Trail Running Calendar Wyoming 2025-2026

The Sunrise Scramble is an exciting running event designed for those looking to enhance their night running skills. Set at the Two Moons Campground in Glendo, WY, participants can choose from various loop distances ranging from 1 to 13 miles. The challenge is to complete as many loops as possible be..

The Caveman Fun Run is an exciting running event taking place on May 10, 2025, at the Flying V Trails near Newcastle, WY. Participants can choose from three challenging distances: 5K, 10K, and 20K, which feature a mix of single-track trails and double-track roads. Registration is open until May 7, w..

The Trail Mix Run Wyoming is an exciting mixed surface running event taking place in Casper, Wyoming, featuring 3-mile and 10-mile courses that include challenging hills, spring creeks, and often muddy conditions. There is also a 3-mile route that is wheelchair and stroller accessible, welcoming wal..

The Pilot Hill 25K is Wyoming's oldest continuously run footrace, originating in the 1970s. This classic race features a challenging course on rugged trails, including sandy flats and steep climbs, culminating at the summit of Pilot Hill, offering stunning views of the surrounding mountains. Partici..

The Sinks Canyon Trail Races, hosted by the Lander Running Club, take place in the scenic Sinks Canyon, Wyoming, on June 7, 2025. This event features multiple race distances, including a challenging 50K mountain run, an 18K trail race, and a 6K fun run suitable for all ages and abilities. Participan..

The Bighorn Trail Run is a challenging ultra-marathon held in the rugged Bighorn Mountains near Dayton, Wyoming. Featuring distances of 18, 32, 52, and 100 miles, the event showcases technical single-track trails, jeep roads, and mountain terrain, with over 20,500 feet of ascent and descent. Celebra..

The Wrun for Wray Targhee Hillclimb is a challenging running event taking place in Alta, Wyoming, on June 28, 2025. Participants will tackle a 4.2-mile course with a significant elevation gain of 2,200 feet, aiming to reach the summit of Fred's Mountain. This event not only promotes physical fitness..

The Grand Targhee Wildflower Run is a multi-day trail running event held in July 2025 at Grand Targhee Resort in Wyoming. It features four races: a 50K ultra marathon on July 5th, and on July 6th, a half marathon, a 10K, and a kids' 1K race. The 50K course traverses scenic high-elevation ridgelines..

The Teton Mountaineering Cache Creek Trail Run is a celebrated annual event taking place in Jackson, Wyoming, on July 6, 2025. This year marks the 45th edition of the race, featuring an 18K trail run, an 18K trail hike, and a virtual run option for participants who prefer to complete the course at t..

The Bear River Trail Race, taking place in Bear River State Park, Evanston, WY, offers participants a unique opportunity to run along the scenic banks of the Bear River. This inaugural event features three race distances: a 17-mile, half marathon, and 10K, catering to various skill levels. Runners w..

The Teton Mountain Runs is an exhilarating trail running event held at the Jackson Hole Mountain Resort, featuring three race distances: the Cody Peak 50K, Cirque 30K, and Wild 15K. Scheduled for July 12-13, 2025, participants will experience breathtaking views of the Grand Teton and the surrounding..

The Skunk Hollow Sneaker Chase, taking place on July 19, 2025, in Casper, Wyoming, features two exciting events: an 8-mile race and Wyoming's first Backyard Ultra. The 8-mile race consists of two laps on scenic trails, while the Backyard Ultra challenges participants to complete a 4.17-mile lap ever..

El Vaquero Loco is a trail running event held in Afton, Wyoming, featuring two main races: a 50k and a 31k. Established in 2004, this community-focused event takes place in the scenic Wyoming wilderness, offering participants a challenging and rewarding experience on rugged terrain. The race serves..

The Wyoming Range 100-Mile Endurance Run is a challenging trail race held in the rugged Wyoming Range, within Bridger-Teton National Forest. Covering approximately 105 miles with 24,000 feet of elevation gain, the race traverses high-altitude wilderness, including the Wyoming Range National Recreati..

The Med Bow Rail Marathon and Half Marathon, organized by the Friends of the Medicine Bow Rail Trail, will take place on August 9, 2025. This event features a marathon course that spans the scenic Medicine Bow Rail Trail, with an average elevation of 8,926 feet, and a half-marathon that includes loo..

The Night Crawler Endurance Challenge is an overnight ultramarathon event held in Casper, Wyoming, featuring 4-hour and 12-hour solo running options. Set against the scenic backdrop of Casper Mountain, participants can run through forested trails while enjoying the camaraderie of fellow runners. The..

The Antelope Dash is a trail running event held at Curt Gowdy State Park in Wyoming. Participants can choose between an 8-mile and a 4-mile race, both featuring scenic routes through rolling hills, forests, and striking rock formations. The courses start at an elevation of 7,300 feet and ascend to 7..

The Cirque Series - Grand Targhee, WY is an exciting mountain running event set in the stunning landscapes of Grand Targhee. Participants can choose from three divisions: Sport (beginner/intermediate), Expert, and Pro, covering a challenging 7.1-mile course with an elevation gain of 2,012 feet. The..

The Wolf Creek Wrangle is an adventurous trail running event held in Wolf, Wyoming, featuring a variety of challenging distances: 18 miles, 13.1 miles, 7 miles, and 5 miles. Known for its rugged terrain and wild single-track trails, participants can expect an authentic outdoor experience, complete w..

Run the Red Desert is an annual ultra-marathon held in South Pass City, Wyoming, celebrating Wyoming’s Red Desert and its natural and historical significance. The event features two main races: a 50K starting at 8:00 AM and a 25K beginning at 10:00 AM, both offering scenic courses through the remote..