Trail Running calendar near New Boston 2026-2027

Trail races at the Assabet River National Wildlife Refuge in Sudbury MA include a 10K, a 30K and a 6 hour timed event. The course uses dirt and gravel double track trails with two aid stations and cupless fueling.

A community run at Shedd Park featuring a 5K, a 10K trail run, and a 1-mile kids fun run, with educational displays and proceeds supporting LP&CT's conservation and education programs.

A last person standing trail event in Center Conway, New Hampshire on October 3, 2026. Runners repeat a roughly 3.5 mile forest loop with minimal aid, camping options, food and event swag.

A 25 kilometer trail race at the Edwin L. Smith Preserve in Kennebunkport on October 3, 2026, with proceeds supporting the Kennebunkport Conservation Trust. Registration is capped at 100 and a shirt-included cutoff is on September 5.

A timed trail ultra in Cumberland RI offering 8 hour, 12 hour, and 34 hour options for individuals and teams up to four. The 4.2 mile loop mixes smooth trail and moderately technical rocky sections.

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 5K trail race and 1-mile fun run at Tibbetts Field in Madbury, NH on October 4, 2026, featuring a 2-mile loop through Powder Major Forest over natural terrain. A portion of proceeds will support a local family in need.

Trail races at Houghton's Pond in the DCR Blue Hills Reservation follow rolling dirt roads and forest paths with rocks and roots. Two distances are offered, about 7 miles and 3.7 miles, with notable elevation change on each course.

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.

Devil's Den Ultra is a trail event on Wright's Mountain in Bradford, VT on October 10 and 11, 2026. Runners complete laps of a 10K loop on mixed rocky and rooty terrain, with a 100 runner cap and themed tarot awards.

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.

A mountain running event in North Conway, NH on October 17, 2026, featuring two race options on Cranmore Mountain and $7500 in cash prizes. The course uses ski slopes, singletrack, and service roads and includes one aid station.

A six hour weighted lap race on Mansfield's WWII Veterans Memorial Trail. Competitors carry measured weight each lap and score pound-miles called Kz, with the highest total in each division winning.

Join a community trail race through the diverse terrain of Wompatuck State Park. Choose between a ten mile loop or a 50K distance on a course featuring rail trails and single track paths.