13.1 Reasons to Go 13.1

Need a reason to run a half marathon? How about 13.1 reasons?

By Runner's World

The 7 Things No One Ever Tells You About Running a Half-Marathon

Thinking about running a half marathon? Here are the difficult lessons one runner learned on her own.

By Laurel Leicht

Fartlek Workouts to Elevate Your Fitness

Increase your fitness level by changing up your running routine with fartleks.

By Pete Rea

3 Ways to Get Faster in Four Weeks

What's the quickest way to run faster in four weeks? Check out these three secrets.

By Sarah Crouch

Recovering Right During Interval Training

Ever wonder what to do after each rep of an interval workout? Find out the type and amount of rest to take to make a difference in your performance.

By Mackenzie Lobby Havey

Pro Runner Amy Hastings' Boston Marathon Tips

With the Boston Marathon only days away, what can you learn from one of its entrants—professional runner Amy Hastings?

By Caitlin Chock

The Secret Sauce to Building Your Aerobic Base

Do you get injured as you increase your mileage? Find out how to build a base safely without getting injured and to run faster than ever.

By Jason R. Karp, Ph.D.

10 Reasons to Run with a Pace Group

If you want to PR or qualify for Boston don't go it alone. A pacer can help you reach your goals. Here's how.

By Rachel Toor