Groton Town Forest Trail Races

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..

The GTA Challenge is a 10K trail race held in Greenfield, New Hampshire, organized by the Greenfield Trail Association to support local trail maintenance. The course features a mix of class 6 roads, double track, and single track trails with natural obstacles like rocks and roots, offering a challen..

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 5K Run/Walk, a 10K Trail Run, and a Kids 1-Mile Fun Run/Walk. The course traverses scenic double- and single-track trails through Shedd Park and Rogers Fort Hill Park, including a stretch along the Con..

The Midstate Massive Ultra Trail is a challenging point-to-point ultra running event held in New Ipswich, New Hampshire, traversing the Appalachian Midstate Trail through central Massachusetts and crossing into New Hampshire, Rhode Island, and Connecticut. Scheduled for October 11-12, 2025, the race..