"It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and ...

Because Zone 2 training is moderate in intensity, it also comes with a lower risk of injury. Unlike high-intensity workouts ...

I used to obsess over those online calorie calculators before marathons. You know the ones – punch in your weight, […] The ...

Forget guesswork. By understanding these five heart rate zones, you can optimize every workout and experience maximum results.