Trail Running Calendar Wyoming 2025-2026

Trail Mix Run Wyoming, held in Casper, offers a challenging 3- or 10-mile mixed surface course featuring hills, spring creeks, and often muddy terrain. The event welcomes runners, walkers, and includes a 3-mile wheelchair and stroller accessible route. Starting and finishing at Mike Sedar Park, the..

The Pilot Hill 25K is Wyoming's oldest continuously run footrace, held in Laramie. This rugged trail race covers 25 kilometers over two-track and single-track paths, featuring sandy flats, low-grade hills, and challenging limestone climbs. The course ascends to Pilot Hill's summit at 8,600 feet, off..

The Sinks Canyon Trail Races, held in scenic Sinks Canyon near Lander, Wyoming, offer a challenging and picturesque mountain running experience. Hosted by the Lander Running Club, the event features multiple distances: a rigorous 50K mountain course with steep climbs, technical descents, and stunnin..

The BearLodge 10K is a scenic trail race held at the Bear Lodge Trail near Reuter Campground in Sundance, Wyoming. Set against the picturesque Bear Lodge Mountains, the challenging 10K course features lush forest paths and rolling elevation changes, offering breathtaking views and a true test of end..

The Bighorn Trail Run is a challenging ultra-running event held in the rugged Bighorn Mountains near Dayton, Wyoming. It offers four race distances—100 miles, 52 miles, 32 miles, and 18 miles—over two days, showcasing steep climbs, technical terrain, and dramatic elevation changes totaling over 20,5..

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, held in Evanston, Wyoming, offers three distances: 10K, half marathon, and 17 miles, all starting and finishing at Bear Meadows Park. The course features a scenic mix of the Bear River greenway, Bear River State Park, and Rio Oso Trails, showcasing lush river bottoms, wild..

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 & Backyard Ultra takes place at Casper Mountain Trails Center in Casper, Wyoming. The event offers two race options: an 8-mile run consisting of two 4.17-mile laps, and Wyoming's first true Backyard Ultra, where runners complete a 4.17-mile loop every hour until only o..

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 & Half Marathon, held in the scenic Medicine Bow National Forest near Laramie, Wyoming, offers runners a unique high-elevation challenge. The marathon covers the entire 21-mile Medicine Bow Rail Trail, averaging 8,926 feet in elevation, crossing briefly into Colorado before..

The Night Crawler Endurance Challenge is a unique overnight solo ultramarathon held on Casper Mountain in Wyoming, featuring 4-hour and 12-hour race options. Set at an elevation of 8,100 feet, runners traverse forested trails starting from the Nordic stadium near the Casper Mountain Trails Center. T..

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 a thrilling mountain running event scheduled for August 30, 2025. Participants will tackle a challenging 7.1-mile course with an elevation gain of 2,212 feet, starting at the base of Grand Targhee Resort. The route features stunning views of the Grand Teton a..

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..