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Tough Mountain Challenge

Name: Tough Mountain Challenge
Start: 2026-07-25
End: 2026-07-25
Location: Newry

Newry, United States • 25 Jul 2026

Tough Mountain Challenge

Tough Mountain Challenge is an obstacle-course event taking place on July 25, 2026 at Sunday River Resort in Newry, Maine (15 South Ridge Road, 04261). The event runs multiple waves of a 5K obstacle course across the day.

The course runs across ski trails and wooded terrain and uses natural mountain features. Organizers include a variety of custom-built obstacles and sections that commonly involve mud. The event has been held in Western Maine since 2010.

Participants should expect outdoor mountain terrain and built obstacles that follow the resort landscape. The schedule is organized into successive waves, each covering the same 5K course layout. Logistics such as wave times, registration details, and fees are set by the organizer and vary by wave. 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.

Trail runs nearby

Thu - Thu May-Oct 21-15

Nomad Trail Race Series

Norway

3 mi

A six-race trail series across Oxford Hills preserves from May to October, with each course about 3.1 Miles. Season preregistration is $72, single races $15, and student races are $5 each.

Saturday Jun 20

Race the Cog

Mount Washington

3 mi

6 mi

A mountain trail race from the Mount Washington Cog Railway base to the summit in Bretton Woods, NH, with a 2.75-mile summit option (train descent) or a 5.5-mile roundtrip.

Saturday Jul 25

Baldface Scramble

Chatham

14 km

29 km

Two trail race options in Chatham, NH that cross the Baldfaces and include exposed ledges and steep climbs. Runners must carry mandatory mountain gear and meet experience qualifications.

Sunday Jul 26

Scribners Mill 5k

Harrison

5 km

A 5 km trail race at Scribner's Mill on the Crooked River in Harrison, Maine. Pine-lined singletrack and river views, with proceeds supporting Loon Echo Land Trust.