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    Half Marathon Races in Connecticut

    13 upcoming Half Marathon races across Connecticut. Run This events are listed first — pick a city below to narrow it down.

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    13 races

    Sat, Sep 26, 2026

    Hogsback Half Marathon

    Colebrook, CT

    OutsideMarathon

    Sun, Sep 27, 2026

    HSS Greenwich Half Marathon

    Old Greenwich, CT

    OutsideMarathon

    Sun, Oct 4, 2026

    Garavel SoNo Half Marathon | 5K

    Norwalk, CT

    OutsideMarathon5K1 mile

    Sun, Oct 4, 2026

    Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

    Norfolk, CT

    Outside5K10KMarathon

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    Sat, Oct 10, 2026

    Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

    Hartford, CT

    OutsideMarathon5K

    Sat, Oct 17, 2026

    Tackle the Trail (TM)

    Northeast, CT

    OutsideMarathon10K

    Sun, Oct 18, 2026

    The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5K

    Ridgefield, CT

    OutsideMarathon7.0 mi5K

    Sun, Oct 25, 2026

    Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll

    WESTON, CT

    OutsideMarathon5K1000 m

    Sat, Nov 7, 2026

    Air Line Trail Ghost Run

    Hebron, CT

    OutsideMarathon

    Sat, Nov 14, 2026

    Hillacious Half Marathon

    Litchfield, CT

    OutsideMarathon6.5 mi4.0 mi

    Sat, Nov 14, 2026

    Roxbury Fall Classic

    Roxbury, CT

    OutsideMarathon31.1 mi

    Sat, Nov 21, 2026

    Storybook Half Marathon

    Stratford, CT

    OutsideMarathon

    Sun, Apr 11, 2027

    Ion Bank Cheshire Road Races

    Cheshire, CT

    OutsideMarathon5K805 m4.0 mi

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