ATHLETICS: World's Top Ten Fastest Human Beings

10) Michael Johnson: At one time, Johnson held two world records. However, neither one was the 100-meter record so he can’t be faster than the other sprinters on the list.

9) Donovan Bailey: Long forgotten, Bailey once held the world 100 record which at the time was 9.84. Plus, he beat Johnson head to head in the infamous 150-meter race.

MICHEAL JOHNSON: Athletics cant be free from doping

Four-time Olympic champion Michael Johnson believes it is "unrealistic" to think athletics will ever be drug-free. Six Jamaicans, including former 100m world-record holder Asafa Powell and 2004 Olympic sprint relay champion Sherone Simpson, tested positive for banned substances earlier this year. Read more after the cut.....