Here are nine things you may not have known about the fastest marathoner in history.
There's not a cut-and-dry answer, but there are warning signs that your shoes need replacing.
The 29-year-old, 2:18-marathoner from Mammoth Lakes won the U.S. 50K trail title on Sunday in his first ultramarathon attempt.
Mario Fraioli advises a reader who wishes to attempt running a half marathon on only five weeks of training.
America's fastest marathoner puts an end to his self-coaching experiment.
Being a vegetarian doesn't mean you can't get the necessary protein your body needs.
The ultra-inspired sports utility bags have a multitude of uses beyond the trails.
New smartwatch could revolutionize your workouts.
Senior editor Mario Fraioli is looking forward to being part of the Boston Marathon's storied history next April.
Staying on top of your hydration in the heat and humidity can be tricky, so keep these key points in mind.