Connecticut Half Marathons

Connecticut Half Marathons by City • By Date

Each half marathon that takes place in Connecticut is listed below, and when you click the link you’ll find info for each race — what the course is like and a map of the route, the elevation change, whether it’s fast and flat or hilly and challenging, how to sign up, and more.


You’ll also find contact info if you’re having problems with your registration or need to contact the race directors.

2022-2023 calendar of Connecticut half marathons

Cheshire

Cheshire Half Marathon, Relay & 5K

Colchester

Colchester Half Marathon

East Haddam

April Fools 5k & Half Marathon

Essex

Steam Train Half Marathon & Relay

Fairfield

Fairfield Road Races Half Marathon

Hamden

Hamden Hills Half Marathon & 5K

Hartford

Hartford Marathon Half Marathon 5k & Relay

Nutmeg State Marathon & Half Marathon

Litchfield

Hillacious Half Marathon

Milford

Gulf Beach Half Marathon

Mystic

Mystic Half Marathon & 10K

New Haven

New Haven Road Race Half Marathon & 5K

New London

John & Jessie Kelley Half Marathon

Redding

Mark Twain Redding Road Race Half Marathon 7M & 1M

Scotland

Highland Half Marathon

Simsbury

New England Series Marathon Half Marathon 10K & 5K – Day 1

UConn Health Half Marathon, 10K & 5K

West Haven

Savin Rock Marathon & Half Marathon