3 Interval Training Workouts for Speed

High-intensity efforts build power, speed, and fitness—fast.

By Cindy Kuzma

The Importance of Base Building for Marathon Training

Without a proper base and progression of increased intensity over a period of "real" marathon training, runners can increase chances of injury and ...

By Thad McLaurin

How to Nail the Triathlon Run

The triathlon run doesn't have to be the most difficult part of your race. Here are five tips to help you tackle the third leg like a pro.

By Roman Mica

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

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.