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 ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

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 ...

You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test. The Polar H10 heart ...

Olympic coverage is not complete without shots of anxious family members watching in the stands. But NBC has kicked things up a notch this time around by having parents of Olympians wear heart rate ...