Trail Running calendar near Merrimack 2026-2027

Trail races at the Assabet River National Wildlife Refuge in Sudbury MA include a 10K, a 30K and a 6 hour timed event. The course uses dirt and gravel double track trails with two aid stations and cupless fueling.

A community run at Shedd Park on September 27, 2026, featuring a 5K run or walk, a 10K trail run, and a 1 mile kids fun run to support local conservation and education programs.

Last person standing trail ultra in Center Conway, NH on a 3.5 mile forest loop with camping, meals, swag and a beer mile the following day.

A 25K trail race at Edwin L. Smith Preserve in Kennebunkport, Maine, benefiting the Kennebunkport Conservation Trust with registration capped at 100.

A timed trail ultra in Cumberland RI offering 8 hour, 12 hour, and 34 hour options for individuals and teams up to four. The 4.2 mile loop mixes smooth trail and moderately technical rocky sections.

An annual 5K cross country run or walk in Franklin Park supporting Boston Latin School Athletics. Team registration is new for 2026 and fees are tiered with free entry for BLS students.

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

A 26.4-mile trail marathon in Ashford, CT, on the Nipmuck Trail featuring rocks, roots, mud, and wood bridges, with a two-person relay option and race shirts available before September 12.

Keene Family YMCA Fall Foliage Trail Races feature 5K and 10K trail courses starting and finishing at the Keene YMCA, with chip timing, age-group prizes, and proceeds supporting YMCA programs and access.

Trail running at Tibbetts Field in Madbury includes a 5K and a 1 mile fun run over natural terrain through Powder Major Forest, with proceeds supporting youth recreation scholarships.

A 5K run and fitness walk at Highland Park in Attleboro on October 4 2026. The traffic free grass course uses two laps of a 1.55 mile loop and includes a kids 100 yard dash plus a virtual 5K option.

Trail races at Houghton's Pond in the DCR Blue Hills Reservation follow rolling dirt roads and forest paths with rocks and roots. Two distances are offered, about 7 miles and 3.7 miles, with notable elevation change on each course.

Experience the peak of New England autumn on a journey through the mountains and fields of central Massachusetts. This trail event offers three distances crossing state borders for runners seeking adventure on the Midstate Trail.

A community run on October 10, 2026, organized by the Lebanon Recreation, Arts, and Parks Department, following the Rail Trail from Enfield along Mascoma Lake and the Mascoma River to a finish in Lebanon. Fees change before race week and pa..

On October 11, 2026 the HFC Striders Cross Country Festival returns to Wayland for its 20th running, featuring 3K youth races across age groups and two 5K open races, with awards and proceeds benefiting Wayland High School.

A rugged trail race at Pawtuckaway State Park featuring technical terrain, boulders, streams and a rocky climb. It offers a half marathon and a 5 mile option and lists $7500 in prize money for 2026.

A community 5K and 1 mile fun run on October 11, 2026 supporting Unified programs at Beckwith and Dighton Middle Schools. Fees vary by registration period and registered runners receive T-shirts and awards for top finishers.

A time-based event in New Salem MA offering 12 hour and 24 hour run or walk options around the town common on October 11, 2026.

Experience a point to point trail race in Northeast Connecticut on the Airline Trail. Choose between marathon, half marathon, and 10K distances with individual or relay team options to support local student education.

A multi format trail event on the Granite Town Rail Trail in Brookline and Milford NH on October 17 and 18 2026, featuring 7.5 mile relays, 15 mile and 30 mile races and a 30 hour ultramarathon. Proceeds support local trail conservation.