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Best St. Louis, Missouri Marathon Races

View some of the best Marathon races in St. Louis, Missouri! 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.

    • M

    Innsbrook, MO

    47.21 miles away

    I'm Attending

    The Innsbrook Half Marathon

    Run on one of the most scenic and beautiful courses in the Midwest during the peak of fall color in Missouri! The Innsbrook Half Marathon will be your chance to run a real half marathon on a real course while keeping safety a priority. Hosted by B...

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    Saint Charles, MO

    18.44 miles away

    I'm Attending

    MO' Cowbell Marathon/Half-Marathon/Relay/5K

    Don't miss the fun and excitement of the MO' Cowbell Marathon, Half Marathon, Relay & 5K race! This flat & fast course is perfect for beginners or those who want to set a new personal best! Come to the 10th Annual MO' Cowbell Marathon, Hal...

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