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    Half Marathon · California

    Half Marathons in California

    Every half marathon we track across California, sorted by date. Each card shows deterministic 0–100 scores for beginner-friendliness, PR potential, value, vibe, and family appeal.

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    Half Marathon

    Mammoth Bar Trail Runs

    Sun, Sep 6, 2026
    Auburn, California
    trail
    Rolling
    30PR40value55vibe
    scenic
    Register
    Half Marathon

    FIESTA HALF MARATHON & 10K - BAKERSFIELD

    Sun, Sep 6, 2026
    Bakersfield, California
    road
    Rolling
    60PR40value45vibe
    Register
    Half Marathon

    The Honey Badger Half (& 10K/5K)

    Fri, Sep 11, 2026
    Santa Venetia, California
    trail
    Rolling
    30PR40value55vibe
    festive
    Register
    Half Marathon

    Beer City Half™ Bishop Ranch

    Sat, Sep 12, 2026
    San Ramon, California
    road
    Rolling
    60PR40value50vibe
    beer
    Register
    Half Marathon

    Alameda Island Running Festival

    Sun, Sep 20, 2026
    Alameda, California
    road
    Rolling
    60PR50value75vibe
    beer
    charity
    Register
    Half Marathon

    Judgment Day Half Marathon, 10K & 5K Run/Walk

    Sun, Oct 4, 2026
    Bakersfield, California
    road
    Rolling
    60PR40value55vibe
    scenic
    Register
    Half Marathon

    Peace Officer Memorial Run

    Sun, Oct 4, 2026
    Modesto, California
    road
    Rolling
    60PR50value65vibe
    charity
    Register
    Half Marathon

    Redding Breakfast Lions Turtle Bay Run 2026

    Sun, Oct 4, 2026
    Redding, California
    road
    Rolling
    60PR40value55vibe
    scenic
    Register
    Half Marathon

    Champion Mine Trail Race

    Sun, Oct 11, 2026
    Nevada City, California
    road
    Rolling
    60PR40value45vibe
    Register
    Half Marathon

    SPACEROCK Trail Race

    Sat, Oct 17, 2026
    Aqua Dulce, California
    trail
    Rolling
    30PR40value45vibe
    Register
    Half Marathon

    Fleet Feet Fall Classic - Trail October 18th, 2026

    Sun, Oct 18, 2026
    Chico, California
    trail
    Rolling
    30PR40value45vibe
    Register
    Half Marathon

    Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

    Sat, Oct 24, 2026
    Malibu, California
    road
    Rolling
    60PR40value55vibe
    scenic
    Register
    Half Marathon

    DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)

    Sat, Oct 24, 2026
    Bakersfield, California
    road
    Rolling
    60PR40value55vibe
    festive
    Register
    Half Marathon

    Beer City Half™ OC

    Sat, Nov 7, 2026
    Santa Ana, California
    road
    Rolling
    60PR40value65vibe
    beer
    festive
    Register
    Half Marathon

    Temecula Half Marathon, 10K, 5K

    Sun, Nov 8, 2026
    Temecula, California
    road
    Rolling
    60PR40value40vibe
    Register
    Half Marathon

    2026 Silver Strand Half Marathon, 10 Miler, 12K & 5K

    Sun, Nov 8, 2026
    Coronado, California
    road
    Rolling
    60PR40value55vibe
    music
    Register
    Half Marathon

    Catalina Island Half-Marathon & 10K

    Sat, Nov 14, 2026
    Avalon, California
    trail
    Rolling
    30PR40value45vibe
    Register
    Half Marathon

    Thrive San Diego Half Marathon & 5K

    Sat, Nov 14, 2026
    San Diego, California
    road
    Rolling
    60PR40value55vibe
    scenic
    Register
    Half Marathon

    Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5K

    Sat, Dec 12, 2026
    Oxnard, California
    road
    Rolling
    60PR50value75vibe
    festive
    charity
    Register
    Half Marathon

    San Diego Holiday Half Marathon & 5K

    Sat, Dec 19, 2026
    San Diego, California
    road
    Rolling
    60PR40value65vibe
    scenic
    festive
    Register

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    Top metros in California for half marathons

    Cities in California with the most half marathon races on the calendar.

    Bakersfield3San Diego2Auburn1Santa Venetia1San Ramon1Alameda1Modesto1Redding1Nevada City1Aqua Dulce1Chico1Malibu1