Trail Running Calendar Connecticut 2025-2026

We have found 26 Trailruns in Connecticut. Check below where and when you can find the races.

Tackle technical single track and big climbs at the Macedonia Trail Race in Kent, Connecticut. Choose 12K, 25K, or 50K loops with Cobble Mountain views and rugged trails for a rewarding, scenic challenge.

Hit the newly restored Moosup Valley State Park Trail on Sunday, September 27 for scenic 5K, 10K and a kids fun run on all trail terrain. Post race food and gear, leashed dogs welcome, and proceeds support the Rotary Club of Plainfield.

October 2026

Experience the Iron Hike Fall Series, a four day trail festival in Cornwall, CT from October 1 to 4, 2026, featuring epic ultra distances and relays. Run, hike, or walk timed courses that test endurance and celebrate grit.

Take on a 24 hour trail challenge at Mohawk Mountain with a 28 plus mile course and huge elevation gain that rewards grit and strategy. Run, hike, or walk solo or as a relay with veteran owned IronHike Endurance Productions.

Conquer Mohawk Mountain on scenic but rugged trail courses with 5K, 10K, half marathon and marathon options, big climbs and singletrack. Runners earn finisher medals, enjoy aid stations and follow a cupless policy to reduce waste.

November 2026

Run 13.1 miles on forest trails at the Storybook Half Marathon in Roosevelt Forest, Stratford CT, completing eight scenic loops of single and doubletrack. Wear a costume, enjoy post race perks, and donate children's books to Books4Everyone.