Trail Running Calendar Massachusetts 2026-2027

A Stadion 5K obstacle race at Fenway Park on Nov 07 - 08, 2026 with 20 obstacles, a kids race, and spectator access; the course uses the clubhouse, Green Monster area, and finishes at home plate.

Experience a classic New England trail event at Willowdale State Forest featuring multiple distances from 10K to 100K. Run through rolling terrain on a course celebrated for its community spirit and long history.

A backyard ultra at Kenty's Farm on a 4.1666 mile loop where runners repeat hourly laps until one remains. Timed options of 6, 12 and 24 hours and single-lap entries are also available.

Push your limits on the scenic wooded trails of Wright Locke Farm with the TARCkey Trot, a 6 hour timed event run on a repeated 5K loop. Bring your own cup and register online early as day of registration is not offered.

TARC Winter Classic offers 8 32 and 40 mile trail races on the rugged Middlesex Fells Skyline Trail with roots, rocky climbs and occasional Boston skyline views. Affordable entry and proceeds support land conservation.

Celebrate the twentieth anniversary of this unique cross country race held at the Mount Hood Golf Club. Choose between a competitive three and a half mile run or a festive two mile walk through hilly terrain.

Experience a winter trail challenge at Hale Education featuring 15 mile and 30 hour options. Navigate three unique loops through the Massachusetts woods while testing your endurance and self reliance in cold weather conditions.