Trail Running calendar near Danbury 2026-2027

We have found 110 Trailruns within 80 miles of Danbury. See below where and when you can find the races.

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.

Trail marathon and half marathon at Trapp Family Lodge in Stowe, VT, on October trails featuring runnable double track, rugged single track, steep climbs, and a summit at Round Top Mountain.

A multi format trail event on the Granite Town Rail Trail in Brookline and Milford NH on October 17 and 18 2026, featuring 7.5 mile relays, 15 mile and 30 mile races and a 30 hour ultramarathon. Proceeds support 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.

Timed endurance running at Champs Campground in Whitehall NY on October 17 and 18, 2026. Choose a 6 hour, 12 hour, or 24 hour race on a flat 0.30 mile loop with aid station, camping, and limited fields.

A trail event at East Windham Conservation Area offering a five loop 50k and a single loop 10k with two aid stations per loop and volunteer support. Finishers receive a cotton event t shirt.

An uphill run at Stowe Mountain Resort hosted by the Mansfield Nordic Pro Team on June 21 and October 18, 2026. The 1.7 miles course climbs from Midway Lodge to Cliff House and raises funds for the pro team.

A 5K on October 24, 2026 at Stratham Hill Park that runs along Great Bay and benefits Great Bay Stewards; the mostly downhill course includes a race shirt for timely registrants and a bib with a beer or cider coupon.

A 4.9 mile mountain trail race in Keene, NH featuring four up and down laps on varied ski and single-track trails, with proceeds and food donations benefiting the Keene Community Kitchen.

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.

Holistic Hustle in Kennebunkport features a timed 5K, a trail 10K and a kids half mile fun run at Emmons Preserve on October 31, 2026. The community fundraiser includes music, family activities, finishers medals and a raffle.

A costumed 5K trail run on October 31 2026 at Wells Reserve at Laudholm. Timed course with water stations and awards, with proceeds supporting coastal conservation and restoration.

November 2026

Hugs From Vets Trail 10Kish in Henniker, New Hampshire on November 1 features a mixed trail and country road course and raises funds for American Legion Post 78. The field is limited to 150 participants and awards are given to overall and a..

The Hamsterwheel in New Boston, NH features timed 6, 12, 24 and 30 hour events on a scenic 4.0 mile loop along the New Boston Rail Trail, with chip timing, a central aid station, team entries, and buckle awards for 100 miles.

A November trail festival at Willowdale State Forest in Ipswich offering multiple looped distances from a 10K to 100K, a Cider Donut Mile, and a flagged 0.5‑mile youth run, with cupless aid stations and fundraising for local land trusts.

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.

Night-time trail races of 5k and 10k at Cranmore Resort on November 7, 2026, requiring headlamps and featuring reflective course markers and LED lighting.

A community 5K walk and run with a kids fun run at Windham Woods School on November 14, 2026 in Windham, NH.

A community memorial run in Tyngsboro, MA with a 1.5-mile walk and two 5K options, raising funds for a school scholar/athlete award and science scholarships while maintaining a tradition of food donations.

A Last Person Standing mountain event with hourly 2.25 mile laps that climb about 1,209 feet each. Aid, hot food, camping, elevation milestone prizes, and awards are provided; conditions may include cold, snow, or ice.

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