Grafton
Trail Running Calendar near Grafton 2026-2027
Explore the top trail runs near Grafton for 2026-2027! We've gathered 34 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Backyard Ultra in Leominster State Forest on September 26, 2026; runners repeat a 4.167 mile loop each hour until only one remains.
Trail races and a 6 hour timed event through Assabet River National Wildlife Refuge with aid stations, cupless rules, pacer options, and proceeds supporting refuge projects.
October 2026
Test your endurance on a five mile trail loop in Rhode Island with 8 hour, 12 hour, and 34 hour options for individual runners and teams.
A 5K trail race and 5K walk through Lake Street Park trails, plus a Kid Run on the lacrosse field for age 12 and under.
Run the winding single lane trails of Groton Town Forest with a choice of 9.5 mile or 3.4 mile courses featuring roots, rocks and rolling climbs. Limited to 250 runners, this community race supports Groton trail maintenance and finishes with snacks.
A park-based, traffic-free 5K in Highland Park, Attleboro with a grass loop course, a kids 100 yard fun run, on-site activities, awards, and a virtual 5K option.
Test your strength and speed in this unique six hour weighted race where your total distance is multiplied by the weight you carry on a historic memorial trail.
A harvest-season 5K trail event at White Barn Farm in Wrentham with off-road terrain, a midway water station, bib pick-up the day before, family Harvestween activities, and a portion of registrations donated to the local food pantry.
A backyard ultramarathon at Waters Farm with a one loop hourly race, a 4.2 mile community run, a free kids fun run, and a full festival day.
A fall trail event in Harvard on October 25, 2026 featuring a 5K through orchard and woods plus a 1 mile kids fun run, with age divisions, awards, shirts, and proceeds benefiting the Harvard Conservation Trust.
A stadium stair-climb at Gillette Stadium raising funds for Homes For Our Troops, covering about 5,184 steps in the lower bowl with individual, team, and fundraising options.
A multi-terrain 5K, a scenic 2 Mile walk, and a short kids loop at Old Sturbridge Village on October 25, 2026, with event shirts, limited medals, and age-group prizes.
A community fundraiser on October 25, 2026 featuring a timed 5K trail, a 1K pre-teen road race, a 5K walk, children's games and a costume contest.
Community trail run from Marathon Sports Wellesley to Norumbega Reservoir with Topo Ultraventure 5 demos, sauna and cold plunge, plus coffee and breakfast.
A continuous 50-mile trail race on a 3.1-mile loop in Wrentham, MA, with chip timing, a 12-hour cutoff, and a 75-runner field limit.