usain bolt

How can we compare the greatest sprinter and greatest swimmer in Olympic history?
Every Sunday we post the "Sunday Seven" so you can quickly see the 7 most popular articles of the week. This week's hot topics - Primal Move, CrossFit, tips for lifting, Usain Bolt, and more!
Get inside Usain Bolt's head as he explains what he's thinking during a 100m sprint. It may only take 9 seconds, but an endless stream of thoughts is going through his head.