If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

For when you need to be in "zone 2" and have no idea what that is.

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

That tension becomes especially clear with heart rate zone training, a popular five-tier system that endurance athletes use to measure effort and fine-tune performance. The well-known formula is ...

When Joe Driscoll toed the line at the U.S. Men's Olympic Marathon Trials in November, he knew that maintaining an even pace would be trickier than usual on the rolling hills of New York City's ...

The basic appeal of heart rate-based training is that it offers a scientific approach to optimize your workouts. Whether you’re putting in miles before a marathon, prepping for a big game, or simply ...

LOGAN, Utah--(BUSINESS WIRE)--iFit, a global leader in interactive connected fitness technology, today announced the upcoming release of iFit ActivePulse automatic heart rate training. iFit’s cutting ...

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 ...

Tracking your heart rate with a heart rate monitor (HRM) during your runs is one of the most powerful ways to optimize your training, whether you're a dedicated marathoner, power triathlete, or just ...

Does every run send your heart rate soaring? Experts explain why intentionally slowing your pace and sticking to heart rate ...

Well, not always. While these tools offer helpful insights, their data isn’t infallible. And, sometimes, it can lead users to overlook what their own bodies are trying to tell them. That tension ...