30-Second Sprint Workouts - 30-Second Sprint Workouts Build Fitness Fast. If you want to get fit faster, adding high-intensity efforts, such as 30-seconds sprint training, will give you impressive results.
For anyone who doesn't have time for long, steady endurance exercise, but wants the same or better cardiovascular benefits, consider sprint workouts. Although many exercise guidelines recommend up to sixty minutes of moderate exercise three times a week, most people fail to get that much exercise for many reasons, including lack of time and lack of results. Interval Training Workouts - Interval Training Workouts Improve Speed and Endurance. Interval training has been used by athletes for years to build fitness.
Interval training combines short, high intensity bursts of speed, with slow, recovery phases, repeated during one exercise session. An early form of interval training, "Fartlek" (a Swedish term meaning 'speed play') was casual and unstructured. A runner would simply increase and decrease his pace at will. Today, athletes use more structured interval training workouts and HIT (High Intensity Training) to build speed and endurance. Beast Skills.