Trail Running calendar near Mansfield 2026-2027

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 5K Run / Walk and Kids Fun Run at Hallock State Park on October 25, 2026, with a virtual 5K option. Proceeds support the Long Island Greenway and include a post-race wine crawl with vendor specials for participants 21 and over.

Experience a unique timed trail event at Gurski Farm featuring a four mile loop of rolling farm trails and single track. Choose between eight hour, four hour, or 5K options in a community focused environment.

A two day obstacle event at Fenway Park in Boston featuring a Stadion 5K with 20 obstacles, a kids race, and spectator access. The course uses stadium features including the Green Monster, clubhouse, and home plate.

A last runner standing backyard ultra on private farmland in Winchendon with a 4.1666 mile loop. The event also offers 6 hour, 12 hour and 24 hour timed options plus a standalone fastest lap competition.

A looped trail event at White Barn Farm in Wrentham, MA on Nov 7, 2026, featuring 3.1 mile laps on grass and dirt. Distances range from 5K to 50K so participants can choose how many laps to run.

A Thanksgiving themed chip timed 5k at Stonington Vineyards on November 8, 2026. The event features vineyard scenery and includes a t shirt, a portable wine glass, a finisher medal that doubles as a wine stopper and a wine pour.

Trail races in Upton State Forest include a 10.5K loop and a 13.1 mile half marathon run as two laps. Aid stations are spaced about every 3 miles and post race offerings include fire pits, hot soup and hot chocolate.

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.

Trail races at Tarrywile Park in Danbury, CT offering 10K, half marathon and marathon options on technical single track; the half uses a loop with close to 3K of elevation and a cupless race policy.

A November trail race at Burlingame State Park offering 4 mile and 8 mile courses on dirt trails and roads, a required orange garment mandate, post-race food, and age group awards for both distances.

Experience a magical 13.1 mile trail race through the rolling hills of Roosevelt Forest. Complete eight loops of a wooded course while supporting a children's book drive in this unique costume friendly event.

A trail event at YMCA Camp Sloper on November 21, 2026, offering a 400 minute timed loop option and a two mile two lap race, with chip timing, a central aid station, and proceeds supporting local organizations.

Enjoy a festive four mile trail race through the wide paths of Mine Falls Park. All proceeds from the run and raffle support residential and educational programs at the Nashua Childrens Home.

A community Thanksgiving trail event on 11/26/2026 at Mill Pond Way Trail with a 3.5 mile run or walk, chip timing, post race yoga for participants, free water and snacks, and proceeds benefiting endometriosis research.

A trail running event at Middlesex Fells Reservation with **8 mile**, **32 mile**, and **40 mile** loop options on the white blazed Skyline Trail. The course is technical and minimally marked, cupless with two aid stations and specific cour..

Challenge yourself on the historic Tower Trail at Sleeping Giant State Park. Choose between 4 or 8 hours to complete as many 3.3 mile loops as possible on this scenic gravel path to the Observation Tower.

Celebrate the twentieth anniversary of this unique cross country race held at the Mount Hood Golf Club. Choose between a competitive three and a half mile run or a festive two mile walk through hilly terrain.

Experience an exclusive trail run through the scenic Roosevelt Forest in Stratford. This 5K event features a natural off-road course limited to a small group of participants and includes custom finisher medallions.

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.