Trail Running calendar near Casper 2025-2026

We have found 3 Trailruns within 80 miles of Casper. See below where and when you can find the races.

The Trail Mix Run Wyoming is an exciting mixed surface running event taking place in Casper, Wyoming, featuring 3-mile and 10-mile courses that include challenging hills, spring creeks, and often muddy conditions. There is also a 3-mile route that is wheelchair and stroller accessible, welcoming wal..

July 2025

The Skunk Hollow Sneaker Chase & Backyard Ultra takes place at Casper Mountain Trails Center in Casper, Wyoming. The event offers two race options: an 8-mile run consisting of two 4.17-mile laps, and Wyoming's first true Backyard Ultra, where runners complete a 4.17-mile loop every hour until only o..

August 2025

The Night Crawler Endurance Challenge is a unique overnight solo ultramarathon held on Casper Mountain in Wyoming, featuring 4-hour and 12-hour race options. Set at an elevation of 8,100 feet, runners traverse forested trails starting from the Nordic stadium near the Casper Mountain Trails Center. T..