What Pace Should I Run, Coach?

As a runner, there are only four speeds you need to run. Find out what they are and when to use them.

By Jason R. Karp, Ph.D.

8 Ways Estrogen and Progesterone Affect Your Running

As a female runner, your training schedule should take your hormones into account. Find out eight secrets of estrogen and progesterone to run stron...

By Jason R. Karp, Ph.D.

How to Cope with Runner's Side Stitches

Got side stitches when you run? Here's how to deal with them.

By Jason Fitzgerald

Pilates for Runners

If you've never tried Pilates, it's time. Find out how this targeted core training can make you stronger and resistant to injuries.

By Caitlin Chock

Running Past a Plateau

Most runners reach a plateau. Learn how to bust past them to reach new running heights.

By Jason Fitzgerald

Couch-to-5K Member of the Month: December, 2014

Need a little inspiration to kick-start your comeback story? Check out this month's Couch-to-5K Member of the Month.

By Hunter Hewitt

3 Awesome Beginner Treadmill Workouts

Want to burn some extra calories this winter? Try these three treadmill workouts to get fit fast and prevent holiday weight gain.

By Jason R. Karp, Ph.D.

Pregnant Running

How safe is it to run while pregnant? Find out with this running tour through the trimesters.

By Jason R. Karp, Ph.D.