Trail Running calendar near Great Barrington 2026-2027

An off road 50k through interconnected woodland preserves in southern Connecticut, featuring rolling forest roads and rocky single track. The event is nonprofit and proceeds support local land conservation, with volunteer roles for aid stat..

Fall trail races on rugged single-track at Mt. Tom State Park include a 25k, 2-person 25k relay, 10k and a 5k fun run with significant climbing and proceeds benefiting Kestrel Land Trust.

Experience a unique trail race through the forests and meadows of Muscoot Farm. Enjoy distances for all ages followed by a visit to the local farmers market with your farm buck vouchers.

Tackle a unique mountain course that goes up and down four times over 4.9 miles. The event offers prize money, age group awards, and benefits the Keene Community Kitchen. Early registration includes a t-shirt.

Experience an obstacle course race at Sunflower Valley Farm featuring 5K and 10K distances alongside kids races. Conquer muddy trails and creek runs in the New York countryside this autumn.

Trail races at Red Wing Recreation Area in Lagrangeville, NY offering 100k, 50k and 10k looped courses with significant elevation. The 50k and 100k hold UTMB Index status and provide aid stations plus finisher medals.

A technical trail half marathon at Moreau Lake State Park near Gansevoort, NY, covering about 14 miles with 2700 feet of climbing and one aid station; start and finish are at the park beach.

This 8-hour timed trail run takes place on the rolling farm trails at Gurski Farm in Brookfield, CT. Runners complete as many laps as possible on a course featuring single track. It offers a community atmosphere where participants frequentl..

A backyard ultra at Kenty's Farm on a 4.1666 mile loop where runners repeat hourly laps until one remains. Timed options of 6, 12 and 24 hours and single-lap entries are also available.

A trail 10k at Ward Pound Ridge Reservation plus a November virtual 100k challenge, with race results, photos, and a custom finisher woodallion for 100k finishers.

Trail race at Tarrywile Park in Danbury, CT, offering Marathon, Half Marathon and 10K on technical, hilly single-track trails with finisher medals, podium awards and a $600 half-marathon time bonus.

A trail half marathon in Roosevelt Forest using eight 1.64 mile loops to total 13.1 miles. The event includes pavilion aid each loop, a book drive with Books4Everyone, costume prizes, podium awards, and participant swag.

Test your endurance at YMCA Camp Sloper with a 400 minute timed challenge or a 4 mile trail race. Explore rolling wooded trails in Southington while supporting local charities and youth running programs.

A Thanksgiving morning trail run supporting endometriosis research. Choose a run or walk on the 3.5-mile Mill Pond Trail, followed by complimentary yoga. All participants get a finisher medal and swag bag.

Experience a 5K trail race through the scenic Stillwell Woods Preserve in Woodbury. This event honors the memory of Rob Lauterborn and supports the Center for Developmental Disabilities.

A 5K trail event through Roosevelt Forest in Stratford, CT on Dec 19, 2026, open to runners, joggers and walkers. Holiday costumes are allowed, awards recognize the fastest three men and women, and proceeds benefit local organizations.