Trail Running Calendar Wyoming 2025-2026

Run the Twin Mountain Trudge in Laramie WY on Jan 10, 2026, choosing a ~10.2 mile single loop or a ~20.5 mile double. Thigh deep snow, ice and about 2,000 feet of climbing make this a rugged winter course that demands proper gear and grit.

Run under stars at Glendo State Park in the Sunrise Scramble, a night trail challenge around Glendo Reservoir with a 10 hour timed race plus 3 and 5 hour options. Loop based course offers varied terrain, camping vibe and sunrise finish.

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.

Run Sinks Canyon's stunning trails near Lander Wyoming with options from a rugged 50 km mountain course to a family friendly 1 km kids run. Enjoy wildflower meadows, river corridors and big mountain views on courses for every level.

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.

Celebrate trail running July 4 and 5 at Grand Targhee in Alta Wyoming amid wildflower meadows, high ridgelines and Teton views. Choose from 50K, half marathon, 10K or a kids 1K for all ages and abilities.

Run high alpine trails amid wildflowers in Teton Village, WY at Teton Mountain Runs on July 11 and 12, 2026. Choose 15K, 30K or 50K courses and enjoy tram access, summit views and waffles at the top.

Take on the Laramie Peak Half Marathon in Esterbrook, Wyoming and run a scenic half marathon along Friend Park Road beneath soaring mountain vistas. This July trail event promises challenging terrain and unforgettable alpine views.

Take on Casper Mountain with the Skunk Hollow Sneaker Chase and Backyard Ultra on a scenic 4.17 mile loop with 450 feet of climb per lap. Run an 8 mile two lap race or test your grit in the backyard ultra as runners repeat the loop each hou..

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.

Tails and Trails 5K in Cody raises funds for Wyo Hoofbeats and Cody Regional Health animal therapy. Enjoy a flat, scenic route along the Shoshone River with mountain views as runners, walkers and dogs join the fun.

Run the Med Bow Rail Marathon or Half on August 15, 2026, along the scenic Medicine Bow Rail Trail near Laramie, Wyoming. Enjoy wide gravel trails, lake loops and mountain views while supporting trail upkeep; all finishers get a medal.

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.