Merrimack River Trail Race

Set in the Great Brook Farm State Park in Carlisle, Massachusetts, with start/finish at Hart Barn Ski Center, the TARC Fall Classic offers distances of 50 miles, 50K, 20 miles, half marathon, 10K, plus a free youth fun run and the Yeti Mischief Mile. The looped course weaves through woods and fields..

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.

The BLS Wolfpack 5K Cross Country Run or Walk is a 5K event in Boston’s Franklin Park, using the historic Franklin Park cross-country course. It brings together the Boston Latin School community—students, staff, families and alumni—for a morning of running or walking, with the pep band adding energy..

Run for Nature in Lowell, Massachusetts returns to Shedd Park at 453 Rogers Street as a fundraiser hosted by the Lowell Parks and Conservation Trust. The event offers a 5K Run/Walk, a 10K Trail Run (no walk option), and a Kids 1-Mile Fun Run/Walk, a course through park trails and riverfront scenery...

Race for the Refuge takes place at Assabet River National Wildlife Refuge in Sudbury, starting at the Visitor Center. The event includes a 1-mile Walk, a 10K (one loop), a 30K (three loops), plus 3- and 6-hour timed races. The course uses double-track trails with ~2.5 miles of pavement per loop and..

The Houghton's Pond Trail Races take place in the scenic DCR Blue Hills Reservation in Milton, Massachusetts, just south of Boston. This event offers two trail race distances: 7 miles and 3.7 miles, both starting and finishing near the Houghton's Pond Visitor Center. The courses feature rolling terr..