Trail Running calendar near Brookline 2026-2027

Trail races in Hartford, Vermont, through the Hartford Town Forest and Conservation Area. Courses mix logging roads, packed trails, and single track, with a 5K mostly downhill and a 10K that earns Western NH series points.

A 12 hour trail event in Lawrence Woods, Middlesex Fells Reservation near Medford MA on July 18, 2026. The course is a roughly 5 mile loop with a minimal aid station and parking at the nearby high school lot.

A 1 mile out and back on the Farmington Canal Heritage Trail with a crushed gravel surface and hand timing. Held July 19, 2026 in East Granby in two waves with limited parking; proceeds benefit charities.

A 5.5 mile trail race at Soapstone Mountain with six steep ascents, a cupless water stop, strict parking limits and online registration capped at 50 runners; the course is technical and not recommended for novices.

A roughly 3.8 mile trail race at Kingman Farm in Madbury, NH on July 26, 2026, featuring rolling nordic style paths and switchback singletrack; proceeds support the Doug Flutie Jr. Foundation for Autism and day of registration is available.

A 3.1 mile lap race at Chris Lewit Tennis Academy near Manchester, Vermont, held on wooded trails beside the West River. Net proceeds support veterans charities and all racers receive a free T shirt; family activities include river swimming..

A community trail run in Bedford, New Hampshire on July 30, 2026 featuring a 5 km course with age-based categories and fees, online registration with a noon deadline, and options to donate or buy merchandise to support the Rotary Club of Be..

A multi-day 75-mile stage race and a point-to-point 50K on the Sunapee Ragged Kearsarge Greenway featuring technical single-track, significant elevation gain, on-course aid stations and transported overnight gear, plus a $35,000 prize purse..

A few miles of mud and about a dozen muddy obstacles at the 508 INTL Adventure Sports Center in Charlton, MA on August 1, 2026. Race entries include a finisher medal and festival access, with VIP upgrades and a Buy One Give One donation pro..

A 12 km trail race on August 1, 2026 in Hanover, NH, using Oak Hill XC and Trescott Trails with 1,446 ft of climbing. The event offers pre-registration and race-day entry with course support and timing services.

A community fundraising day in Groton, MA on August 5, 2026 featuring an 8.4 mile three-person relay, kids single-loop race and Little Lambs mini runs, followed by barbecue and activities, with proceeds to six local charities.

A seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.

A trail event at Noon Hill Reservation in Medfield offering a 10 mile loop plus 50K and 40 mile ultra options, mostly singletrack with roots, rocks, and a scenic Noon Hill vista; proceeds benefit The Trustees of Reservations.

Timed 6 or 12 hour running event on a 1.8 mile loop with varied trail surfaces and 280 feet elevation per loop, held at Chester town park with basic support and on-site park amenities.

The 15th Annual 5k Race to the Ledges in Concord, NH on August 8, 2026 features a short road and trail course and includes post-race brunch boxes to take away. Registration includes an adult 5 km entry and a free kids 5 km for ages 6 and un..

A community 5K on August 8, 2026 at Pinkerton Academy in Derry, NH featuring a campus-and-trail course; runners and walkers of all ages are welcome and proceeds support the Pinkerton Fund to benefit students.

KCT Trail Fest 2026 in Kennebunkport, ME offers a 5k walk or run and a 10k run on August 9, 2026, with courses on local trails and a finish-area gathering that includes music, a beer tent, food and family games.

A multi day timed trail event on a Winchendon farm using a roughly two mile loop. Runners choose from six hour day or night, 12 hour, 24 hour, or 48 hour formats under the Sturgeon Moon.

A community potluck and trail run in Tolland, CT on August 15, 2026. Participants run 5K loops during an eight hour period, earn raffle tickets per loop, and receive a 50th anniversary gift after completing a loop.

A 5K off-road trail run, walk, and hike at White Barn Farm through Wrentham conservation land. The event is part of the Farm to Trail 5K Series and raises funds to support local agriculture and food pantry donations.