Trail Running calendar near Merrimack 2026-2027

We have found 141 Trailruns within 80 miles of Merrimack. See below where and when you can find the races.

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 trail run in Bedford, New Hampshire on July 30, 2026 offering separate 5 km categories for adults, youth, and kids. Online registration is available and participants can add donations or purchase merchandise to support the Rotary Club of..

A three day 75 mile stage race around Lake Sunapee with an added 50K point to point option. Technical trails, organized overnight camping and aid stations, duffel transport, and published prize money for 2026.

August 2026

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.

TARC Summer Classic at Noon Hill Reservation features a mostly forested 10 mile loop with singletrack, gravel and a scenic vista. The event offers 10 mile, 50K and 40 mile options and includes mandatory trail briefings and finish time limit..

A 6 hour or 12 hour fat-ass trail event on a 1.8 mile loop near Chester town park, with 280 feet of climb per loop. Basic aid and food are provided and proceeds benefit local recreation and recovery organizations.

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 distance trail event in the White Mountain National Forest near Waterville Valley, New Hampshire held August 14 to 16, 2026. Races include 100 mile, 50 mile and 20 mile routes with substantial elevation gain and mandatory mountain g..

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 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.

A 4.61 mile trail race at Moody Park in Claremont NH featuring narrow single track, wet sections and a steep drop and climb at Gravity Cavity. The event is part of the Western NH Trail Running Series and benefits the local parks department.

A timed 5K at Brimfield Winery on August 15, 2026, run on a mostly grass cross country style course. Registration options include a standard 5K with a postrace wine pour and a volunteer plus run option.

A scenic trail 5K on Wanakee’s 227 acre site in the White Mountains and Lakes Region of New Hampshire, held during Wanakee Homecoming. Proceeds support a camp scholarship fund and facility improvements.

Experience a scenic trail run through Vineyard Hill Reservation and Bradley Palmer State Park. Choose between 5 km and 10 km distances on a rolling course featuring wide trails and the open landscapes of Shaw Field.

A trail ultramarathon at Prospect Acres Ranch where runners complete repeated 2.2 mile laps in 2, 4, or 8 hour formats. Field camping is available Friday evening and registration is $40 with proceeds supporting future events.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.