Trail Running Calendar Massachusetts 2025-2026

We have found 27 Trailruns in Massachusetts. Check below where and when you can find the races.

Join the Mount Hood Nutcracker Challenge in Melrose for a festive 3.5 mile cross country race or 2 mile walk on the Mount Hood golf course. Enjoy nutcracker trophies, pasta lunch and fundraising for local families and Melrose High XC.

Seth’s Fat Ass 50K at Forest Park in Springfield on December 20 invites runners to tackle between one 5K loop and the full ten loop 50K in a festive, low key winter setting. Enjoy scenic roads and trails, event swag and a seven hour limit.

January 2026

Join a friendly, informal 5 to 10k run or snowshoe on a roughly 10k course with loaner snowshoes available. Bring a spare pair to share, enjoy light refreshments, and team up for bragging rights and a shared baked treat.

February 2026

Tackle the TARCtic Frozen Yeti at Hale Education in Westwood MA on Feb 7 and 8 2026 with a 30 hour challenge or a 15 mile looped race. Expect well marked winter trails, regular aid and proceeds supporting land conservation.

March 2026

Join Ramsey's Run in Kingston MA on March 14, 2026 for a scenic 5k trail run through the woods, timed by a professional company. Honor a class of 2023 member and support a family scholarship with every entry.

Run scenic singletrack loops around ponds and woodlands at Hale Education in Westwood, with a 6 hour endurance option or a 3.5 mile loop. Bring your own bottle for this cupless event and enjoy a laid back aid station at the start.

April 2026

Join the Tortoise and the Hare Trail Races in Salisbury on April 4, 2026 for trail 10K, 5K and a fun 1 Mile Color Run. Enjoy custom tech shirts, post race music and snacks while supporting Salisbury Parks and Recreation.

The Merrimack River Trail Race is a USATF-sanctioned 10-mile out-and-back trail run held in Andover, Massachusetts, starting from the DoubleTree by Hilton Hotel parking lot. The course features water stations at miles 2, 4, and 8, with a mi..

Hit the trails at Wompatuck State Park in Hingham MA with 5K, 5 mile and 8 hour lap options for all abilities. Expect muddy April trails, on course aid and a community feed, with registration closing April 10 and a 50 runner cap for the 8 h..

Run the TARC Spring Classic at Jericho Town Forest on April 26, 2025, choosing distances from 10K to 50K plus a free youth fun run. Enjoy a smooth, relatively flat looped trail with one aid station offering vegan friendly options.

May 2026

Tackle the scenic Seven Sisters Trail Race in Amherst, MA on May 2, 2026, an out and back along the Holyoke Range ridgecrest. This rugged 12 mile course delivers steep climbs, rocky singletrack and over 3,500 ft of elevation for a thrilling..

Take on the Dandelion Dash 5K or the Mushroom Mile on The Hartsbrook School trails, with a virtual option available. Muddy, scenic terrain and proceeds support the school's Land Stewardship program.

Hit the trails at the Cape Cod Trail Race on May 3, 2026, with 10K, 20K and 30K options through the scenic Frances A. Crane Wildlife Management Area. Register soon for a community focused day of challenging trails and postrace camaraderie.

TARC Wapack and Back is a rugged trail race along the Wapack Trail in Ashburnham offering 21.5, 43 and 50 mile options. Expect technical rocky singletrack, big climbs and limited entries so register early for a backcountry challenge.

Run the Free Spirit 50K in Leyden, Massachusetts and enjoy a scenic New England ultramarathon. The course follows dirt roads past historic farms, leafy woods and an 1870s covered bridge for a rewarding, challenging day.

Experience the 9th annual Wildcat 5K Trail Run, Walk and Wag on May 30, 2026 in Boxford, a scenic 5K around Stiles Pond through Wildcat State Forest. Runners, walkers and their dogs will enjoy trails, prizes and a festive post race celebrat..

June 2026

Run a scenic 3 mile trail through farm fields and finish among the vineyard rows at Westport Rivers Vineyard and Winery. Celebrate after with wine, music, BBQ and a souvenir glass for a festive postrun party.

Explore rugged singletrack and an old railroad bed on a tough 5 mile loop at the Flat Rock Trail Race in Dunstable MA. Proceeds benefit the Humane Society for Greater Nashua and runners can repeat loops for up to six hours.

July 2026

Notchview Ultra invites runners July 10 to 13, 2026 in Windsor, MA, offering formats from 100.7 miles down to 6 hour on a scenic 1.9 mile loop. Enjoy frequent aid, camping, swag, and proceeds supporting local conservation.

August 2026

Join the Sweltering Summer Ultra, an 8 hour track challenge at Clapp Park in Pittsfield where runners and walkers lap a cinder loop and hit a marathon split. Chip timing, live leaderboard, refreshments and awards support the AYJ Fund.