Race calendar · Connecticut, United States
Running races in Connecticut
123 upcoming races across Connecticut. Every date checked against the organiser. Your next race, seen from above.
Manchester, CT · seen from above
123 upcoming races across Connecticut. Every date checked against the organiser. Your next race, seen from above.
Costume-clad 5K through Simsbury
Eight-hour timed loop race on a Connecticut farm
Run or ruck across the UConn Storrs campus
Cheshire 5K benefiting adults with disabilities
Trail race through Tarrywile Park's mansion grounds
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.