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Tough Mountain Challenge

Newry, United States • 25 Jul 2026

Tough Mountain Challenge

The Tough Mountain Challenge is an obstacle course event held at the Sunday River Resort in Newry, Maine. Since its inception in 2010, the event has utilized the natural terrain of Western Maine to create a course across ski trails and wooded areas. Participants encounter a combination of natural mountain features and custom-built obstacles.

The event features a 5K obstacle course distance. The course is designed to incorporate mountain terrain, mud, and water elements. Participants have the option to enter various waves starting throughout the morning and midday.

Available distances:

  • 5K obstacle course

The event takes place at 15 South Ridge Road. Registration typically opens a year in advance, and the registration fee varies depending on the selected wave. The course is set specifically within the landscape of the Sunday River Resort, utilizing the specific elevation changes and wooded sections found on the mountain. Visit the organization's website for the most recent information.

United States Maine Newry

Race information

Website
5 km
Visit the organization's website for the most recent information.
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