Trail Running calendar near Princeton 2026-2027

Trail races at Mansfield Hollow State Park with a 15-mile out-and-back on the Nipmuck Trail and a new 5K route; proceeds support Connecticut trail stewardship and the event is organized by Shenipsit Striders.

A family-friendly three-loop course of about 5 km through Natick Community Organic Farm with mixed trail, field and road surfaces. All participants receive a chicken medal and proceeds support the farm’s education and teen programs.

A 5.6 K trail run and walk at Berry Pond in Harold Parker State Forest on June 14, 2026. Walkers and leashed dogs are welcome; prizes are awarded, all entrants receive a bandana, and hotdogs are provided after the race.

Teams are driven blindfolded several miles to an unknown location, then must navigate back to the start by the shortest route. This free team event uses cross country scoring and prohibits GPS, phones, and running on I 95 or I 495.

A morning trail run at Gay City State Park on June 20, 2026, offering 8 mile, 5 mile and 3 mile races. The 8 mile joins regional trail series and includes team competition with prize money.

A trail race at the Dublin School Outdoor Center on June 20, 2026 offering a 10K and a half marathon with significant elevation gain, rugged terrain, and views of Mount Monadnock.

A 5K through Camp Jewell’s roads and wooded trails including a covered bridge, plus a free one mile kids run. Pre entry is $30 before June 6 and increases to $35 afterward.

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-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast C..

TSR Trail Race is a loop-format trail run on June 21, 2026, in Adams, MA, featuring hand and machine built singletrack with climbs, descents, and a gravel meadow loop; proceeds support Thunderbolt Ski Runners' trail stewardship.

Three summer trail races at West Hill Dam in Uxbridge, MA, with well-marked wooded single and double-track courses, limited fields, age-group prizes, and a portion of fees donated to local food pantries.

A Spartan obstacle weekend at Carter and Stevens Farm in Barre Massachusetts featuring a 5 km Sprint, a 10 km Super, kids races, and an obstacle workshop across mud, woods, and rolling hills.

A roughly 4.5 mile trail run in Webb Forest near Sunapee, New Hampshire on June 28, 2026, benefiting the Sunapee Middle High School Track and Field program. The course features mountain vistas, single track and varied terrain, with raffle p..

A 5 mile loop run at the Cumberland Monastery with options to turn back early or add miles after the loop. The meeting point is behind the senior center where two trails join at the dirt parking lot and parking is ample.

A family friendly Independence Day event in Springfield VT offering a mostly flat 7.4K run and a 4K walk along the Black River. Family pricing is available and a $10 virtual option supports the local high school cross country team.

A five-race Monday evening cross country series at Wickham Park in Manchester CT, the 35th edition features roughly 2.4 to 2.6 mile courses, a discounted full-series entry, and proceeds supporting the Manchester High School Shoe Fund.

Notchview Ultra is a multi day running event July 10-13, 2026 in Windsor, MA featuring fixed distance and timed races on a 1.9 mile loop with an aid station, camping logistics, and charity fundraising.

A weekend trail running event in Brownsville Vermont offering a 5 mile Yellow Loop plus timed 6 hour and 24 hour ultra options on technical singletrack and ski run terrain. Camping at Ragnar Village and on-site amenities are available.

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 50K made of five 10K loops on technical forest singletrack near Northfield, New Hampshire. The limited field and looped format bring runners back to aid and the start area each lap while navigating rocks, roots, and steady elevation chang..