Trail Running calendar near Hamilton 2026-2027

A backyard ultra around Portland s Back Cove Trail on July 11, 2026. Participants run repeated 4.16 mile loops each hour with two aid locations and on site support until a single runner remains.

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.

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.

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 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 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..

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 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 seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.

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.

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 5 km run in Derry, New Hampshire on August 8, 2026, with adult and kids categories and online registration closing August 7, 2026.

Trail races of 5k and 10k take place on KCT trails and finish at the headquarters with music, food and a beer tent for a family friendly festival.

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 chip-timed 5K run/walk at Brimfield Winery on a two-lap grass course with hills, race swag, a wine pour, and age group awards; a one-lap 1.5 mile division is available.

Wanakee Wilderness 5K on August 15, 2026 is a trail run across 227 acres of hills and woodland valleys in the White Mountains and Lakes Region of New Hampshire. Proceeds support the camp scholarship fund and the day includes a Homecoming BB..

A family friendly 5K on the Webb Forest trails organized by Wilmot Learning Place, featuring a signed course, water stations, timing for runners, post-race recognition, and nearby parking with overflow at local fields.