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 ...

You can learn a lot by listening to your heart, which is where the best heart rate monitors come in. Whether you’re at the gym, out for a run or in for a swim, the pulse sensors below will never miss ...

The top heart rate monitors provide the best accuracy — but also comfort and convenience. Explore the best options in this guide. The best heart rate monitors are accurate, comfortable, and offer ...

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