Your heart rate can tell you more about your workout than speed, distance, or calories burned.

"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 ...

Picture this: You’re headed out for a prescribed zone 2 training day, so you keep your run at what you think should be a relaxed pace. But quickly, you find yourself either panicking because you’re ...

For years, many runners have used heart rate-based training to maximise their running potential. This method includes working at five ‘zones’, where your heart is beating at a percentage of its ...

If you've been eyeing the Garmin Forerunner 970, you may be drawn to two of its buzz-worthy features: running economy and step speed loss. But there's a catch: You can't access either metric without ...

Apple, Garmin, Samsung, Google or Amazfit? I put these watches through the paces to see where they land on step, distance and heart rate accuracy. Vanessa is a lead writer at CNET, reviewing and ...