Trail Running calendar near Hamilton 2026-2027

A community 5K in Hillsborough, NH on September 20, 2026, organized by the Hillsboro Fire Department. The off-road course may be uneven and strollers are not recommended; registration runs March 25 to September 19 with a $30 fee.

The Arc'teryx Run Boston will take place in Milton on Sunday 20 September 2026. You can run 10 kilometers.

A women only 5K obstacle mud run at Carter & Stevens Farm in Barre, MA on September 20, 2026. The course has 18+ obstacles, welcomes participants ages seven and up, and emphasizes teamwork over competition.

A 5K trail run at Goddard Park in Warwick, RI on September 26, 2026, with a bayside course and start and finish near the golf course clubhouse. Open to all ages, with published entry fee tiers and on site parking and facilities.

Trail races on maintained local trails in Arundel, ME offering 5k, 10k and half marathon options, plus a kid's bike race, participant medals and shirts, live music and food.

A multisport festival at Pawtuckaway State Park offering swim, bike and run options for people who identify as women. Choose an individual triathlon, two sport combo, single sport or a relay team in a non competitive setting.

A trail-based 5K obstacle course at Wasserman Park on September 26, 2026, featuring 12+ beginner to intermediate obstacles. Entry is limited to 200 participants, costs $40, and early registrants receive a race shirt and finisher medal.

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 in Lowell offering a 5K, a 10K trail run, and a 1 mile kids loop, with trails, on-course support, family activities, and proceeds benefiting local conservation and education programs.

A 25 kilometer trail race through the Edwin L. Smith Preserve in Kennebunkport, Maine on October 3, 2026. Proceeds support the Kennebunkport Conservation Trust and registration is limited to 100 entrants.

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.

A one-mile community event in Gilford, New Hampshire on October 4, 2026, with categories for adults, youth, and children and a complimentary shirt for those who register before September 16.

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.

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.