Trail Running Calendar Connecticut 2026-2027

We have found 63 Trailruns in Connecticut. Check below where and when you can find the races.

Experience a massive endurance test at Mohawk Mountain Ski Area. This ultra trail event features a 152 mile course with over 72,000 feet of elevation gain to be completed within 84 hours.

A 24 hour trail event at Mohawk Mountain Ski Area in Cornwall Connecticut featuring a Double Kuwohi route of about 28 miles and 13,685 feet of elevation. Participants may run, hike, or walk.

A 30 hour timed trail ultra at Roosevelt Forest on a 2.23 mile loop. Runners complete as many laps as possible with a pavilion aid station and awards based on most miles in 30 hours.

Trail races at Bradford Preserve on October 3, 2026 feature 5K, 10K and a free kids run on dirt trails with seasonal course markings and a required orange clothing rule per state regulations.

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.

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.

A trail 5K and shorter accessible run/walk on 10/10/2026 in Wilton, CT, with event T-shirts, food, beverage, and access to farm grounds. The event supports the Prospectors' mission to create employment opportunities for people with disabili..

Trail races at Mohawk Mountain in Cornwall CT offer 5K, 10K, Half Marathon and Marathon routes with measured elevation gains, ski area trail loops, cupless hydration policy, and aid stations for longer distances.

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.

A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.

An off road 50k through interconnected woodland preserves in southern Connecticut, featuring rolling forest roads and rocky single track. The event is nonprofit and proceeds support local land conservation, with volunteer roles for aid stat..

A fall trail event at Grills Preserve in Westerly with 10 mile and 10 km courses across single-track trails and riverfront sections. Club timing is used, orange clothing is required, and post-race refreshments are provided.

November 2026

A timed trail event at Gurski Farm on a 4 mile loop of single track and farm trails. Options include an 8 hour race, a 4 hour race and a 5K plus 5K canicross; the event is cupless with aid at start finish.

A 5k chip-timed run/walk at Stonington Vineyards on November 8, 2026 featuring a two-lap cross country route through the vines. Registration includes a shirt, collapsible wine glass, finisher medal and a pour of wine.

Trail races at Tarrywile Park in Danbury, CT offering 10K, half and marathon on technical single track with significant elevation. Finisher medals, awards and a cash bonus for fast half marathoners.

A trail half marathon in Roosevelt Forest featuring eight laps of a 1.64 mile wooded loop with roots, rocks, and rolling terrain. The event includes a book drive, costume prizes, event swag, and podium awards for top finishers.

A trail event at YMCA Camp Sloper on November 21, 2026, offering a 400 minute timed loop option and a two mile two lap race, with chip timing, a central aid station, and proceeds supporting local organizations.

A community Thanksgiving event featuring a 3.5 mile run and walk around Scoville Reservoir in Wolcott CT, with multiple start waves, post race yoga for participants, finisher medals, volunteers supporting refreshments, and proceeds to EndoF..

December 2026

Repeat a 3.3 mile out and back up the Tower Trail to the Observation Tower at Sleeping Giant. Runners choose a four hour or eight hour format, carry their own hydration, and complete as many laps as they can within the time limit.

A forest trail 5K in Roosevelt Forest, Stratford, CT on December 19, 2026, where participants may run, jog, hike, or walk in costume. Awards go to the three fastest men and women and all finishers receive a commemorative item.

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