Upcoming ultra marathons in Connecticut. Use filters to quickly find races by month, city or race type.
More races:ย USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:city hf:tax:typerace 04/27/2025 Jack Bristol Lake Waramaug Ultra Races 100K, 50K, 50M New Preston CT 04-april new-preston-ct trail 05/03/2025 Forgotten Forest Ultra Run 9H Stratford CT 05-may stratford-ct trail 06/05/2025 IronHike Endurance Series – Spring 152M, 15M, 28M, 43M, 61M Cornwall CT 06-june cornwall-ct trail 06/09/2025 New England Series 10K, 13.1M, 26.2M, 50K, 5K Simsbury CT 06-june simsbury-ct roadrace 06/14/2025 Ansonia Six Hour Trail Run 6H Ansonia CT 06-june ansonia-ct trail 06/28/2025 Centurion Ultra Trail Event 33H Stratford CT 06-june stratford-ct trail