Usa-Places.com has listed approx 4 gyms in TX 78665. Some of the Top rated gyms in TX 78665 are- Gold's Gym, OBiiKE Fitness | Gym in Round Rock offering Strength & Conditioning Functional Fitness Group Classes Personal Training HIIT and Weight Loss Workouts, Gold's Gym North Round Rock & OBK Fitness | Gym in Round Rock offering Strength & Conditioning Functional Fitness Group Classes Personal Training HIIT and Weight Loss Workouts.