Trail Running Calendar Wyoming 2026-2027

We have found 14 Trailruns in Wyoming. Check below where and when you can find the races.

Tackle trails at Cody Archery Range with distances from a brisk 1 mile climb to a rolling 50K, including scenic 16 mile options. Expect variable winter to early spring conditions and wildlife encounters, so bring your own hydration.

April 2026

Sunrise Scramble invites trail runners to chase dawn around Glendo Reservoir from Two Moon Campground in Glendo, Wyoming. In 2026 a new 24 hour option joins 3, 5 and 10 hour timed races.

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.

June 2026

Explore rugged trails and river corridors in Sinks Canyon near Lander, Wyoming on June 13, 2026, with distances from a challenging 50K to a family friendly 1K. Enjoy mountain views, technical singletrack, and community spirit.

Bighorn Trail Run June 19 to 21, 2026 in Dayton, Wyoming offers 18 to 100 mile races through rugged Bighorn National Forest. Technical single track, huge elevation and remote backcountry make this a true mountain running challenge.

July 2026

Celebrate Independence Day on the trails at the Grand Targhee Wildflower Run in Alta, Wyoming, July 4 and 5, 2026. Choose from scenic 50K, 22K, 10K or a 1K kids loop that winds across ridgelines, aspen glades and fields of wildflowers.

Experience classic mountain trail racing July 11 and 12, 2026 at Jackson Hole Mountain Resort in Teton Village, Wyoming, with sweeping Grand Teton views and wildflowers. Choose from 50K, 30K or 15K courses and enjoy mountain top aid and waf..

Run scenic singletrack and river bottom trails through Bear River State Park and local wildlife habitat in Evanston, Wyoming. Distances from 10K to 17 miles offer options for walkers and racers, with aid stations and finisher swag.

Take on Casper Mountain at the Skunk Hollow Sneaker Chase & Backyard Ultra. Choose an about 8 mile two lap trail race or the backyard ultra loop repeated each hour until one runner remains on scenic forest single track with steady climbs.

August 2026

Run through rugged Wyoming Wilderness at El Vaquero Loco on Aug 1, 2026, choosing a challenging 50k or 31k course. This community race supports Star Valley High School track and cross country while showcasing scenic, off road trails.

Tackle a rugged 108 mile trail through the high country of the Wyoming Range, with alpine scenery, big climbs and remote singletrack. This supported ultra tests endurance and navigation as you race to beat a 48 hour cutoff.

Join the Tails and Trails 5K in Cody, Wyoming on August 8 for a scenic, mostly flat run along the Shoshone River with mountain views while supporting Wyo Hoofbeats and Cody Regional Health's animal therapy program. Run, walk or bring your d..

Run the scenic Medicine Bow Rail Trail near Lake Owen in the Snowy Range mountains with marathon and half marathon courses on a gravel route and stunning alpine views. All finishers get a medal and shirt and proceeds support trail upkeep.

Run a challenging 7.1 mile mountain course at Grand Targhee on August 29, 2026, climbing over 2,200 ft and topping out near 9,920 ft. Expect steep technical trails, spectacular views, aid stations, and a competitive field capped at 500.