Trail Running Calendar Wyoming 2026-2027

A 5 Km out and back run/walk on Casper Mountain Road Trail near Casper College on February 14, 2026. Prizes include first overall, oldest and youngest runners, and cutest couple; registration and waivers are available at the YMCA.

A multi distance trail event at the Cody Archery Range featuring 1 mile, 6 mile, 16 mile and a 50K ultramarathon. Courses are marked with cupless aid stations, volunteers on course, and finish line beer and burgers for registrants.

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.

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.

Trail races near Laramie, WY, on rugged single- and two-track terrain with **10K** and **25K** options. The event is cupless, offers aid stations and awards, and donates proceeds to Pilot Hill Inc.

Trail races in Sinks Canyon near Lander, WY offering 50 km, 18 km, 6 km and a Kids' 1 km with river corridors, ridge traverses, singletrack, aid stations, and finisher awards.

A two-day mountain trail event near Dayton, WY offering four distances including a 100-mile out-and-back with extensive elevation change and remote technical terrain. Entries are non-transferrable and no refunds after March 31, 2026.

Grand Targhee Wildflower Run takes place July 4 and 5, 2026 with trail races from a 1K kids loop to a 50K mountain course. The event features marked aid stations, a cupless policy, finisher awards and cash prizes for top 50K finishers.

A weekend of mountain trail racing in Teton Village with 50K, 30K and 15K courses across high alpine terrain and views of the Grand Teton. The 50K and 30K include waffles at the Top of the World and awards for top finishers.

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.

Trail event on July 18, 2026 at Casper Mountain Trails Center offering an eight mile two lap race and a Backyard Ultra that repeats a 4.17 mile loop hourly until one runner remains. The loop is forested single track with about 450 feet of g..

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.

A 108 miles point to point trail race in the Wyoming Range with about 24,000 feet of climbing and a 48 hour cutoff. The route follows high mountain trails with long gaps between aid stations and variable high elevation conditions.

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..

A marathon and half marathon on the gravel Medicine Bow Rail Trail near Lake Owen, Wyoming, held at high elevation. The timed races are staffed with aid stations and support trail upkeep.

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..

Trail races across Wyoming’s Red Desert with **50K** and **30K** point-to-point courses from Whitehorse Creek Overlook into the historic South Pass City, featuring river crossings, granite domes, and views of Oregon Buttes.