Trail Running Calendar Connecticut 2025-2026

The Summer Solstice Trail Run is an early morning trail running event held at Gay City State Park in Hebron, Connecticut. Scheduled for June 21, 2025, it offers three race distances: 3 miles, 5 miles, and 8 miles. The 8-mile race is part of the 2025 Blue-Blazed Trail Running Series and the USATF-CT..

The Centurion Ultra Trail Event, held in Roosevelt Forest, Stratford, Connecticut, is a challenging endurance race featuring a 2.5-mile loop with 193 feet of elevation gain per lap through classic New England terrain. Participants can choose between two race options: running as many miles as possibl..

The Brooksvale 12-Hour is an endurance running event held in Hamden, Connecticut, featuring a challenging 4.25-mile loop with 500 feet of elevation gain. Participants can choose to run distances ranging from a marathon (six loops) to a 50k (eight loops), or aim for 50 miles within the 12-hour time l..

The 7-11 Slurpee Day Ultra 60k is a unique self-supported ultramarathon held in Vernon, Connecticut, covering approximately 37.5 miles on mostly road routes. Participants run between multiple 7-11 convenience stores across towns including Vernon, Manchester, East Hartford, West Hartford, Newington,..

The Rails-to-Trails 5K in East Hampton, Connecticut, is a point-to-point race starting at the Connecticut Draft Horse Rescue and finishing at the Old Home Days grounds. The scenic course begins on Chestnut Hill Road, crosses Route 16, and continues along the shaded Air Line Trail for about two miles..

The Soapstone Assault is a challenging approximately 5-mile trail race held at Soapstone Mountain, featuring a unique course that requires participants to climb the mountain six times. This event is designed for those seeking a rigorous hill workout, as runners navigate steep, rocky, and potentially..

The People's Forest 7-Mile Trail Run is an annual trail running event held in Barkhamsted, Connecticut. It covers a challenging 7-mile course through scenic forest trails, offering runners a chance to experience natural beauty and rugged terrain. The race is part of the USATF/CT Mountain Ultra Trail..

The Tappen Brook 5K is a trail running event held in Bridgewater, Connecticut, at the scenic Bridgewater Town Park. Now in its second year, this 5K race showcases newly developed forest trails that wind through gentle hills and natural terrain, offering runners views of woodlands and nearby Lake Lil..

The Stonington Cross Country 5K is a running event scheduled for August 13, 2025, in Pawcatuck, Connecticut. This event features a 5K race along with a Children's 1/2 Mile, catering to young participants aged 10 and under. The race begins on the track at Stonington High School, followed by a scenic..

The Cross-Connecticut Run for Mental Health Awareness is a unique 56-mile group running event held annually in Connecticut, traversing the state north to south along the scenic and flat Farmington Canal Heritage Trail. Starting in West Suffield and ending at New Haven Harbor, the course passes throu..

The Macedonia Trail Race, held in Macedonia Brook State Park in Kent, Connecticut, offers trail runners a unique experience with its lush forest trails, challenging climbs and descents, and stunning viewpoints including Cobble Mountain, where runners can see the Catskill Mountains on clear days. Now..

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

Run for the Hills is an annual 5K trail run and walk held at the Oswegatchie Hills Nature Preserve in Niantic, Connecticut. The event offers participants a scenic course around Clark Pond and along the preserve's perimeter, showcasing over 450 acres of coastal forest. Designed as a fundraiser, proce..

The Angevine Farm Trail Festival, held annually in Warren, Connecticut, offers a scenic and challenging trail running experience in the Northwest corner of the state. The event features multiple distances including a half marathon, a new 8-hour race on a 1.25-mile farm loop, and 5K races including a..

The Cockaponsett Trails to a Cure is a running event taking place in Chester, Connecticut, featuring two trail races: a 4-mile and a 9-mile course through the scenic Cockaponsett State Forest. The course includes challenging terrain with roots, rocks, and hills, and is designed to accommodate runner..

The IronHike Endurance Series is a unique multi-day event taking place at Mohawk Mountain in Cornwall, CT, from October 2 to October 5, 2025. Participants can choose from various challenges, including individual and team formats, with distances ranging from 15 to over 152 miles, featuring significan..

The NipMuck Trail Marathon, held in Ashford, Connecticut, is a challenging 26.4-mile trail race along the scenic Nipmuck Trail. The course features diverse terrain including rocks, roots, mud, and wood bridges, with a route that heads south 6.2 miles to Route 44 and back, then north 7 miles to Bosto..

The Forbidden Forest 30 Hour Ultra Run is an epic endurance event held in Stratford, Connecticut, offering runners up to 30 hours to complete distances ranging from a marathon (26.2 miles) to 100 miles or more. The course features a challenging 2.23-mile loop with roots, rocky terrain, and a notable..

The Mohawk Mountain Race, held at Mohawk Mountain Ski Area in Cornwall, Connecticut, offers a challenging trail running experience with 5K, 10K, Half Marathon, and Marathon distances. The course features steep ascents and descents on ski mountain trails, including the Wildwood, Timber, Pine, Laurel,..

The Tackle the Trail - Pomfret, CT will take place in Pomfret on Saturday 18 October 2025. You can run between 10 and 26 miles.