These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

An abnormal heart rate or a slow heart rate is often a consequence of ageing or an underlying cardiovascular condition.

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones.

You likely know the importance of zone 2 training—low-intensity miles that are the foundation of distance running plans. The challenge? Finding your personal zone 2 range, and sticking to it. That’s ...

Zone 1 typically falls between 50 and 60 percent of your maximum heart rate, making it the lowest-intensity zone in the ...

Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best chest strap heart-rate monitor overall? The best chest strap heart-rate ...

Everything you need to know about the MAF method and how this heart rate training hack can guide your runs ...

Endurance athletes often have low resting heart rates as a result of intense training, but a new study published in Circulation suggests that a predisposition to prominent bradycardia may be encoded ...

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...