You’re either an early bird or night owl runner—but which is better for you?

By Emilia Benton

Runners don't need to hammer their body with hours of lifting weights to reap the benefits o...

By Tom Holland

Are you confused about the different training zones and when you should train in each one? T...

By Michael Ricci

And how to use it effectively when you race.

By Tish Hamilton

By using heart rate to train, this runner found that to get faster, she had to slow down.

By Jason Karp

She swore she wouldn't run unless she was being chased--then she lost 100 pounds and ran 26.2.

By Jessica Skarzynski

As you head into the final stretch of training before 26.2 miles, keep these tips in mind.

By Jason R. Karp, Ph.D.

A good running style doesn't guarantee improved running performances because fitness also pl...

By Wes Hobson

What happens when you have a goal race and you just... quit training?

By Ali Nolan

No, running inside does not have to be a bore. Here's how to keep your intensity up and trai...

By Pete Rea / ZAP Fitness