Merrimack River Trail Race

Codfish Bowl is the 57th annual cross-country meet held at Franklin Park, Boston, MA, and is part of the USATF New England XC Grand Prix. The event features a women's 5K and a men's 8K on modified courses (3 laps for the 5K, 4 laps for the 8K) because traditional courses are unavailable due to stadi..

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..

Groton Town Forest Trail Races, held at 163 West Main Street, Groton, MA, offer two trail distances: 9.5 miles and 3.4 miles. The courses are well-marked and feature a scenic loop through Groton Town Forest with no road crossings, combining narrow dirt roads and single-track trails over roots, rocks..