Bighorn Trail Run

The Bighorn Trail Run is a challenging ultra-running event held in the rugged Bighorn Mountains near Dayton, Wyoming. It offers four race distances over two days, including a demanding 100-mile course that features 20,500 feet of ascent and 20,750 feet of descent across technical single-track trails, jeep roads, and gravel roads. Known as one of the top 10 most difficult ultras in the nation, the course traverses remote wilderness with steep climbs, tough terrain, and variable mountain weather. Participants may encounter wildlife such as elk, moose, and bears. The event emphasizes community, support from dedicated volunteers, and a spirit of endurance amid spectacular natural beauty. Visit the organization's website for the most recent information.