Trail Running calendar near Ashburnham 2026-2027

Trail races at Mansfield Hollow State Park: a roughly 15.7 mile out and back on the Nipmuck Trail and a new 5K trail loop. Proceeds support Connecticut trail stewardship groups.

Celebrate the switch to summer with a trail race through the landscape of Hebron Connecticut. Choose between three different distances for a run through the woods during the solstice.

Part of the Grit Series, this Dublin NH trail event offers a 10K and a half marathon with substantial elevation gain and views of Mount Monadnock. Registration runs from May 3 to June 6, 2026.

A trail half marathon in Lynn Woods Reservation on June 21, 2026, run as three identical loops over forested singletrack and carriage roads. The event emphasizes environmental stewardship and uses a centralized start and finish at the main..

Muddy Princess Boston is a women only 5K obstacle mud run at Kimball Farm in Haverhill on June 21, 2026. The course has 18 plus obstacles and is open to women aged 7 and up who may run, jog or walk.

A loop-format trail event in Adams, MA where runners choose one, two, or three loops on machine and hand-built singletrack. Proceeds support Thunderbolt Ski Runners' stewardship of trails around Greylock Glen and Mount Greylock.

A three-race summer trail series at West Hill Dam featuring well-marked wooded single and double-track trails, limited fields, age-group prizes, and a portion of fees donated to local food pantries.

A Spartan obstacle race weekend at Carter & Stevens Farm in Barre, MA, featuring a Sprint 5 km with 20 obstacles, a Super 10 km with 25 obstacles, and kids races. The farm venue includes mud, woods, rolling hills and a farm store.

A charity team challenge on June 27, 2026 in Bristol, NH that recreates Special Forces mission tasks. Teams of 6–12 choose Operator or Recruit levels, with awards for top teams, MVPs, fundraising leaders, and participant milestones.

A fifteenth annual trail run in Webb Forest, Sunapee NH on June 28, 2026, covering about 4.5 miles to benefit the Sunapee Middle High School Track and Field program. The course features scenic single-track trails and a raffle of sponsor pri..

A July Fourth run in Springfield VT along the Black River offering 7.4K and 4K distances plus virtual options, benefiting Springfield High School Cross Country. Family rates, on-site packet pick-up, and post-run refreshments are provided.

Notchview Ultra in Windsor, MA runs July 10-13, 2026 on a 1.9 mile loop with multiple time and distance options, an aid station, campsite planning, event SWAG, and proceeds benefiting local organizations.

A multi day team relay at Ascutney Outdoor Center in Vermont featuring 118 miles of trail, single track and switchbacks, camping at Ragnar Village, and team options from two to eight runners with on site amenities and community activities.

A point to point 5K in East Hampton beginning at the Connecticut Draft Horse Rescue with shuttle transport from Center School. Bib pick-up is at Center School gym and awards are presented by age group after the race.

A looped trail 50K at Spaulding Academy in Northfield, NH featuring five 10K technical loops, about 32 miles and 4,000 feet of gain. Ten hour race limit, cupless format, and support for Spaulding Academy & Family Services.

A 12K trail race on the Blue Hills Skyline Trail with about 2,300 feet of climbing, rocky steep terrain, and minimal aid. The route follows Skyline blazes from the Blue Hills Ski Area parking lot and requires participants to carry hydration..

A memorial 5K run and walk at Owen Bell Park in Dayville CT that raises funds for a scholarship for Killingly Ag-Ed seniors. The day includes a 5K, a walk, and a kids fun run on off-road paths with possible trip hazards.

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 loop event in Lawrence Woods within the Middlesex Fells Reservation near Medford, MA. The course is an approximately five mile loop with a minimal aid station; participants commonly set up personal spots near the start and aid are..

A one-mile out-and-back on the Farmington Canal Heritage Trail in East Granby, offered in two waves and hand timed, on crushed gravel. Limited parking and a $25 registration fee; all proceeds benefit charities.