Trail Running calendar near Groton 2025-2026

The Novemberfest Race is an annual 4-mile running event held in Nashua, New Hampshire, featuring a scenic course through Mine Falls Park. This community-focused race supports the Nashua Children's Home, with all proceeds benefiting the organization. The event also includes a raffle held at Martha's..

The TARC Winter Classic is a trail running event held annually at Middlesex Fells Reservation in Stoneham, Massachusetts. It offers challenging distances of 8, 32, and 40 miles on the Skyline Trail, known for its technical New England terrain featuring roots, rocks, and elevation changes. Runners ex..

The TARCtic Frozen Yeti is a winter trail running event hosted by the Trail Animals Running Club at Hale Reservation in Westwood, Massachusetts. It offers two distance options: a 30-hour ultra and a 15-mile race. The course features three roughly 5-mile loops marked with colored ribbons and reflecti..

The Merrimack River Trail Race is a USATF-sanctioned 10-mile out-and-back trail run held in Andover, Massachusetts, starting from the DoubleTree by Hilton Hotel parking lot. The course features water stations at miles 2, 4, and 8, with a mix of unmanned and manned aid points. The event offers a frie..

The TARC Spring Classic is a trail running event held annually at Jericho Town Forest in Weston, Massachusetts. It offers multiple distance options including 10K, Half Marathon, Marathon, and 50K, catering to runners of all levels. The course features a relatively flat, smooth 10K loop with addition..