July 25, 2026
Registration
Spots won't last. Will you?
Lock in 2026
Clock's Ticking, Mud's Calling
Want a prime heat? Better move—early spots go faster than your grip on a muddy wall.
Tough Mountain Challenge
Registration for Ages 13+
From $125
Participants at the Tough Mountain Challenge at Sunday River Resort, in Newry, Maine, climb up the side of a trail covered with water, tires, and rope during the obstacle course.
2026 Lodging Deal
Early registrants get exclusive access to Tough Mountain lodging deals. Why? Because you didn’t wait around like a maybe. You committed. You’re in. Now enjoy the perks.
Save up to 20% on resort lodging on Tough Mountain Challenge weekend using promo code TMC.