Connecticut
Connecticut Trail Running Calendar 2026-2027
Explore the best trail runs in Connecticut for 2026-2027! Our updated list features 36 exciting trail runs across the region. Find your next trail run in Connecticut below and join the trail community at these great events!
November 2026
Trail races at Tarrywile Park in Danbury offering Marathon, Half Marathon and 10K on a loop course with technical single-track, substantial elevation gain, and cupless aid stations.
A trail half marathon at Roosevelt Forest on November 21, 2026 featuring eight 1.64 mile loops, on-course aid, commemorative swag, and podium awards for top male and female finishers.
Trail races at YMCA Camp Sloper featuring a 400 minute multi-loop event and a 4 mile two-lap race, with chip timing, an aid station, and limited fields.
A memorial 5K run and walk on the cross country course in Danbury offering a chance for friends, family and teammates to gather and remember.
An accurately measured 8K cross-country race at the MDC Reservoir Complex in West Hartford with gravel, trails and fields and USATF sanction pending.
Inaugural Stride for the Knights 5K at Southington High School features a wooded cross-country course with a track finish, a kids fun run, and awards from Fleet Feet.
3.5 mile trail run and walk around Scoville Reservoir with chip timing, post-race yoga, medals, swag and age-group awards.
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.
Charity 5K and timed 1 mile walk/run at Darien High School on November 27, 2026 supporting The Depot, with family activities and bib pickup options.
Off-road 5 km and 5 mile run plus a 5 km ruck in South Glastonbury on November 28, with a kids fun run and a post-event chili, s'mores and brewery beverages.
December 2026
Timed trail event at Sleeping Giant State Park with repeated 3.3 mile out and back laps on the Tower Trail and 4 hour or 8 hour options.
Third annual 5K Reindeer Run/Walk on the Joel Barlow cross-country course in Redding, CT with festive attire encouraged and proceeds to the Class of 2029.
A ten-loop, one mile per loop event in Deep River, CT totaling 10 miles, with taco rules, medals per loop, trophies, and proceeds to the Connecticut Forest and Park Association.
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.
An 8 hour loop event at Lake Wintergreen in Hamden CT with 1.6 mile loops, one aid station, on course snacks and a 50 runner limit. Proceeds support Doctors Without Borders.
March 2027
A 6 hour trail ultra at Roosevelt Forest in Stratford CT with a 2.3 mile loop, on-course food and hydration, a 50 person field, and podium awards for top men and women.
A roughly 16 mile out and back trail race on the Nipmuck Trail in Union, CT with technical terrain, minimal aid stations, and parking at Bigelow Hollow State Park.
April 2027
Trail races on a 25K loop at Sleeping Giant State Park featuring technical singletrack, steep rock scrambles, and an optional second loop for the 50K.
A 6.55 mile race at West Hartford Reservoir on April 10, 2027, run as two 3.275 mile paved loops with chip timing and a 150 runner limit.