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 ...

A heart rate monitor may be the key to unlocking your fitness goals. That’s because heart rate is a reliable indicator of your exercise input—it reflects the effort applied to every workout. Keeping ...

I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust ...

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 ...

A number of wrist-worn fitness and heart rate monitors exist to provide heart readings and help guide a person’s physical activity. But there is variable accuracy among these monitors, according to a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. July 9, 2025 Add as a ...

The Wahoo Trackr Heart Rate represents a complete redesign of the company's HR straps, including a new built-in rechargeable battery. The upgraded device boasts seemingly perfect heart rate accuracy ...

Recently released Beats Powerbeats Pro 2 wireless earbuds face major criticism due to substantial limitations in their heart rate monitoring capabilities, according to fitness reviewers and user ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...