Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When I started running more consistently a little over a year ago, I had a lot ...

Even on training plans built for those with the loftiest of speed goals, you’ll notice that easy runs make up the bulk of the workouts. No matter the distance, clocking your fastest time requires a ...

For years, runners have used heart rate-based training to maximize their running potential. This method includes five “zones” at which your heart is beating at a percentage of its maximum capacity. In ...