The Big Beast is a one of a kind event for the Western New York region . You will be completing as many laps as possible in a 2, 4 or 8 hour time frame on a course with just over 500 feet of elevation gain covering 1 mile per lap! This is a very technical course designed to test your agility and endurance! Never fear though,  we want to cater to athletes of all skill levels which is why we are offering different time options. There will be a pit/refuel area between the start and finish line along with an express lane if you want to keep moving uninterrupted between laps!  There is a great spectator area so please bring your friends to cheer you on and as usual parking and spectators are always free!

Upcoming Races

Jun 12 2021
8 Hours
Multiple Loop Course
5 Elevation Rating
Mountainous, >12,500 feet in 50 miles
4 Surface Rating
Substantial rocks, roots 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