Trail Running Calendar Wyoming 2026-2027

Backyard Laramie on April 18, 2026 is a free backyard ultra at Pilot Hill Recreational Trailhead where runners repeat 4.17 mile gravel loops hourly until one remains; donations support local trail maintenance.

A nonprofit, untimed 3 miles mud run in Jackson, Wyoming on April 18, 2026, organized by Community Entry Services. The event promotes playful participation, suggested donations, and offers a hot tub, snack and towel at the finish.

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..

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.

A historic trail race near Laramie offering a rugged 25K and a new 10K option, scenic summit views, two aid stations, and a cupless format. Proceeds support Pilot Hill Inc.

Sinks Canyon Trail Races in Sinks Canyon, Wyoming offer 50 km, 18 km, 6 km and a Kids 1 km. Routes run through meadows and forest singletrack and follow the Middle Fork of the Popo Agie River with views of the Wind River Mountains.

A remote multi-distance ultra in the Bighorn Mountains on June 19 to 20, 2026, featuring over 20,500 feet of ascent and long backcountry sections. All distances are currently full and wait lists are maintained.

Experience world class ridgeline running at the Wildflower Run with four trail distances ranging from a kids 1K to a 50K ultra through fields of mountain wildflowers.

Experience trail running in the Bridger Teton National Forest with races ranging from 15K to 50K. Runners enjoy views of the Grand Teton and mountain wildflowers while spectators utilize local gondolas to follow the action.

A mountain running event near Douglas WY with 24-hour, 12-hour, and single-summit options on a rugged, technical 9 mile lap that gains nearly 3,000 feet. Basecamp aid provides food and crew access and medical staff are on site.

Trail races of 10K, half marathon and 17 miles follow the Bear River greenway and park trails in Evanston, Wyoming. Courses run through river bottoms, pass park wildlife and offer upland views of the Uinta range.

On July 18, 2026 in Casper, WY, the Skunk Hollow Sneaker Chase offers an 8 mile trail option and a Backyard Ultra on a 4.17 mile loop, with parking and festivities at Casper Mountain Trails Center.

Experience the rugged beauty of the Wyoming wilderness at El Vaquero Loco. Run through the western landscape on technical trails to support local high school athletic programs.

A 105.7 mile point to point mountain ultramarathon in Bridger Teton National Forest with 24,000 feet of elevation gain and a 48 hour cutoff. The route runs north along the Wyoming Range then west into the Salt River Range and includes GPS f..

The Tails and Trails 5K is a community event supporting animal therapy, featuring a flat course through Cody along the Shoshone River. Participants can run or walk with their dogs on August 8, 2026.

Run moonlit singletrack on Casper Mountain at the Night Crawler Endurance Challenge, an overnight time based event with 4 and 12 hour solo and 12 hour relay options. Finish with volunteer made hot breakfast and awards in central Wyoming.

A marathon and half marathon on August 15, 2026 at Lake Owen in the Medicine Bow National Forest. Routes run on the 21 mile Rail Trail at high elevation and support trail upkeep.

A pair of trail races at Curt Gowdy State Park near Cheyenne on August 22, 2026, featuring 4 mile and 8 mile courses through aspens and pines with elevation rising from about 7,300 to 7,700 feet.

Experience high alpine mountain running at Grand Targhee with a 7.1 mile course featuring over 2,200 feet of vertical gain and summits reaching nearly 10,000 feet.

Run the Red Desert is a trail race on September 26, 2026 in Wyoming’s Northern Red Desert offering 30K and 50K courses from Whitehorse Creek to South Pass City. It coincides with Wyoming Public Lands Day and highlights conservation of the l..