Trail Running Calendar Connecticut 2025-2026

Take on a scenic 15.7 mile trail run on the Nipmuck Trail in Mansfield CT, following the Fenton River through woods, fields and small bridge crossings. Organized by the Shenipsit Striders, proceeds support local trail stewardship.

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..

Tackle a scenic 5K through Oswegatchie Hills Nature Preserve, winding past Clark Pond on root and rock strewn trails; hikers welcome. This fourth annual run benefits preserve maintenance and finishes with local pub awards and camaraderie.

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.

Tackle multi day ultras and relays at the Iron Hike Fall series in Cornwall CT, Oct 1 to 4, 2026. Presented by a veteran owned production team, events offer run, hike or walk options across epic mountain terrain.

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.

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.