It's time to find your fastest self! This training plan can get you there—and help you learn how to calculate your target ...

CHICAGO (CBS)-- Bears running back David Montgomery said his working with the best speed trainer in the world. As CBS 2's Matt Zahn reported Thursday night, that trainer is Chris Korfist - a social ...

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 ...