Trail Running calendar near Casper 2025-2026

We have found 4 Trailruns within 80 miles of Casper. See below where and when you can find the races.

The Sunrise Scramble is an exciting running event designed for those looking to enhance their night running skills. Set at the Two Moons Campground in Glendo, WY, participants can choose from loops ranging from 1 to 13 miles. The challenge is to complete as many loops as possible before sunrise, mak..

May 2025

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. A wheelchair and stroller accessible route is also available for participants. For tho..

July 2025

The Skunk Hollow Sneaker Chase, taking place on July 19, 2025, in Casper, Wyoming, features two exciting events: an 8-mile race and Wyoming's first Backyard Ultra. The 8-mile race consists of two laps on scenic trails, while the Backyard Ultra challenges participants to complete a 4.17-mile lap ever..

August 2025

The Night Crawler Endurance Challenge is an overnight ultramarathon event held in Casper, Wyoming, featuring 4-hour and 12-hour solo running options. Set against the scenic backdrop of Casper Mountain, participants can run through forested trails while enjoying the camaraderie of fellow runners. The..