The fastest female sprinter at the 2012 London Olympics was Shelley-Ann Fraser-Pryce. The Jamaican won the women's 100m gold in 10.75 seconds. The 2nd place was just 0.03 seconds behind her.
Yes, Brazil is competing in the 2012 Olympics.
Yes, Swaziland will be competing in the 2012 Olympics.
Yes, Aruba will be competing in the 2012 Olympics.
Yes, Azerbaijan will be competing in the 2012 Olympics.
Yes, Albania will be competing in the 2012 Olympics.
Yes, Andorra will be competing in the 2012 Olympics.
Yes, Argentina will be competing in the 2012 Olympics.
Yes, Australia will be competing in the 2012 Olympics.
Yes, Algeria will be competing in the 2012 Olympics.
Yes, Angola will be competing in the 2012 Olympics.
Yes, Armenia will be competing in the 2012 Olympics.