By Brett and Kate McKay

Editor’s Note: This is a guest post from Matt Frazier.

For the past few decades, running hasn’t seemed so cool.

For most guys, the thought of running–not for another sport or because you’re being chased, but for its own sake–conjures up images of high school gym class. Or maybe a skinny guy in short shorts.

But that’s all changing. Runners like ultramarathoner Dean Karnazes are giving distance running a new face, and redefining our image of what a distance runner’s body looks like. Races like the Tough Mudder and Warrior Dash are exploding in popularity, as alternatives to the same old road 5K or half marathon.

Even what we wear on our feet is changing: the barefoot running movement and minimalist barefoot-style... More...