When Runner's World readers were asked to list their essential kit last year, heart-rate monitors came out on top. Unfortunately for the female runner, using a heart-rate monitor is usually an ...

From watches to chest straps, a heart rate monitor can optimize your workouts. Polar, Garmin, and Fitbit top our list. See what else we’re wearing to run, swim, cycle, and more. Heart rate monitors ...

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 ...

Steps used to be the one single way fitness trackers assessed their daily health goals, but times have changed. It’s all about the heart rate now, and monitors need to be accurate to give you a good ...

The Scosche Rhythm+ heart rate monitor can help a person manage their heart rate. It can also track calories a person has burned, distance, and pace. It attaches to the forearm and can connect with ...