Best New Haven, Connecticut Half Marathon Races

View some of the best Half Marathon races in New Haven, Connecticut! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.

    • 1/2M

    New Haven, CT

    0.09 miles away

    I'm Attending

    Faxon Law New Haven Road Race

    We're excited to line up on the start line in New Haven on Labor Day! Not up for running in person? We also have a virtual option. Run or walk on your own and we will mail out your shirt and bib to you!  

    • 1/2M

    Milford, CT

    9.13 miles away

    I'm Attending

    2022 Gulf Beach Half Marathon

    "The Half Marathon to do in Connecticut"voted by Active.com users THE COURSE Run along the beautiful beaches of Milford featuring the Silver Sands State Park Boardwalk. This is a PR Course like no other. This race has sold out before.The flatte...

    • 1/2M

    Valhalla, NY

    48.1 miles away

    I'm Attending

    The Big 5: Racing Stronger Together presented by WMCHealth

    The Big 5: Racing Stronger Together5 Races, 1 CauseGet your heartrate going and support local healthcare as you race, jog or walk on and aroundWestchester Medical Center’s beautiful and growing campus. Enjoy a Racers’ Village and Family Fun Dayas ...

    • 1/2M


    24.34 miles away

    I'm Attending

    The Reservoir Run Half Marathon 5K, and Kids Fun Run

      The Weston Kiwanis Club and The Weston Kiwanis Club Foundation, Inc. are honored to host the Eleventh year of the Reservoir Run Half Marathon & 5K.   We encourage you to join us for the Kiwanian's premier event. The Weston Community, Police...

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