How Breasts Affect Your Performance
It turns out there's an entire field of science dedicated to studying how and why boobs move
Mark Sisson Is the Pied Piper of Paleo
One of the biggest names in fitness has preached for years that a neo-paleo combination of protein and fats is the ultimate performance diet. Lately, he’s been telling his followers that they can even relax on the dietary guidelines a bit—while getting outside to play more. Can it really be this simple?
Treadmill Workouts Can Be Fun. Just Add Virtual Reality.
Virtual Runner is just one of an ever-growing list of apps aimed at improving indoor workouts through a virtual experience
How Should Runners Fuel?
The somewhat simple answer to a popular question
You Can Dig Deeper. Bring On the Pain
The brain’s tolerance for pain may be the deciding factor in how far we can push ourselves
The Latest on Low-Carb, High-Fat Diets
We've finally got the data
Are Running Studios the Future of Training?
A new trend of group treadmill training is being modeled after the success of other machine-based cardio classes
Chuckanut 50K Cheat Sheet
Everything you need to know about ultrarunning's ultimate gateway drug
The Boston Marathon Cheat Sheet
Champ Amby Burfoot and streak runner Ben Beach give the DL on the world’s most storied marathon
Ladies and Gentlemen: Your 2016 U.S. Olympic Marathon Team
The first members of the U.S. track and field team have punched their tickets to Rio
You Need to Relearn How to Run
Until a few years ago, the accepted wisdom for those looking to improve performance was just to run more, train smarter, or lose weight. Now, you might have to rethink how you run.
How Much Running Is Too Much Running?
We can all get obsessive about our daily workouts. When does obsession turn to addiction?
The Science of Running
Turns out that getting faster doesn't have to mean working harder. It's time to home your form, rethink stretching, and get creative about your workouts and meals. We asked our favorite athletes and coaches to dive into the science behind effective training. What they learned will change how you run.
The Average Outside Runner, Visualized
Because there’s a lot more to running than lacing up your shoes and hitting the pavement