If you are training for a race, or just working out every day to keep fit, OzFit Workouts are perfect cross-training workouts. Research studies have found that high-intensity cross-training workouts work muscle groups that aid in increasing stamina, strength, and speed. Some running coaches believe that the average runner need only run three days a week, and then spend two or three days doing cross-training such as OzFit. (All OzFit workouts offer cardio, plyometrics, and light weights.) An added benefit of using OzFit to cross-train is that you will be able to rest the joints and muscles specifically strained during long runs.