Trail Running Calendar Connecticut 2026-2027

We have found 54 Trailruns in Connecticut. Check below where and when you can find the races.

Experience a magical 13.1 mile trail race through the rolling hills of Roosevelt Forest. Complete eight loops of a wooded course while supporting a children's book drive in this unique costume friendly event.

Trail races at YMCA Camp Sloper on a roughly two-mile loop: a 400 minute time-limit event with loop counting and a four mile two-lap race, chip timing, a single aid station, cupless policy, and proceeds to local organizations.

A community Thanksgiving trail event on 11/26/2026 at Mill Pond Way Trail with a 3.5 mile run or walk, chip timing, post race yoga for participants, free water and snacks, and proceeds benefiting endometriosis research.

A ninth annual charity 5K in Roxbury, Connecticut on November 26, 2026, with a 3.1 mile out-and-back course near Everett B. Hurlburt Community Park. Proceeds support local ambulance and scholarship funds and a food pantry collection.

December 2026

Challenge yourself on the historic Tower Trail at Sleeping Giant State Park. Choose between 4 or 8 hours to complete as many 3.3 mile loops as possible on this scenic gravel path to the Observation Tower.

Experience an exclusive trail run through the scenic Roosevelt Forest in Stratford. This 5K event features a natural off-road course limited to a small group of participants and includes custom finisher medallions.

March 2027

A six hour trail ultra at Roosevelt Forest in Stratford, CT on March 20, 2027, offering a 50K option on a 2.3 mile loop of roots, rocks and rolling hills, with a capped field of 50 entrants and on-course food and hydration.

Trail race in Union, CT on the Nipmuck Trail covering about 16 miles through Yale-Myers Forest. Organized by Shenipsit Striders with limited aid stations and parking; proceeds support local trail stewardship.

April 2027

A 123.2 mile point to point ultramarathon across Connecticut from East Thompson to Southport with mixed trail and road terrain, aid stations and medical support, a 36 hour limit, plus 100K and relay options.

Sleeping Giant Trail Runs at Sleeping Giant State Park in Hamden CT features a 25K loop with 3K+ of vertical and a 50K two-loop option. The course mixes technical singletrack and carriage roads, includes aid stations, and follows a cupless..

Trail races at Penwood State Park on April 17, 2027 include a three-loop 50K and a single-loop 17K over rocky, rolling single track and double-track. The event is cupless, has a waitlist, and is organized by the CT Trailmixers.

A women-centered trail event at Lake Mohegan offering 5K, 10K, and a 4-hour loop on a 3.2 mile trail. The race is open to non-binary runners, follows a cupless aid policy, and includes finisher medals and post-race refreshments.

May 2027

Camp Mountain Laurel offers a family color run plus a 5K trail run and 5K trail walk at Hamden/North Haven YMCA and New Haven YMCA Youth Center on May 8, 2027; registration opens Feb 19 and first 100 pre-registrants receive a giveaway.

A nine hour timed trail ultra on a 2.2 mile loop through Roosevelt Forest in Stratford, CT. Entry is limited to 50 participants and awards go to the runners with the most miles by the race end.

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