From chest straps to wrist-based wearables, these are the top heart rate monitors I've tested and recommend buying.

Your heart rate can tell you a lot about your body, including how well adapted it is to running, how hard you're working during a training session, and how well you're recovering afterwards. There are ...

There are forearm-based heart rate monitors, wrist-based heart rate monitors, smartwatches, fitness trackers and even ...

Tracking your heart rate with a heart rate monitor (HRM) during your runs is one of the most powerful ways to optimize your training, whether you're a dedicated marathoner, power triathlete, or just ...

Coros has announced a heart rate monitor strap designed to combine some of the best characteristics of chest strap monitors and simple wrist-worn ones. You wear the Coros Heart Rate Monitor on your ...

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 ...

These are independent reviews of the products mentioned, but TIME receives a commission when purchases are made through affiliate links at no additional cost to the purchaser. These are independent ...

With great battery life and a reasonable price tag, the Coros Heart Rate Monitor nails the basics. Accuracy stood up to testing – and while an EKG chest strap might have the edge in terms of pro-grade ...

Omron Evolv Wireless Blood Pressure Monitor ($60): The portable monitor provides precise clinical readings and features a built-in display that conveniently shows your results. Through Bluetooth ...

You can use the ECG app on your Apple Watch to monitor your heart rate and detect irregularities, in which case you should notify your doctor.