Trail Running Calendar Connecticut 2026-2027

We have found 39 Trailruns in Connecticut. Check below where and when you can find the races.

Run the Stonington Cross Country 5K in Pawcatuck at Stonington High School on Wednesday August 5. The scenic course starts and finishes on the track and winds through quiet streets, trails and grassy crossings for a community run.

Run loops on a roughly 5K trail course during an eight hour celebration with the Shenipsit Striders in Tolland. Bring food, enjoy the grill, earn raffle tickets and a 50th anniversary gift while supporting local trail stewardship.

September 2026

Run for The Hills is a 4th annual trail 5K on September 12, 2026 at Oswegatchie Hills Nature Preserve, winding around Clark Pond. Expect exposed rocks and roots on scenic trails while helping support preserve maintenance.

Tackle rugged singletrack and sweeping views at Macedonia Trail Race in Kent CT on September 13, 2026, with 12K, 25K and 50K options. Expect steep climbs up Cobble Mountain, fast descents and a festive finish with post race food and medals.

Join the Charlie Stavros Memorial Beach Run on September 15, 2026 in Westerly, Rhode Island, a free 3 mile beach run honoring a beloved local runner. Enjoy a scenic low tide out and back along Westerly Town Beach with friends and family.

Hit the Hemlock Hills trails in Ridgefield Connecticut on September 20, 2026 for Where the Pavement Ends. Choose a 4.25 mile single loop or an 8 mile double loop over technical, rocky terrain for a true trail challenge.

Run the newly restored Moosup Valley State Park Trail in Moosup CT with 5K, 10K and a kids fun run on Sunday September 27, 2026. Postrace medallions or tee shirts, food and drink, leashed dogs welcome, and proceeds benefit the Rotary Club o..

October 2026

Tackle an Everesting relay across 61+ miles and 29,029 feet of climbing at Mohawk Mountain in Cornwall CT, with a 72 hour window to run, hike or walk. Team up and test endurance on this epic fall challenge.

Iron Hike Fall Double Kuwohi Trail Marathon Plus Relay is a timed 24 hour trail challenge covering more than 28 miles with epic elevation at Mohawk Mountain in Cornwall Connecticut. Choose solo or relay, run, hike or walk and chase a big da..

Take on the NipMuck Trail Marathon in Ashford CT on October 4, 2026, a rugged 26.4 miles out and back across rocks, roots, mud and scenic wood bridges. Organized by the Shenipsit Striders, the race supports Connecticut trail stewardship.

Take on the Mohawk Mountain Race at Mohawk Mountain Ski Resort with marathon, half marathon, 10K and 5K on challenging ski mountain trails featuring sweeping fall foliage and plenty of climbs and descents. Finishers earn medals and enjoy po..

A point to point trail race along the Air Line Trail State Park between Willimantic and Putnam, CT. Events include marathon, marathon relay teams, half marathon, 10K and TackleJR, with proceeds supporting local students.

November 2026

Timed trail event at Gurski Farm in Brookfield, CT featuring 8 hour and 4 hour continuous loop races plus 5K and 5K canicross. The course uses single track and farm trails and includes finisher medals, awards, food, and beverage options.

Trail races at Tarrywile Park near Danbury offering 10K, half marathon and marathon distances with technical single track, substantial elevation and lake views.

A trail half marathon in Roosevelt Forest, Stratford, run as eight laps of a 1.64 mile wooded loop with roots, rocks and rolling hills. The event features a children’s book drive, costume prizes, a finisher medallion and on-course aid.

Join the Soul n Body Thanksgiving Trail Run in Wolcott CT for a spirited 3.5 mile loop around Mill Pond Way, complete with finisher medals, swag and post race yoga. Proceeds benefit endometriosis research and furry friends are welcome.

December 2026

A 5K trail run through Roosevelt Forest in Stratford, CT on December 19, 2026, with awards for the top three men and women and a custom finisher medallion. A portion of proceeds supports local charities.