Night Crawler Endurance Challenge

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. The event fosters a supportive atmosphere where participants can rest between laps in a communal start/finish area equipped for tents and hammocks.

The flexible format allows runners to complete as many laps as they choose within their time limit, with no official DNFs. Awards are given to top finishers, and all participants receive finisher recognition. Visit the organization's website for the most recent information.