A flat course that has potential for a distance or time personal best with fantastic views. Watch for Orcas, seals, sea lions, and bald eagles. The goal is to have fun! Add to your Marathon Maniacs/Half Fanatics tallies, train with others, and maybe even set a PB for time or distance.. Times will be recorded on Ultra Signup. After costs all proceeds will be given to charity! 


50 KM View course top times

Date Finishers Top Result Top Result (F)
02/02/20 20 3:17:55 4:42:05
02/03/19 21 4:03:38 5:27:06
02/04/18 16 4:31:35 4:37:05
02/07/17 24 3:28:40 5:19:15
02/07/16 22 4:28:33 5:17:37
01/31/15 25 4:10:36 4:58:43
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