Connecticut Ultra Traverse (CUT112)

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...

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..

The Norfolk Land Trust Trail Race Series, including the Haystack Mountain Challenge, is held annually in Norfolk, Connecticut. The 12th edition features three trail race distances: a challenging 5K through Barbour Woods with scenic climbs and wetlands; a 10K that adds a tough loop summiting Haystack..

The Mt. Tom Trail Race takes place on October 18, 2025, with the start/finish and parking at Bray Lake in Mt. Tom State Park. The event is a nonprofit fundraiser that supports the Kestrel Land Trust. Registration fees are non-refundable and non-transferable. Check-in is held one hour before each ra..

Book It for Books 5k & 10k is a charity running event at Lake Accotink Park in Springfield, VA, benefiting Reading is Fundamental of Northern Virginia (RIF NOVA). The weekend features a 1-mile fun run, a 5k trail out-and-back on the lake’s south side, and a 10k course that runs out-and-back on the n..