2026. It draws 300 competitors. The course has a hilly profile.
Trehko tracks registration status, entry fees, and deadlines for Bighorn Trail 100 and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: