Our fast friends enable us to train at a higher level with reduced exertion, but are there t...

By Jason R. Karp, Ph.D.

Running affects the female body differently than the male body. Here’s everything women shou...

By Jason Karp

Plus, a dynamic routine to prime your body for many miles.

By Mackenzie Lobby

Ready to PR your next 13.1. These training tips will put you in top form.

By Coach Jenny Hadfield

Are you ready for 140.6 miles of racing? Expert Gale Bernhardt explains what to expect when ...

By Gale Bernhardt

More than half of all runners fall victim to injury—but it doesn’t have to be this way. Foll...

By Jason R. Karp, Ph.D.

It’s hard to know what your stomach can handle on a long run, but don’t forgo breakfast! Try...

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