Usain Bolt lit the world on fire at the 2008 Beijing Olympic Games as he set the world record in the 100 meters (9.69), 200 meters (19.30), and the 4x100 meters (37.10). He followed up that performance… + See More +Usain Bolt lit the world on fire at the 2008 Beijing Olympic Games as he set the world record in the 100 meters (9.69), 200 meters (19.30), and the 4x100 meters (37.10). He followed up that performance… + See More - See Less -Usain Bolt lit the world on fire at the 2008 Beijing Olympic Games as he set the world record in the 100 meters (9.69), 200 meters (19.30), and the 4x100 meters (37.10). He followed up that performance by shattering both the 100 and 200 meter marks at the 2009 Berlin World Championships with 9.58 and 19.19 performances respectively. | 
![real video of usain bolt setting world record [ not fake]](http://i2.ytimg.com/vi/1_oz-K4cYVM/default.jpg)
how can you fix a hamstring to 100% in less than a month?
and if he was 100% how about his training?
that is why tyson gay didn't make it.
i'm sure he was just saving it for the finals, but it definitely cost him.
Usain is crazy.!