Fitness trackers and smartwatches can make it easier to stay in your heart rate training zones. (Getty Creative) Forget the guesswork — fitness just got easier to master. As fitness trackers grow in ...

Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...

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 ...

We may earn a commission from links on this page. The Powerbeats Pro 2 are a new set of headphones with a really interesting feature—Apple says they can measure your heart rate during workouts. Huge ...