What's more awe-inspiring than a running cheetah? A running cheetah breaking a speed record. "Sarah" from the Cincinnati Zoo sprinted 100 meters in 6.13 seconds, making her the fastest known land mammal.

So by now you've seen the guy who dances around the world.  What's stopping a similarly enterprising fellow from running across God's green earth... naked?  Evidently nothing, as this clip proves.  In the beautiful summer of 2

Horse races are usually known for fantastically over-the-top outfits and hats, but this streaker decided to go with a more minimalist fashion statement. It's not only shocking to watch this bare naked man run with the horses,...

We're not usually the kind to show celebrities attempting to flee from paparazzi, but we thought the sudden sprint from Transformers star Shia LaBeouf worthy of applause. Looks like the smoking isn't slowing him down any....

Katie Holmes went running, though not away from Tom Cruise. She ran all 26.2 miles of the NYC Marathon in a respectable five and half hours. Holmes didn't even look like she'd broken a sweat when she met her husband and...

They talked about going to do it. They did it. Then they talked about having done it. The talking about it is a little boring, but the execution of the stunt is brilliant and quite, er, ballsy.