Trail Running calendar near Casper 2026-2027

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.

A backcountry mountain running event from Friend Park Campground offering 24-hour, 12-hour, and single-summit formats on a rugged ~9-mile lap with ~3,000 feet of vertical gain. Basecamp aid and on-site medical support are provided.

Trail running event in Casper, WY on July 18, 2026 offering an 8 mile two-lap race or a Backyard Ultra last runner standing format, with all operations at Casper Mountain Trails Center and limited race souvenirs for the first 75 registrants..

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.