Australia's Anna Mears shows the gold medal she won in the track cycling women's sprint event, during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. Meares of Australia spoiled the British party at the London Velodrome on Tuesday, winning the Olympic gold medal in the women's sprint 2-0 over defending champion Victoria Pendleton and settling for good a decade-long rivalry. (AP Photo/Christophe Ena)