Niwot’s Challenge


Apr 09, 2022 at 7:00 AM

Niwot’s Challenge

Niwot's Challenge

Niwot CO,


Entry Fee $0
(Lowest or Early Registration)

Prize Money: no


  • 100M
  • 50M

Type: Ultra

Participant Limit: 35

Percent of the course on un-paved trails: 95%

First Year of the Event: 2013


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.


No photos available.


Past Event Dates

Held on Apr 09, 2022

Event Results