Trail Running Calendar Wyoming 2025-2026

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 Reuter Campground in Sundance, Wyoming, set against the beautiful Bear Lodge Mountains. This challenging 10K course features lush forest paths and rolling elevation changes, offering breathtaking views and a true test of endurance for trail runners of..

The Bighorn Trail Run is a challenging ultra-running event held in the rugged Bighorn Mountains near Dayton, Wyoming. Offering four race distances—100, 52, 32, and 18 miles—over two days, it features a remote, technical out-and-back course through the Bighorn National Forest. The 100-mile race inclu..

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 two-day trail running event held at Grand Targhee Resort in Alta, Wyoming. Scheduled for July 5-6, 2025, it features four races: a 50K ultra marathon, a half marathon, a 10K, and a 1K kids' race for ages 6-12. The 50K course offers challenging high-elevation rid..

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 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 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 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, featuring a 4.17-mile loop run every hour until only one runner..

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, 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 befo..

The Grace Race in Buffalo, Wyoming, offers runners, walkers, and hikers a scenic experience along trails at the foot of the Big Horn Mountains. Participants can choose from 5k, 10k, or 25k distances, all featuring out-and-back courses on a mix of maintained trails, dirt two-tracks, paved bike paths,..

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 8,100 feet elevation, runners traverse forested trails starting and finishing at the Nordic stadium near the Casper Mountain Trails Cen..

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 a scenic landscape of aspens, pines, reservoirs, streams, granite rock formations, and hoodoos. The course start..

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 elevation, and rugged terrain through grizzly bear country, and a more accessibl..

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 Jelm Mountain Run, held in Southeast Wyoming near Jelm Mountain, offers two challenging race distances: a 10+ mile out-and-back course and a 50k, which is three loops 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 cl..

The Wolf Creek Wrangle is a challenging trail running event held annually at the historic Eatons' Ranch near Wolf, Wyoming, nestled under the eastern slopes of the Bighorn Mountains. Scheduled for September 20, 2025, the race offers four rugged distances: 5 miles, 7 miles, a half-marathon (13.1 mile..

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 two main distances: a 50K and a 25K, both starting and finishing at the historic South Pass City site. The courses are looped and traverse the..