Trail Running calendar near Dublin 2026-2027

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.

The Springfield Dam Run will take place in Springfield on Saturday 12 September 2026. You can run 3 miles.

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 multi-day Spartan obstacle weekend at Killington Ski Resort on Sep 19 to 20, 2026, with Sprint, Beast, Ultra and kids races across steep off trail mountain terrain.

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.

The PCS Harvest Hustle 5K will take place in Pomfret on Saturday 19 September 2026. You can run 5 kilometers.

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.

A traditional up and down mountain race in Waterville Valley, NH on September 20, 2026 covering about 7 miles with 3000 feet of ascent; youth entry is available and day of registration is offered.

A weekend of endurance mountain biking and trail ultrarunning at Ascutney Outdoors in West Windsor Vermont, offering 50 mile and 50 km solo races, multiple relay formats, and kids fun races. Proceeds support Vermont Adaptive.

Trail races and a six hour timed event take place on double track dirt and gravel trails at Assabet River National Wildlife Refuge in Sudbury MA. The race is cupless, aid stations are provided, and pacers are allowed for the six hour event.

A community trail and road event at Shedd Park in Lowell offering a 10K, 5K, and a 1 mile kids fun run with educational displays, children’s activities, and proceeds supporting local conservation and education.

Survival of the F.I.T.test is a 30 hour trail ultra held in October as part of the F.I.T. Challenge calendar in Cumberland, Rhode Island. Results for past editions are published online after each race.

A virtual 55K challenge linked to the Great Bay 5K in Stratham, New Hampshire. Complete 55 kilometers in one day or between October 1 and October 24, 2026; registration includes a shirt if ordered by October 1 and a bib with a beer or cider..

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, plus a two-runner relay option. The course uses a 13 mile segment with out-and-back sections and published cutoffs.

Experience the seasonal scenery of New Hampshire at the Keene Family YMCA Fall Foliage Trail Race. Choose between a fast 5K or a 10K with elevation gain to support local community programs.

Mile for Mentoring is a one mile community event in Gilford, NH on October 4, 2026, with adult and youth categories and a free entry for children under 12. Early registrants before September 16 receive a complimentary race shirt.

The Trot in the Trees 5K will take place in Madbury on Sunday 4 October 2026. You can run 5 kilometers.