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    Marathon · San Antonio

    Marathons in San Antonio, TX in December

    Every marathon happening in or near San Antonio during December. Sorted by date with deterministic 0–100 scores so you can pick the right one for your goal.

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    Marathon
    BQ

    Humana Rock 'n' Roll San Antonio Marathon

    Sun, Dec 7, 2025
    San Antonio, Texas
    road
    Flat
    90PR40value50vibe
    scenic
    Register
    Marathon

    2026 San Antonio Marathon

    Fri, Dec 4, 2026
    San Antonio, Texas
    road
    Rolling
    60PR40value45vibe
    Register
    Marathon

    2026 - San Antonio Marathon

    Fri, Dec 4, 2026
    San Antonio, Texas
    road
    Rolling
    60PR40value45vibe
    Register

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