Trail Running calendar near Windham 2026-2027

Thunder Run is a 5K trail race with more than 20 obstacles through woods and hills in Candia, New Hampshire on September 12, 2026. Organized by Raymond Area Rotary, 100% of proceeds support local and selected international projects.

Three community races at Springfield Dam include a free kids 0.5 mile, a 1 mile Maniac Mile for ages 10 and up, and a scenic 3.1 mile course with trails, food vendors, and family activities.

Pisgah Mountain Trail Races in Chesterfield, NH offers 50k and 23k mountain trail ultraruns on Sunday 9/13/26. Aid stations provide LMNT, Tailwinds, and Untapped and proceeds support New Hampshire Special Olympics.

GBTC XC Invite in Carlisle, MA features youth and Open/Masters cross-country races at Great Brook Farm State Park on September 13, 2026. Distances include a 2K youth race and multiple 5K races; registration runs August 1 to September 11.

Experience the summit of Mount Agamenticus with a 5K or 1 mile trail race. Support local conservation efforts while running or hiking through Maine trails and participate in a raffle for all entrants.

A community 5K trail race in Hooksett that runs from Heads Pond trail through wooded conservation land to the Hooksett Public Library. A separate 0.5 mile kids fun run is available and proceeds support local youth programs.

A trail-based 5K run/walk and a 3K walking route at Mine Falls Park supporting Meals on Wheels of Hillsborough County, with a $30 registration and a 2026 event T-shirt for early registrants.

A community fundraiser in Pomfret Center with a trail 5K and a 0.5 mile kids run supporting the Pomfret Community School PTO. Early and later registration fees differ and awards plus finisher medals are given.

A community 5K in Jaffrey, NH offering a woods trail and a rail trail out and back. Proceeds support the volunteer Jaffrey Firefighters Company and equipment needs of the Jaffrey Fire Department.

A one mile obstacle course in Warren, RI with two giant mud pits, kids play area, food and giveaways. Proceeds support Thrive Outside and its programs to expand youth access to nature.

An 18 mile out and back trail race in New Ipswich, New Hampshire, climbing toward Watatic Mountain Reservation with technical, rugged single-track terrain. Registration opens June 15 2026 and the fee is $55.

Pair up for a three hour endurance relay on a two mile loop of trails and fields. Alternate laps with your partner to accumulate the maximum distance possible in this team based challenge.

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.

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.

A weekend of mountain bike and ultra running at Ascutney Outdoors near West Windsor offering 50 mile and 50 km races, relay options, and kids fun races. Proceeds benefit Vermont Adaptive and event information includes aid stations and campi..

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.