Niwot’s Challenge

Description:

Niwot’s Challenge is a very difficult, grass-roots, ultramarathon in Colorado’s Front 11147089_796942100402340_1305977973634935207_nRange. It is modeled after the arduous Barkley Marathons in Tennessee and the historic More and More Difficult 50K in New Hampshire. Much of the information for this event is kept secret until event week. This is done for a variety of reasons pertaining to the safety of the events participants and for the preservation of the event. If you want to know more.. you’ll just have to sign up.