Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the best heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...

The best heart rate monitors will help you train efficiently and keep track of your fitness. A heart rate monitor will record and/or transmit your pulse rate in beats per minute. Heart rate monitors ...

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 ...

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 ...

Training smart means mixing up the intensity of your runs – not just going out all-guns blazing on every effort. But distance, time and pace are all blunt tools for measuring effort, which is where ...