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    Half Marathon Races in Saint Louis, MO

    3 upcoming Half Marathon races in Saint Louis. Run This events are listed first.

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    DistanceAll5K10KHalf MarathonMarathonUltra
    Nearby citiesKansas CitySt. LouisSpringfieldBransonColumbiaParkvilleMaryland HeightsSaint JosephCarthageRogersvilleBallwinChesterfield

    3 races

    Sun, Nov 8, 2026

    Saint Louis Half Marathon and 5K

    Saint Louis, MO

    OutsideMarathon5K

    Sat, Dec 12, 2026

    St. Louis Track Club 2026-2027 Frostbite Series

    Saint Louis, MO

    Outside1.9 miMarathon2.0 mi10.0 mi

    Sun, Jan 3, 2027

    ShITR - Shivery Icy Trail Run

    Saint Louis, MO

    Outside1 mile5K10KMarathon

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    Other cities in Missouri

    Kansas City69St. Louis22Springfield16Branson12Columbia10Parkville7Maryland Heights6Saint Joseph6Carthage5Rogersville5Ballwin
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    Ozark4
    Blue Springs3
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    Lee's Summit3
    Liberty3
    Marthasville3
    Osage Beach3
    Saint Charles3
    Smithville3
    Warrensburg3
    Wildwood3
    Belton2
    Camdenton2
    Cape Girardeau2
    Chillicothe2