Trail Running Calendar Wyoming 2026-2027

We have found 16 Trailruns in Wyoming. Check below where and when you can find the races.

Run through the night at Glendo State Park. This event challenges you to complete as many loops as you can on the scenic trails before sunrise. Choose from four timed options, from 3 to 24 hours, and tackle loops ranging from 1 to over 13 m..

May 2026

Hit the trails in Casper on May 16 for Trail Mix Run Wyoming at Mike Sedar Park, with creeks, hills and muddy singletrack. Pick a 3 mile accessible route, a tougher 10 mile course, or run virtually from anywhere.

The Pilot Hill 25K Classic is Wyoming's oldest continuously run footrace, offering a 25K and a 10K on rugged trails with expansive mountain views. This cupless event finishes with refreshments and contributes to local conservation efforts...

June 2026

Explore the trails of Sinks Canyon in Wyoming's Shoshone National Forest. This event offers a 50K mountain run, an 18K, a 6K fun run, and a free Kids' 1K. It's a community race hosted by the Lander Running Club.

The Bighorn Trail Run offers a rugged, remote challenge in the Bighorn Mountains on June 19-20, 2026. Choose from four distances on technical trails with potential wildlife encounters. This classic ultra-running event tests endurance with s..

July 2026

Hit the trails at Grand Targhee for the Wildflower Run this July. Choose from a 50K, 22K, 10K, or a 1K kids' race, all set among wildflowers and Teton views. Every finisher gets a unique award and a hat.

Traverse the high alpine trails of Jackson Hole Mountain Resort at the Teton Mountain Runs. This weekend event in the Bridger-Teton National Forest features three distances, from a 15k to a 50k, with iconic mountain views. Spectators can us..

Run along the Bear River in Wyoming on a course combining greenways and groomed trails. Choose from 10k, half marathon, or 17-mile distances, all with generous cutoffs. Enjoy river bottom scenery and views of the Uinta Mountains.

Hit the trails in Casper, Wyoming, for a unique running challenge. Choose a timed 8-mile loop or test your endurance in a Backyard Ultra "last runner standing" format. The course direction changes based on the year, adding a fresh twist to..

August 2026

A pair of trail races in Afton, Wyoming on August 1, 2026, run on rugged Wilderness terrain. The event features 50k and 31k courses, starts and finishes at Cottonwood Lake and supports Star Valley High School track and cross country teams.

This 108 mile point to point trail run traverses the Wyoming Range in the Bridger-Teton National Forest. With significant elevation gain and high average altitude, it offers a rugged, wilderness experience. The race has a 48 hour cutoff and..

This 5K in Cody supports Wyo Hoofbeats and animal therapy. The flat route goes through neighborhoods and along the Shoshone River. Participants can bring their dogs.

Run the scenic Medicine Bow Rail Trail and Lake Owen at high elevation in Wyoming's national forest. This event offers both marathon and half marathon distances, all on a historic pathway. The 2026 edition is scheduled for August 15.

The Antelope Dash is a trail running event in Curt Gowdy State Park, Wyoming. Runners can choose between 4-mile and 8-mile courses through scenic landscapes with rolling hills and granite formations. The races start at over 7,300 feet, offe..

A 7.1 mile mountain trail race at Grand Targhee on August 29, 2026, with 2,212 feet of vertical gain, technical alpine sections and aid stations. The event is capped at 500 runners and awards cash and gear in Sport, Expert and Pro divisions..

September 2026

Event Overview The Run the Red Desert Trail Races are organized by the Lander Running Club in partnership with The Wyoming Wilderness Association. The event is held to celebrate Wyoming's Red Desert landscape. The races were redesigned in 2..