The Well

The Achilles Tendon and the Runner

A runner’s guide to the largest, strongest—and most-often-injured—tendon in the human body

The Achilles Tendon: What Goes Wrong for Runners

The Achilles Tendon and Running Shoes

4 Exercises to Injury-Proof Your Achilles

How To Beat An Insertional Achilles Injury

Latest Stories

Ritz on Running: Magic Happens

When training and focus come together with the right conditions, breakthrough races are possible. Dathan Ritzenhein recalls his best race ever.

Woody Kincaid Opens Up

The newest sub-13:00 5K runner talks about how and why the Portland race happened, his teammates, his training, and how he handles critics.

More Latest Stories...

Training

Come here to find everything from strength-training workouts to distance-specific exercises and how to PR on your next race.

Gear

Find the right running shoes, apparel and more reviewed by our experts.

Nutrition

We cover nutrition tips and advice to help you improve your running performance and keep you on track to meet your wellness goals.

Become a Better Butter Burner

You can adapt your body to tap your vast energy reserves of fat through diet and training. Here’s how.

Five Questions About Fuel

Experts explain why it is worthwhile for runners to focus on fat-burning metabolism and blood sugar management.

Racing

Ritz on Running: Magic Happens

When training and focus come together with the right conditions, breakthrough races are possible. Dathan Ritzenhein recalls his best race ever.