Flanders Field and Forest 5K

Angevine Farm Half Marathon is part of the Angevine Farm Trail Festival in Warren, CT, hosted by Steep Endurance. The event offers a Half Marathon plus an 8-Hour option and a 5K/5K Canicross, all on scenic farm and forest trails. The Half Marathon begins at Angevine Farm, runs a 1.7-mile farm loop,..

Winding Trails TRAIL RUNNING Series #5 is a Tuesday night event at Winding Trails in Farmington, Connecticut. The 2025 edition runs five races from August 26 through September 23, with a choice of 5K or 10K on an approximately 3-mile loop. Check-in and rolling start occur in the early evening at 50..

The Tunxis Trail Ultramarathon, held in Burlington, Connecticut, features challenging and technical trail races on the Tunxis Trail system, part of the Blue Blazed hiking trails. The event offers shorter distances this year, including an 8K (5 miles) and a 5K (3.1 miles), with staggered start times...

The IronHike Endurance Series takes place in Cornwall, Connecticut, at Mohawk Mountain Ski Area from October 2 to October 5, 2025. The series is organized by IronHike Endurance Productions LLC, a US military veteran-owned business. Events use a FlexRelay format that allows solo entries or teams: In..

Chasing Ciara's Light 5K/12K Trail Race 2025, held at Great Hollow Lake in Monroe, CT, offers timed 5K and 12K trail races along a scenic course. Sanctioned by USATF and spectator-friendly, it features multiple spots for cheering. A Kids Fun Run provides additional family-friendly activity.The cours..

CT Donut Run is a 31.5-mile charity group run in Connecticut, presented as a long, donut-filled endurance experience rather than a traditional race. The route centers in West Hartford and visits several donut stops, including locations in Newington, Berlin, Wallingford, and North Haven, finishing in..