Seth's Fat Ass 50K

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..

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..

NipMuck Trail Marathon, in Ashford, CT, features two options: the original NipMuck Trail Marathon (26.4 miles) and a two-person NipMuck Relay. The race uses a 13-mile middle segment of the Nipmuck Trail, running south to Route 44, back to the start, then north to Boston Hollow before finishing at Pe..

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..

Located in Union, Connecticut, the Northern Nipmuck Trail Race is a 16-mile ultramarathon staged just outside Bigelow Hollow State Park. The course runs south on the Nipmuck Trail through the Yale-Myers Forest, crosses Barlow Mill Rd at mile 4, then reaches a turnaround at Boston Hollow before retra..