Avoid a Running Injury With the 10 Percent Rule

Run too much, too soon, and you're bound to get hurt. There's a reason why the 10 percent rule is a rule: it works. Here's how to use it.

By Mackenzie Lobby

How Much Marathon Training Do You Really Need?

How much training do you need for a marathon? According to coach Pete Rea, 26.2-mile prep should be inversely proportional to your fitness. Find ou...

By Pete Rea

How to Improve VO2 Max

Runners can improve VO2 max with mileage and interval training, but how many miles and how much intensity? Depends on how much you want to improve.

By Jason R. Karp, Ph.D.

Minutes vs. Miles: Training by Time or by Distance

There are pros and cons to training by time and training by distance. Find out which one is best for your specific running goals.

By Alex Hutchinson

How to Run Well at Your First Half Marathon

Ask yourself why you want to run your first half marathon. A clear mission will give you purpose. Get 12 more tips for 13.1-mile newbies.

By Danny Dreyer

How to Adjust When You Feel Bad During a Running Workout

The most difficult aspect of a bad workout is deciding how to proceed once you know it's not your day. Learn how to cope productively.

By Jeff Gaudette

Beat the Competition at Your Next Race With Fartlek Workouts

If train your body to fartlek, or surge, in a race, you can use it to try to beat your competition. These three workouts can help.

By Caitlin Chock

5 Tips for Training While on Vacation

A vacation away from home can offer a few training challenges. These hurdles are easily surmounted with this plan.

By Karen Janos