Ever wonder where we get the juice to run? Get ready to go back to science class with this d...

By Jason R. Karp, Ph.D.

The best way to fuel your body through a marathon is to drink enough fluids and consume at l...

By Matt Fitzgerald

Did you sign up for your first marathon and now you're not sure where to start? Here are sev...

By Maile Proctor

It takes us about six to eight weeks to form a habit. Learn how to make running a healthy ha...

By Brendan Cournane

Before a marathon, should you drink until your urine is clear, or drink for thirst? Active E...

By Matt Fitzgerald

An inappropriate warm-up often leads to a slower workout. Prime your body to run optimally w...

By Jay Johnson

Running your first 5K can be stressful, but it doesn't have to be. Prepare like a seasoned r...

By Tyler Pake

If you're traveling to warmer weather for a race or vacation, the sudden increase in tempera...

By Karen Janos

Fat has a bad reputation. But high-fat diets offer one significant benefit to runners. Learn...

By Matt Fitzgerald

A runner's reality comes with creaks and squeaks, but warding off common injuries such as Ac...

By Caitlin Chock