The run/walk method has been around since the 1970s, and it has surged in popularity as more athletes learn that regular walk intervals may help you run longer—and faster. Olympic marathoner and ...

This iPhone app is so elegantly designed that, while you still won’t want to work out, you’ll really wish that you did. Runkeeper was placed on Earth by supreme beings of some sort. Its programmable, ...

If you’re in a run/walk training program, going out for a workout isn’t as easy as lacing up a pair of running shoes, connecting your GPS watch, and selecting the “open run” option. You need to track ...

High intensity interval training (HIIT) is only effective for improving fitness when performed at 60-second intervals, according to new research. High intensity interval training (HIIT) is only ...