Club Name# Registered
    Easy Runners 28
    Inland Empire Running Club 27
    A Snail's Pace 23
    AREC/ A Running Experience Club 14
    Moms Run This Town 13
    LA Leggers 12
    Riverside Road Runners 12
    Marathon Maniacs 9
    Lopers Club 9
    Sole Runners 8
    Pasadena Pacers 7
    Pankl Racing 7
    Long Beach Galloway 6
    LARC- Los Angeles Running Club 6
    California Cruisers 6
    Team Runners High 4
    Cal Coast Track Club 4
    5K and Beyond Running Group 3
    100 Mile Club 2.0 3
    Dog Haus Running Club 3
    South Bay Running Team 3
    South Coast Roadrunners 2
    Team Jake 1
    Friends Forever 1
    Forrest Runners Club 1