Trail Running Calendar Wyoming 2025-2026

The Grace Race - Buffalo will take place in Buffalo on Saturday 16 August 2025. You can run between 5 and 25 kilometers.

The Night Crawler Endurance Challenge is a unique overnight solo ultramarathon held in Casper, Wyoming, on Casper Mountain at an elevation of 8,100 feet. Participants can choose between 4-hour and 12-hour solo running options, navigating forested trails starting and finishing at the Nordic stadium n..

The Antelope Dash is a trail running event held at Curt Gowdy State Park near Cheyenne, Wyoming. It features 4-mile and 8-mile races that traverse rolling hills and winding trails through scenic forested areas of aspens and pines. The courses start at an elevation of 7,300 feet and climb to 7,700 fe..

The MAC (Meeteetse Absaroka Challenge) is a challenging trail running event held near Meeteetse, Wyoming, in the scenic Shoshone National Forest. It features two distances: a demanding 15K course with steep climbs, high altitude, and rugged terrain through grizzly bear country, and a more accessible..

The Cirque Series race at Grand Targhee, Wyoming, is a challenging 7.1-mile mountain trail run featuring 2,212 feet of vertical gain. Starting at the base of Grand Targhee Resort (7,860 ft elevation), runners ascend steep service roads and single-track trails through scenic aspen groves and spruce f..

The Jelm Mountain Run, held in Southeast Wyoming near Jelm, offers two challenging distances: a 10+ mile out-and-back course and a 50k race consisting of three laps of the 10-mile route. The course features rugged jeep roads with over 2,000 feet of elevation gain, starting at 7,600 feet and climbing..

The Wolf Creek Wrangle is a rugged trail running event held annually in Wolf, Wyoming, at the historic Eatons' Ranch near the Bighorn Mountains. Offering four challenging distances—5 miles, 7 miles, half-marathon (13.1 miles), and 18 miles—the race is known for its wild, ungroomed single-track trail..

Run the Red Desert is an annual ultra-marathon held in South Pass City, Wyoming, celebrating the unique landscape of Wyoming’s Red Desert. The event features 50K and 25K loop courses starting and finishing at the historic South Pass City site. Runners experience a remote wilderness setting with view..

The Sunrise Scramble is a unique night trail running event held at Glendo State Park in Wyoming, about three hours from Denver. Participants race from sunset to sunrise, with options to run for 3, 5, or approximately 10 hours. The course features five looped trails ranging from 1.4 to 13.6 miles, ea..