A rider from Team Colombia races during thefirst round of the Men's Team Pursuit at the Velodrome, Tuesday, August 2, 2012, in London. (AP Photo/Marc Serota)
Team Colombia races during thefirst round of the Men's Team Pursuit at the Velodrome, Tuesday, August 2, 2012, in London. (AP Photo/Marc Serota)
Michael Phelps of the United States swims during the Men's 100 meter butterfly qualifying heat at the Aquatics Center, Tuesday, July 31, 2012, in London. (AP Photo/Marc Serota)
Left to right American's Carli Lloyd, Alex Morgan and Kelly Ohara celebrate a goal against Japan during the women's soccer gold medal match at Wembley Stadium, Friday, August 9, 2012, in London. (AP Photo/Marc Serota)
Usain Bolt of Jamaica runs in a semi final heat to quaify in the 100 meter race at Olympic Stadium, Saturday, August 5, 2012, in London. (AP Photo/Marc Serota)
Vilma Rimsaite of Leitova races during the women's Cycling BMX semi-finals at the BMX Track , Friday, August 10, 2012, in London. (AP Photo/Marc Serota)
Multiple bikes crash during heat one of the men's Cycling BMX semi-finals at the BMX Track , Friday, August 10, 2012, in London. (AP Photo/Marc Serota)
Gabrielle Douglas of the United States completes during the Women's Team Gymnastics competition at North Greenwich Arena, Tuesday, July 31, 2012, in London. The American women defeated the Russian's to take the gold medal in team competition. (AP Photo/Marc Serota)
