We offer: a kids race, 5K course, 5 Mile course and a multilap option! We have unique finsher medals for both the 5K (kids get 5K medal) and 5 Mile courses...multilappers receive a wood block with the lap numbers on it and 50K finishers receive a buckle in addition! Social Distancing protocols will still be in place with an open start line format where you can start ANYTIME within a time block... Multilappers (start line open for 5 hours) and 5 Mile course folks between 7am-8am - Multilappers have until 12pm to START their final lap...

Upcoming Races

Mar 21 2021
50 KM
Multiple Loop Course
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts


No Past Races
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information. If you see an error, please let us know

Tommyknocker 12-Hour & Mine Shaft Half

  • May 15, 2021
  • Golden, CO
12 Hours