Gold medallist Ashton Eaton of the United States, left, and silver medallist Trey Hardee of the United States celebrate following the decathlon 1500-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)
United States' Allyson Felix, second from right, crosses the finish line to win gold ahead of Jamaica's Shelly-Ann Fraser-Pryce, right, in the women's 200-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)
United States' Brittney Reese competes in the women's long jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)
United States' Brittney Reese competes in the women's long jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)
United States' Allyson Felix, second from right, crosses the finish line to win gold ahead of Jamaica's Shelly-Ann Fraser-Pryce, right, in the women's 200-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)
South Africa's Oscar Pistorius competes in a men's 400-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 4, 2012. (AP Photo/Matt Dunham)
South Africa's Oscar Pistorius competes in a men's 400-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 4, 2012. (AP Photo/Matt Dunham)
Poland's Tomasz Majewski makes an attempt in the qualification for the men's Shot Put during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)
Poland's Tomasz Majewski makes an attempt in the qualification for the men's Shot Put during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)
