Upcoming ultra marathons in and near New Britain, Connecticut. Use filters to quickly find races by month or race type.
More races: USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:typerace 06/09/2025 New England Series 10K, 13.1M, 26.2M, 50K, 5K Simsbury CT 06-june roadrace 04/27/2025 Jack Bristol Lake Waramaug Ultra Races 100K, 50K, 50M New Preston CT 04-april trail 06/05/2025 IronHike Endurance Series – Spring 152M, 15M, 28M, 43M, 61M Cornwall CT 06-june trail 06/28/2025 Centurion Ultra Trail Event 33H Stratford CT 06-june trail 05/03/2025 Forgotten Forest Ultra Run 9H Stratford CT 05-may trail 07/11/2025 Notchview Ultra 100M, 12H, 24H, 48H, 6H, 72H Windsor MA 07-july trail 03/30/2025 The Long Run 3H, 5M, 6H Wind Gap PA 03-march trail 05/07/2025 Peak Blood Root Ultra 100M, 10M, 200M, 50K, 50M Pittsfield VT 05-may trail 05/15/2025 Infinitus Trail Race 100M, 250M, 26.2M, 888K, 88K, 9M Ripton VT 05-may trail 05/11/2025 Dawn To Dusk To Dawn Track Ultras 12H, 24H, 50K Sharon Hill PA 05-may roadrace 05/31/2025 Cayuga Trails 50K, 50M Ithaca NY 05-may trail