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    Costa Mesa Races

    Find running races in Costa Mesa, California.

    Races in Costa Mesa, California

    Marathon

    Project Youth OC - 2026 OC Marathon

    Sat, May 2, 2026
    Costa Mesa, California
    road
    Rolling
    60PR50value65vibe
    charity
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    5K

    The Hoag OC Marathon Running Festival

    Sat, May 2, 2026
    Costa Mesa, California
    road
    Rolling
    65PR40value55vibe
    music
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    Other

    Hoag Kids Run The OC

    Sat, May 2, 2026
    Costa Mesa, California
    road
    Rolling
    60PR50value60vibe
    charity
    Register
    Other

    NIGHT NATION RUN - ORANGE COUNTY

    Sat, May 9, 2026
    Costa Mesa, California
    road
    Rolling
    60PR50value80vibe
    music
    color
    charity
    Register