Trail Running calendar near Brookline 2025-2026

We have found 52 Trailruns within 80 miles of Brookline. See below where and when you can find the races.

The Nipmuck Trail Marathon, taking place in Ashford, CT, is a challenging 26.4-mile race that showcases the rugged beauty of the Nipmuck Trail. Participants can choose between the full marathon or a relay option, where two runners split the course. The race features a variety of terrains, including..

The Trust Trail Fest is an exciting running event hosted by the Kennebunkport Conservation Trust, featuring 5k and 10k races on scenic forest trails. Participants will enjoy a festive atmosphere at the KCT headquarters, complete with music, a beer tent, delicious food, and family-friendly games. The..

The Groton Town Forest Trail Races, organized by the Squannacook River Runners and Groton Trails Committee, feature two scenic courses of 9.5 miles and 3.4 miles through the picturesque Groton Town Forest. The trails are well-marked and consist of narrow dirt roads and winding paths, presenting a mi..

The Midstate Massive Ultra Trail is an endurance running event taking place in New Ipswich, NH, featuring three challenging race options: 100-mile, 50-mile, and 30-mile courses. Set against the stunning backdrop of New England's autumn, the race follows the Appalachian Midstate Trail, winding throug..

The Mt. Tom Trail Race, organized by Beast Coast Trail Running, offers participants a chance to explore the scenic beauty of Mt. Tom during peak foliage.The event features challenging courses, including a solo 25k, a 2-person relay, and a solo 10k, all set within the rugged terrain of Mt. Tom State..

The Ghost Train Trail Races, taking place in Brookline, New Hampshire, is a unique running event that features a 30-hour ultramarathon, relay races, and shorter distances of 15 miles and 30 miles. Established in 2009, the event serves as a fundraiser for local conservation efforts, with all profits..

Womp Romp is an exciting running event taking place in Wompatuck State Park, Hingham, MA, featuring a 50K and a 10-mile race. Celebrating its fifth year, the event has consistently sold out, with a cap of 350 participants. The course includes a mix of single track, wide trails, and pavement, making..

November 2025

The Hamsterwheel is an exciting ultrarunning event taking place in New Boston, NH, featuring races of 6, 12, 24, and 30 hours. Celebrating its 11th year, participants will run a scenic 4-mile loop along the New Boston Rail Trail, with opportunities for both individual and team entries. Runners can e..

The TARC Stone Cat Trail Festival, hosted by the Trail Animals Running Club, takes place at Willowdale State Forest in Ipswich, Massachusetts, offering a variety of race distances including 10K, half marathon, marathon, 50-mile, and 100K, along with a free youth fun run. Established in 2001, this ev..

The Baystate Dirty Dog Trail Run-Ruck-Walk 5k is a unique event taking place in Berkley, MA, designed to honor military personnel, first responders, and their K-9 companions. Participants can choose to run, ruck with weighted packs, or walk the rugged 5k trail, all while reflecting on the sacrifices..

December 2025

The Krampuslauf is a unique running event held at the Dartmouth Skiway in Lyme, NH, featuring 5K, 10K, and a challenging 9-hour endurance race. Participants will navigate scenic mountain trails, starting at the ski lodge and tackling both Holt's and Winslow sides of the mountain. Runners can earn me..

The TARC Winter Classic, organized by the Trail Animals Running Club, takes place at the scenic Middlesex Fells Reservation in Stoneham, Massachusetts. This popular trail running event offers participants the choice of 8-mile, 32-mile, and 40-mile distances, showcasing a challenging course filled wi..