Merrimack River Trail Race

The Flat Rock Trail Race, held in Dunstable, Massachusetts, features a challenging 5-mile loop with nearly 600 feet of elevation gain. The scenic course includes landmarks such as the Arched Bridge Conservation Area, an old railroad bed, a former granite quarry and farm, and climbs to the tops of Bl..

The 12 Hours of Lawrence Woods is a half-day ultrarunning event held in Medford, Massachusetts, within the scenic Lawrence Woods section of the Middlesex Fells Reservation. Participants run a roughly 5-mile loop course that stays within the woods without crossing over itself, sharing only one inters..

Greenbelt's Vineyard Hill Trail Run is an annual trail running event held in South Hamilton, Massachusetts, located on the scenic town line of Hamilton and Topsfield. The race offers 5K and 10K distances that challenge runners with a course featuring Vineyard Hill, sections of Bradley Palmer State P..

The TARC Fall Classic is a popular trail running event held at Great Brook Farm State Park in Carlisle, Massachusetts, offering a range of distances including 10K, half marathon, 20 mile, 50K, and 50 mile races, plus a Yeti Mischief Mile and a free youth fun run. The courses wind through scenic New..

The Veterans Count Nashua 5k Fun Run & Walk will take place in Nashua on Sunday 14 September 2025. You can run between 5 and 5 kilometers.

Run for Nature in Lowell, MA, is a community-focused running event held at Shedd Park, featuring a 10K trail run, a 5K run/walk, and a 1-mile Kids Fun Run/Walk. The course winds through scenic trails in Shedd Park and Rogers Fort Hill Park, including a stretch along the Concord River Greenway, with..