Trail Running calendar near Merrimack 2026-2027

A trail relay in Mine Falls with a dressed rubber duck as the baton, offering a two person 5 Mile relay and a two or three person 5K relay. Entry is free and donations support the Humane Society of Greater Nashua.

A 118-mile team trail relay on July 10-11, 2026 at Ascutney Outdoor Center in Brownsville, VT, featuring single-track trails, camping at Ragnar Village, glamping options for some teams, and village activities like bonfires and food trucks.

A 50K trail ultramarathon made of five 10K singletrack loops through the Spaulding Academy grounds in Northfield NH, with on course aid, drop bags, and a strict eight hour cutoff for the final lap.

An old school 12K trail run at Blue Hills Reservation with about 2,300 feet of climbing over rocky, steep terrain and staircase sections. Minimal aid and a 150 participant limit mean participants are expected to carry hydration.

Experience a four part summer trail series at the Dublin School Outdoor Center. Run a scenic 5K loop featuring singletrack and rolling terrain while supporting local charities and community needs.

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 run in Lawrence Woods, Medford, MA on July 18, 2026. The roughly four mile loop has minimal aid and space for participants to set up personal stations near the course.

A trail race at Soapstone Mountain in Somers, CT featuring a 5.5 mile loop with six ascents, a cupless water stop, a 50 runner cap, and course sections that can be steep and rocky; organized by the Shenipsit Striders.

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..

Muddy Dash Boston is a family-friendly 5K mud run at 508 INTL Adventure Sports Center on August 1, 2026, with obstacles, mud pits and slides, plus a pre-party and an after-party with music and food.

A 12 km trail run on the Oak Hill XC and Trescott Trails in Hanover, NH on August 1, 2026, featuring rolling singletrack, about 1,446 feet of climb and on-course support; pre and day of registration options are available.

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 four mile beach run at low tide on Nantasket Beach in Hull, Massachusetts. The out and back course starts near the Mary Jeanette Murray Bath House and raises funds for Hull Boosters and The Emma Ryan Memorial Fund.

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.

Lover's Lane in Chester VT is a time-based trail running event on August 8, 2026, offering six or twelve hour options on a 1.8 mile loop with 280 ft elevation per lap. Basic aid and food are provided and proceeds support local 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..