Which Marathon is the Hardest
The Barkley Marathons is widely considered the hardest marathon due to its extreme terrain and restrictive rules. Originating in Tennessee, participants face grueling challenges. Competing in the Barkley Marathons means navigating through dense forests, treacherous terrains, and steep inclines, pushing even the most elite runners to their limits. Established in 1986, this unmarked and unassisted…