And when it’s better to hold back. You’ve completed a few half marathons, and your sights are set on a new goal: breaking two hours. You download a training plan designed to help you do just that.

Running an ultramarathon is a beast of an endeavor. An expert shares everything you need to know about ultramarathon training ...

Learn why exercise can help you live a long and healthy life, and how to exercise to get this amazing benefit.

A shakeout run means clocking a few miles at an easy pace a day or two before a half or full marathon. With a few precautions ...

Get massive quads, hamstrings, and calves with this intense 30-minute leg workout. Perfect for time-crunched schedules. Build ...