Who won the 100 metres of 2012 London Olympics Usain Bolt of Jamaica won the 100 meters for men and Shelly-Ann Fraser-Pryce of Jamaica won for the women.
There are 410 athletes in the Australian Olympic team competing at the London 2012 olympics.
There will be 75 athletes competing for Jamaicia
There is no country called Rio. Therefore it does not have any competitors in the Olympics
The 2012 Olympics will be in London.
Yohan Blake, of Jamaica, finished second place in the 2012 London Olympics Men's 100m final. He finished in 9.75 seconds, and placed behind Usain Bolt, also from Jamaica.
Jamaica's Usain Bolt's 9.63 at the 2012 London Olympics.
The Olympics are going to be in London in 2012
The 2012 London Olympics are being held in London.
The 2012 London Olympics end on August 12, 2012.