Discover MX4 Small Group Training for afresh, motivating exercise experience that delivers results you can see. Only MX4 combines best-in-class training tools with exciting workouts to help you improve cardiovascular fitness, power, strength, and endurance in a way that’s right for your body and abilities. Whether you’re striving to shed a few pounds, enhance performance or improve overall fitness, MX4 will help you achieve more with a mix of personal trainer attention, camaraderie and challenging progressive workouts.