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Night Crawler Endurance Challenge

  • map marker icon 9301 Casper Mountain Rd, Casper, WY
  • Presented By: Night Crawler Endurance Challenge
  • Dates: August 27, 2021
  • Location: Casper Mountain Trails Center
  • Time: 6:30 PM to 6:30 AM


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Night Crawler Endurance Challenge
Aug 27, 2021 6:30 PM- Aug 28, 6:30AM
Casper Mountain Trails Center
12 Hour Team Relay (2 or 4 person) and solo ultramarathon

Please check the race website from time to time as new updates pertinent to the race will be posted there.

The Night Crawler Endurance Challenge is central Wyoming's only solo ultramarathon and team relay. Run overnight under the light of the moon through the forested trails atop beautiful 8,100-foot Casper Mountain. Run as a solo ultrarunner, or get your fellow night crawling friends together for a 2 or 4-person relay team.
The Night Crawler begins at 6:30 PM on Friday evening (Aug 27) continuing throughout the night and finishes at 6:30 AM on Saturday as the sun rises. Enjoy the camaraderie of our awesome trail running community and the scenery that our mountain gem has to offer. Are you up for the challenge?

There is no such thing as a DNF with this event.
The format of this event allows participants to run the course and rest as they choose. We only ask that you notify race organizers if you are taking an extended break between laps or are done before the finish at 6:30 AM so that we don't have to send a search party out for you. Aside from that have FUN and run as many hours/laps as you can and feel good about it!
Participants DO NOT need to run for the whole 12 hours. You have 12 hours to complete as many laps as you or your team can or chooses to.


For more info go to the race website :
A Huge Thank You to this years Sponsors
Complete Physical Therapy, 307 Running,


Casper Mountain Trails Center – 9301 Casper Mountain Rd, Casper, WY 82601


Online registration closes Tuesday Aug 24 2021 at 11:59pm.
Late registration can be done at packet pick-up Thursday Aug. 26 for an additional $5, (cash or check only). NO RACE DAY REGISTRATION. Questions: Email: RD Justin Kinner:


*Sign up by Aug.1st to guarantee a race souvenir. •Every participant will receive a finisher award. There are no DNF’s with this event! Complete as many miles/laps as you can and feel good about it. Awards ceremony will follow shortly after race finishes in the Start/Finish/Crew area.
• Top overall Female, and Male Solo, and 2 and 4-person relay teams will receive unique awards.


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