Trail Running calendar near Stratham 2026-2027

A 21k trail race on Pleasant Mountain in Bridgton, Maine on Sep 27, 2026. The course features technical single track, steep climbs, one aid station, mandatory mountain safety gear, and post race food, beer and live music.

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.

A last person standing trail ultra on a 3.5 mile forest loop in Center Conway, NH, open to all ages and abilities. The event includes a minimal midway aid station, camping option Friday, food on Saturday, awards and participant swag.

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.

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.

A trail 5K in Oxford, Maine starting and ending at Oxbow Beer Garden to benefit Mission Working Dogs, with limited race shirts and a beer ticket for attendees 21 and over.

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.

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 coastal 5K at Hermit Island Campground supporting Marine Mammals of Maine, with timed and untimed in-person runs, a weeklong virtual 5K, a kids 1-mile fun run, raffle, and prizes for top human and canine finishers.

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.

A mountain running event in North Conway, NH on October 17, 2026, featuring two race options on Cranmore Mountain and $7500 in cash prizes. The course uses ski slopes, singletrack, and service roads and includes one aid station.

A six hour weighted trail race in Mansfield, MA on October 17, 2026 where runners complete as many 2.5 mile out-and-back laps as they can, scoring pound-miles called Kz by multiplying lap distance by the weight carried.