Night Crawler Endurance Challenge

Event Details

Join us for the Night Crawler Endurance Challenge, taking place on Friday, August 22, 2025 at 6:30 PM at 9301 Casper Mountain Rd, Casper, WY. This challenging ultramarathon allows participants to run solo through scenic trails overnight.

Format & Rules

This year, we will only be offering the 4-hour and 12-hour solo options. The race starts at 6:30 PM and continues until 6:30 AM the next morning. Participants can set up a tent or hammock and take breaks between laps.

There is no DNF (Did Not Finish) in this event; as long as you complete as many laps as possible within your selected time frame, you are a finisher!

Registration

Online registration closes on August 20, 2025, at 11:59 PM MT. Late registration can be done at packet pick-up on August 21, 2025 for an additional fee.

Awards

Each participant will receive a finisher award, and unique awards will be given to the top overall male and female participants for both the 4hr and 12hr categories.

Contact

For questions, email the race director, Justin Kinner, at [email protected].