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

Here’s how to train your brain to carry you to the finish line.

By Tish Hamilton

We did the hard math to figure out how many miles you’d have to run to burn off your entire ...

By McGee Nall