Trail Running calendar near Merrimack 2026-2027

We have found 124 Trailruns within 80 miles of Merrimack. See below where and when you can find the races.

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 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 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..

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.

UltraTrax Cranmore is a single day endurance walk in North Conway where participants choose 7, 14, 21 or 28 miles to complete within 10 hours. Options include carrying 10, 20 or 35 pounds and earning a Grey Wolf medal at higher levels.

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.

Team-based charity challenge in Bristol, NH on June 27, 2026 where teams of 6 to 12 complete Special Forces style stations at Recruit or Operator levels while fundraising supports veterans and first responders.

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.

July 2026

A community 5K in Tamworth on July 4, 2026 that runs from Ordination Rock to Kenneth Brett School over village streets and trails. Entry includes a commemorative gift, ice cream, and a bib raffle while youth under 18 run free.

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 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 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..

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 timed trail event in Lawrence Woods, Medford, featuring a roughly 4-mile loop, minimal on-course aid, and parking at a nearby high school lot. The start and aid station are located in the woods about a quarter mile from parking.

Soapstone Assault is a 5.5 mile trail race in Somers, CT organized by Shenipsit Striders, featuring six ascents and about 1,500 feet of climbing. The course has steep, rocky sections, limited aid access, and the field is capped at 50 runner..

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.

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