Club Name# Registered
    A Snail's Pace 82
    LA Leggers 49
    EASY RUNNERS 48
    Inland Empire Running Club 47
    Riverside Road Runners 37
    Pasadena Pacers 36
    Moms Run This Town 34
    Revolution Running 32
    Lopers Club 24
    Marathon Maniacs 24
    AREC/ A Running Experience Club 21
    AREC A Running Experience Club 21
    SBRT 19
    Sole Runners 19
    Pankl Racing 18
    South Bay Running Team 18
    LARC- Los Angeles Running Club 14
    Long Beach Galloway 14
    California Cruisers 13
    South Coast RoadRunners 13
    Cal Coast Track Club 11
    OC Craft Runners 10
    Dog Haus Running Club 8
    Team Runners High 8
    Fil Am Tri Club 7