Heart Rate Training

If you've ever wondered why your heart rate is high, even on easy runs, here's why you may be feeling a rapid beat—and when to worry about it.

Everyone's heart rate is going to be different. Here's how to know if yours is healthy.

Plus, a look at the accuracy of heart rate monitors.

Your body is a powerful machine, and at the center of it all lies a strong, pounding engine.

An easy, common-sense approach to finding your max heart rate without a laboratory stress test.

We break down the basics of how to run based on heart rate.

Heart rate training may be the key to your easy days.