Many data-driven runners have a grasp on common heart rate metrics, like resting heart rate, maximum heart rate and heart rate zones. But there’s another, often undervalued data point worth keeping ...

When you stop exercising, your heart does not immediately come back to its normal resting rate. The heart returns to its normal rhythm at a gradual pace, during a process called heart rate recovery ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...