The original high-intensity workout. 20 seconds of all-out effort followed by 10 seconds of rest, repeated 8 times for a total of 4 minutes.
Load This Workout!A great starting point for high-intensity interval training. Balanced work and rest periods to build your endurance. 30 seconds of work, 30 seconds of rest.
Load This Workout!Push your limits with longer work periods and minimal rest. This 50/10 split is designed for maximum calorie burn and cardiovascular improvement.
Load This Workout!