The Summit Seeker: How Running Changed My Life

Stuck in a rut and need inspiration? Read how one ultrarunner found herself through the repetitive but comforting act of putting one foot in front ...

By Vanessa Rodriguez

Why You Should Vary Your Running Terrain

The top three reasons to vary terrain: build power and speed, prevent injury and add diversity to your routine. Learn how to implement these variat...

By Caitlin Chock

Base-Building for Your First 10K: The 50-Mile Challenge

Training for your first 10K? If you're not sure how many miles you need, try this simple month-long challenge to make training fun and productive.

By Ryan Wood

6 Steps to Prepare Mentally For Your First 5K

If you just signed up for your first 5K, know that it's just as important to get your mind ready as your body. These six tips will get you in shape...

By Laura Forman

Are You Really a Beginning Runner?

One important question new runners often neglect before they begin training: Are you really a beginning runner? Take this quiz to find out.

By Sabrina Grotewold

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.