Club Name# Registered
    A Snail's Pace 66
    Inland Empire Running Club 41
    EASY RUNNERS 39
    LA Leggers 36
    Revolution Running 31
    Pasadena Pacers 30
    Moms Run This Town 29
    Riverside Road Runners 27
    Marathon Maniacs 22
    AREC/ A Running Experience Club 21
    SBRT 19
    Lopers Club 18
    South Bay Running Team 15
    Long Beach Galloway 14
    Sole Runners 14
    AREC A Running Experience Club 13
    California Cruisers 12
    Pankl Racing 12
    LARC- Los Angeles Running Club 11
    South Coast RoadRunners 10
    Cal Coast Track Club 9
    OC Craft Runners 9
    Team Runners High 8
    Dog Haus Running Club 6
    West Coast Road Runner Club 6