Trail Running calendar near Sudbury 2026-2027

An inclusive trail festival at Northfield Mountain on August 29, 2026 that centers queer and trans runners and allies. It offers a 20k prediction race, an untimed 5k fun run or hike, and a Kid's Run with community-focused prizes.

Timed loop trails on Wachusett Mountain with 7, 14, 21, and 28 mile options over ski slopes and single-track. Participants have 10 hours to finish, with weighted vest options and marked courses; finishers receive a shirt and patch.

Trail Animals Running Club hosts a multi distance trail event at Great Brook Farm State Park on September 5, 2026. Looped 10K and 10 mile courses cover distances from 10K to 50 miles, plus a youth fun run and a Yeti Mischief Mile.

A community 5K run and walk in Nashua, NH on September 5, 2026 with free registration for veterans and children, a fee for participants 13 and older, event shirts, donation options and volunteer opportunities. Use #nashua5k for photos.

A lakeside trail run in Goshen, New Hampshire on September 5, 2026, with 3 mile and 5.7 mile courses, awards, swag, and a raffle. The longer distance awards points in the Western NH Trail Running Series.

Trail races at Bear Brook State Park near Allenstown, NH offer a GPX navigated half marathon and a variable ultramarathon between 50k and 100k, with minimal course markings and cup free aid stations.

A group, end-to-end run along the Farmington Canal Heritage Trail from West Suffield to New Haven, roughly 56 miles, raising funds for Mental Health Connecticut. The route is largely flat and unsupported with a 14 hour completion cut off.

A Keene State College alumni cross-country meet on 09/12/2026 at the Keene State Athletic Complex featuring a men's 5K and a women's 2 Mile race; registration runs 09/06 to 09/12 with a $25 fee per event.

Thunder Run is a 5K trail race with more than 20 obstacles through woods and hills in Candia, New Hampshire on September 12, 2026. Organized by Raymond Area Rotary, 100% of proceeds support local and selected international projects.

Pisgah Mountain Trail Races in Chesterfield, NH offer 50k and 23k trail ultramarathon distances on Sunday September 13, 2026, with aid stations carrying Tailwinds, Untapped, and LMNT and proceeds benefiting New Hampshire Special Olympics.

A free 3 mile out-and-back beach run at Westerly Town Beach held at low tide. The community event is organized by the Westerly Track Club and the Stavros family as a memorial run.

An annual community trail event at Mount Agamenticus offering timed **1 Mile** and **5K** courses from the summit, with proceeds supporting conservation and education and a raffle for participants.

Experience a scenic run through wooded conservation trails finishing at the Hooksett Public Library. This community event features a 5K trail race and a half mile kids fun run to support local youth programs.

A community fundraiser in Pomfret Center with a trail 5K and a 0.5 mile kids run supporting the Pomfret Community School PTO. Early and later registration fees differ and awards plus finisher medals are given.

A community 5K in Jaffrey, New Hampshire on September 19, 2026, offering two course options: a mixed woods trail and a straight rail trail. Proceeds benefit the Jaffrey Firefighters Company Inc.

Pair up for a three hour endurance relay on a two mile loop of trails and fields. Alternate laps with your partner to accumulate the maximum distance possible in this team based challenge.

A community 5K in Hillsborough, NH on September 20, 2026, organized by the Hillsboro Fire Department. The off-road course may be uneven and strollers are not recommended; registration runs March 25 to September 19 with a $30 fee.

The Arc'teryx Run Boston will take place in Milton on Sunday 20 September 2026. You can run 10 kilometers.

A 5K trail run at Goddard Park in Warwick, RI on September 26, 2026, with a bayside course and start and finish near the golf course clubhouse. Open to all ages, with published entry fee tiers and on site parking and facilities.

A multisport festival for people who identify as women at Pawtuckaway State Park on September 26, 2026, offering triathlon, two sport, single sport and relay options on supported swim, trail bike and trail run courses.