marathons

It doesn't just work your leg muscles—racing is rough on your intestines, too.

Experts are calling for changes ranging from the timing of events to the bidding process.

Years of design, engineering, and testing have produced some very fancy kicks. Here's a look at a few neat pairs.

Plus other wild Olympic facts from The Weirdest Thing I Learned This Week.

The Kenyan marathoner says he expects many runners to follow his lead.

The shoe company's newest—and priciest—racing shoe has more energy returning foam and a more weather-proof outer material.

Running is in our DNA, but training for a marathon is a careful mix of muscle, mental, and technological strength.

Your muscles are ready to run, whether you like it or not.

Our editors scrounged up some truly bizarre facts.

Feel fast everyday.