High Intensity Interval Training: Sprint Workout

If you really want to burn some serious calories while building endurance and power, this short, efficient sprint interval workout is for you.

HIIT Workouts for Beginner Running Routines

Sport and fitness runner man with parachute running on road

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Healthy Man Running Mountain Road Rear View Athlete Practicing

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The Physiology of Sprint Interval Training - IDEA Health & Fitness Association