Trail Running calendar near Jackson 2025-2026

The Teton Mountain Runs is a trail running event held at Jackson Hole Mountain Resort in Teton Village, Wyoming. It features three race distances: the Cody Peak 50K, Cirque 30K, and Wild 15K, taking place over two days in July. Runners experience world-class mountain trails within the Bridger-Teton..

The Teton Mountaineering Cache Creek Trail Run is a scenic 18K (approximately 11 miles) trail race held annually in Jackson, Wyoming, within the Bridger-Teton National Forest. Celebrating its 45th year in 2025, the event features a challenging course that starts near Snow King Resort, ascending Cach..

The Farm Life 5k Trail Run takes place at the Bonneville County Fairgrounds in Idaho Falls, ID. This farm-themed event features a fun, flat 5k course that winds around corrals, horse barns, and fields, providing a unique rural running experience. Multiple water stations are available along the route..

El Vaquero Loco is a trail running event held in Western Wyoming, featuring two challenging races: a 50k and a 31k. The 50k race starts at Cottonwood Lake, which also serves as the finish line for both distances, while the 31k begins at Canyon View Park in Afton. Established in 2004, this event offe..

The Wyoming Range 100-Mile Endurance Run is a challenging ultra-marathon held in southwest Wyoming within the Bridger-Teton National Forest. Covering approximately 105 miles with 24,000 feet of elevation gain, the point-to-point course traverses rugged high country, including the Wyoming Range Natio..

The Harriman 25K/50K Trail Run, held annually at Harriman State Park near Island Park, Idaho, offers a scenic and well-curated trail running experience. The event features three distances: an 8.1-mile race, a 25K, and a 50K (two laps of the 25K course). Runners enjoy beautiful single-track trails th..

The Cirque Series at Grand Targhee, Wyoming, is a challenging 7.1-mile mountain running race 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 for..

The Dizzy Horse Backyard Ultra is a unique winter ultramarathon held in Idaho Falls, Idaho, featuring a 4.167-mile loop through a diverse course of desert, grass, horse-race tracks, gravel roads, and occasional snow. Participants run one loop every hour until only one runner remains, making it a tes..

The Spitfire Ultra Trail Challenge, held in Menan, Idaho, offers runners a unique experience on the North Menan Butte, an extinct volcano formed 10,000 years ago. The event features multiple distances: 55K, 30K, 12K, and 5K, catering to various skill levels. Participants traverse diverse terrain inc..