Ian Thorpe
19.30
Yohan Blake Jamaica (JAM)
Usain Bolt Jamaica (JAM)
Warren Weir Jamaica (JAM)
Usian Bolt.
Athletes from over 200 different countries will be participating in the 2012 summer Olympics
Carmelita Jeter United States (USA)
Allyson Felix United States (USA)
19:19
200
200