Sudbury
Trail Running Calendar near Sudbury 2026-2027
Explore the top trail runs near Sudbury for 2026-2027! We've gathered 43 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A 6 hour weighted trail race in Mansfield MA where lap distance is multiplied by the weight carried to produce Kz on an out and back course of at least 2.5 miles.
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.
Backyard ultramarathon at Waters Farm with a 4.167 mile hourly loop, a 4.2 mile community run, a free kids fun run, and a full festival.
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.
November 2026
Obstacle course weekend at Fenway Park with a Stadion 5 km featuring 20 obstacles, kids races and spectator access on November 7 and 8, 2026.
Trail races in Upton State Forest offer 10.5K and half marathon options over technical, hilly single track and forest roads. The event has a 250 runner cap and aid stations spaced roughly every three miles.
A 6 hour timed trail race on a 5K loop at Wright Locke Farm in Winchester Massachusetts, featuring rocky rolling singletrack, a barn aid station in a cupless format, and provisions for adaptive athletes and youth discounts.
A community memorial run in Tyngsboro, MA with a 1.5-mile walk and two 5K options, raising funds for a school scholar/athlete award and science scholarships while maintaining a tradition of food donations.
A 4 mile trail race in Mine Falls Park with a post race party, raffle, awards, and proceeds supporting the Nashua Children's Home.
December 2026
February 2027
Experience a winter trail challenge at Hale Education featuring 15 mile and 30 hour options. Navigate three unique loops through the Massachusetts woods while testing your endurance and self reliance in cold weather conditions.
March 2027
Trail races at Monastery Trails in Cumberland, RI on March 14, 2027 offer distances from a 1 mile kids run to a 100K 12 hour ultra. Team ultra entries and a multilap 5 hour option are available and all finishers receive a medal.
April 2027
An obstacle course race in Cumberland, Rhode Island featuring a 3.2 miles course with about 1,000 feet elevation, multiple wave formats including elite and age group competition, multilap sessions, and a 12 hours ultra option.
The TARC Spring Classic takes place April 24, 2027 in Jericho Town Forest, Weston, MA, with 10K, half marathon, marathon and 50K looped trail options, a single aid station, marked course, and a cupless race format.