Trail Running calendar near Brattleboro 2026-2027

An October endurance race in Cohoes, NY offering timed 1-, 3- and 6-hour solo and relay options. The event benefits Flutters of Hope, a nonprofit supporting individuals and families affected by eating disorders.

A 50 kilometer trail ultramarathon around Lake George starting and finishing at Camp Chingachgook in Kattskill Bay. The course climbs about 9,000 feet and crosses four peaks; prior ultra trail experience is required and registration closes..

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

A 26.4 mile trail marathon on Connecticut’s Nipmuck Trail featuring rocks, roots, mud and wood bridges, with an optional two-person relay and elapsed time cutoffs. Organized by the Shenipsit Striders in Ashford, CT.

Keene Family YMCA Fall Foliage Trail Races feature 5K and 10K trail courses starting and finishing at the Keene YMCA, with chip timing, age-group prizes, and proceeds supporting YMCA programs and access.

A one-mile charity run at Gunstock Mountain Resort on October 4, 2026, benefiting Big Brothers Big Sisters of New Hampshire & Vermont. Online registration closes October 2; adult and teen entries are $20, children under 12 enter free.

A fall trail race day in Norfolk, CT offering 5K, 10K and a half marathon with steep climbs, private-trail sections, a cupless policy with water stations, and on-site food and beverage vendors.

Experience the peak of New England autumn on a journey through the mountains and fields of central Massachusetts. This trail event offers three distances crossing state borders for runners seeking adventure on the Midstate Trail.

Join the 20th Wayland / HFC Striders Cross Country Festival on October 11, 2026, featuring youth 3K races and open 5K events that support Wayland High School cross country and track. Presented by Middlesex Savings Bank with awards and commu..

A rugged trail race at Pawtuckaway State Park featuring technical terrain, boulders, streams and a rocky climb. It offers a half marathon and a 5 mile option and lists $7500 in prize money for 2026.

Experience a point to point trail race in Northeast Connecticut on the Airline Trail. Choose between marathon, half marathon, and 10K distances with individual or relay team options to support local student education.

Experience New Hampshire’s original 30 hour ultramarathon on the historic Granite Town Rail Trail. Choose from multiple distances and relay options in this flat and fast Halloween themed fundraiser for local trail conservation.

Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.

A fall trail race at Mt. Tom State Park on October 24, 2026, with single and relay options from 5k to 25k on rugged single-track terrain. The event supports Kestrel Land Trust and includes aid stations, medical crews, and awards.

A trail race in Keene, New Hampshire covering 4.9 miles with about 1650 feet of up and down on ski trails and single track. The event benefits the Keene Community Kitchen and includes prize money, age group awards, and raffles.

A fall trail race at Powisset Farm in Dover on October 25 2026 offering four distances, one water aid station, post race cider donuts and family activities with awards for top finishers.

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 technical 14 mile trail race at Moreau Lake State Park in Gansevoort, NY, featuring about 2700 feet of gain on winding singletrack and one aid station near Bonita Lake. The route starts and finishes at the park beach.

A multi hour loop event on the New Boston Rail Trail near the fairgrounds offering 6, 12, 24 and 30 hour individual and relay options, chip timing, a central aid station, team entries, pacer rules and 100-mile buckles.

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.