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Each heart rate zone serves a unique purpose by utilizing a different energy system in your body. By exercising in heart rate zones that are structured around your fitness goals, you can make your workouts more personalized and efficient, and you can reduce recovery time.
50% - 60%
of your max. heart rate
60% - 70%
70% - 80%
80% - 90%
90% - 100%
It's not the number of steps you take. It's how much heart you put into it. PAI is a revolutionary new system that gives meaning to your heart rate with one number that tells you how much activity you need to stay healthy.
Find out how to calculate your maximum heart rate. Use this, along with your resting heart rate to determine your personal heart rate zones.
Learn how to calculate your resting heart rate. Finding this number along with your maximum heart rate will help you discover your heart rate zones and monitor your progress.
Once you have found your max and resting heart rates, you can start training with heart. Check out our free heart rate training plans and crush your next race!