Trail Running calendar near Casper 2025-2026

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.

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.