Trail Running calendar near Brattleboro 2026-2027

Trail races at Bear Brook State Park near Allenstown, NH featuring a variable-distance ultramarathon and a measured half marathon. The course is GPX only with minimal markings and runners must carry their own water containers.

A group run along the Farmington Canal Heritage Trail covering roughly 56 miles from West Suffield to New Haven, held as a fundraiser for Mental Health Connecticut. The event is largely self supported with basic volunteer aid stations and a..

A Keene State College alumni cross-country meet on 09/12/2026 at the Keene State Athletic Complex featuring a men's 5K and a women's 2 Mile race; registration runs 09/06 to 09/12 with a $25 fee per event.

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 events at the Springfield Dam on 09/12/2026 include a kids 0.5 mile, a one-mile Maniac Mile for ages 10+, and a 3.1 mile trail run with views of Mt. Ascutney. Food vendors and family activities are planned.

A trail race day at Pittsfield State Forest with 50k, 25k, 15k and a new 5 mile option, a double-loop course with three aid stations and charity fundraising through BURCS and Free to Run.

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.

A USATF New England Cross Country Grand Prix meet at Great Brook Farm Ski Touring Center in Carlisle, MA on September 13, 2026, featuring a youth 2K and several 5K races across open and masters categories.

Sep 19-20, 2026 in Killington, VT: Spartan obstacle races across steep, off-trail terrain in the Green Mountains. Events include Sprint 5 km, Beast 21 km, Ultra 50 km and kids races; tickets start from $29.

Experience a scenic run through wooded conservation trails finishing at the Hooksett Public Library. This community event features a 5K trail race and a half mile kids fun run to support local youth programs.

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 5K trail run at Winding Trails in Farmington on the designated course around Walton Pond, with registration from February 20 to September 20 and a $35 fee; overall and age-group awards plus a prize for the first local finishers.

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.

An 8.5 mile trail race at Merck Forest and Farmland Center in Rupert, VT featuring about 1,800 ft of climbing and two aid stations. A 0.75 mile kids loop circles the farm and all proceeds support Merck Forest and Farmland Center.

An inclusive multisport festival at Pawtuckaway State Park on 09/26/2026 offering a 0.4 mile swim, 5.5 mile trail bike and 3 mile run in single sport, two sport, relay or full triathlon formats. No chip timing; safety gear is required.

A trail based 5K obstacle course race at Wasserman Park on September 26, 2026, featuring 12 or more beginner to intermediate obstacles. Entry is limited to 200 participants and the fee is $40.

A weekend of endurance mountain biking and trail ultrarunning at Ascutney Outdoors in West Windsor Vermont, offering 50 mile and 50 km solo races, multiple relay formats, and kids fun races. Proceeds support Vermont Adaptive.

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 featuring a 5K, a 10K trail run, and a 1-mile kids fun run, with educational displays and proceeds supporting LP&CT's conservation and education programs.