Training for your first 10K? If you're not sure how many miles you need, try this simple mon...

By Ryan Wood

One important question new runners often neglect before they begin training: Are you really ...

By Sabrina Grotewold

It's your day to cross-train, but you still want to get your heart rate up some. Break a swe...

By Laura Forman

Swing, snatch, and clean your way to a slimmer and stronger you. These kettlebell moves will...

By Greatist.com

How much training do you need for a marathon? According to coach Pete Rea, 26.2-mile prep sh...

By Pete Rea

Chances are your cardio routine could use an overhaul. Try these tweaks to help you reach yo...

By Rachel Cosgrove

Want to become a better distance runner? Start by learning what VO2 max is, and how it affec...

By Jason R. Karp, Ph.D.

Runners can improve VO2 max with mileage and interval training, but how many miles and how m...

By Jason R. Karp, Ph.D.

Coach Nick Bollettieri breaks down how the game of tennis has changed and evaluates whether ...

By Nick Bollettieri

Training for your first marathon will be very different from other races. But don't get over...

By Jason Fitzgerald