Your watch already tracks heart rate, but turning on this view helps you adjust your workouts in real time. Here's how to do it.

Qualifying for the Boston Marathon has always been a major milestone—and impressive goal—for runners. It’s gotten all the ...

Healthy Eater's macro calculator calculates your macronutrient ratio based on your age, gender, height, weight and activity ...

"Overall, it is a fact that stair-climbing gets you fit faster and consumes more calories," said Lauri van Houten, vice ...

Sustainable weight loss is a slow and steady process. Here’s how to determine how many calories you should eat for healthy ...

We compiled this list of 20-minute run workouts recommended by coaches. Pace can be personal, so refer to a pace calculator ...