Any form of cardio, like running, raises your heart rate. But how high is too high? If you look at your heart rate monitor and notice your bpm (beats per minute) has climbed to, say, 170, you should ...

Running with a high heart rate is often a clue to overtraining or needing to take a step back in the base building process. But it could also be a gear issue or a deeper health signal. Let’s talk ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman wearing running jacket looks at her running watch. The accuracy of optical sensors only gets worse in cold weather, so if ...

Apple, Garmin, Samsung, Google or Amazfit? I put these watches through the paces to see where they land on step, distance and ...