Tough Mountain Challenge
Always double-check with the organizer's website! This page may contain affiliate links.
Tough Mountain Challenge
Tough Mountain Challenge is an obstacle adventure race on July 25, 2026, held at Sunday River Resort, 15 South Ridge Road, Newry, ME 04261. The course is approximately 5K and runs over ski trails and wooded terrain, using natural mountain features and custom-built obstacles. The course includes mud, water, walls, and wooded sections. Organizers state the event serves about 3,600 competitors each year. A separate Mini Mountain Challenge is offered for children, with registration opening in the fall.
Additional details
The event uses multiple wave starts. Entry pricing is listed in the range of $125 to $135. Early registrants are offered resort lodging deals, including discounts up to 20% using a promo code provided by the organizers. The event description notes that cold beer is part of the on-site offerings. Registration for the 2026 event is open. Visit the organization's website for the most recent information.
