An endurance challenge refers to a type of hiking accomplishment that tests stamina as a primary objective. They are often are objectives that require over 20 miles of hiking with excessive elevation gains and must be completed within 24 hours. Trail running challenges and ultra marathons generally fall under this umbrella. The North East Ultra 8 is a hiking challenge that requires completing 8 of the major endurance challenges on trails in the Northeastern United States.

A painting of a trail runner competing in an ultra marathon race on a dirt trail