Trail Running calendar near Casper 2026-2027

A looped trail event at Glendo State Park focused on night and twilight running, offering 3, 5, 10 and a new 24 hour option. Five loops range from 1.41 to 13.6 miles and all loops start and end at Two Moon Campground.

Trail Mix Run Wyoming features 3 mile and 10 mile mixed-surface trail courses at Mike Sedar Park, plus a 3 mile wheelchair and stroller accessible route and a virtual option with set reporting deadlines.

Multi format mountain endurance event on Laramie Peak starting and finishing at Friend Park Campground. The route is a remote, technical loop of about 9 miles with nearly 3,000 feet of elevation gain per lap and basecamp aid.

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.

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.