A marathon? That's cute. The most extreme run you've never heard of is 3,100 miles over 52 d...

By Theresa Juva-Brown

When you begin training for a marathon, you gain entry into a special club. Here are 13 thin...

By Megan Harrington |

Strava released data it gathered from over 5.6 million runners, showing the best average mil...

By Kolby Paxton

Adhering to these tips will give you a leg up on keeping your legs healthy as you approach r...

By Beth Shaw

We hope you never need most of the products on this list, but with runner safety at a premiu...

By Jackie Veling & Kolby Paxton

Long-distance linguistics can be quite confusing. Forget fartleks, what the heck does this s...

By Pete Rea

Speed up your next marathon with these tips to run fast and far. Find out how to run a faste...

By Patrick McCrann

Every fit person should be able to dramatically improve their 10K time, says Slowtwitch publ...

By Dan Empfield

If you run the same pace, distance and frequency all the time, you'll never improve. Bust ou...

By Jason Fitzgerald

Train to run faster without piling on the miles or adding more workouts. Here's a fresh look...

By Jason Fitzgerald