[VIDEO]http://www.youtube.com/watch?v=wRkeBVMQSgg]Proper Running Technique: Running Form Tips and Drills - YouTube[/VIDEO]
The fact that the chick in this isn't rail thin and is still fast/athletic as hell is all sorts of sexy. Her PR is a 4:40 mile (wtf), a 15:52 5K and a 32:25 10k. That's just over 5mim/mile for 6 miles.
1:50 or so btw to skip the dude.