Top 10 memories of the London Olympics

The speed. The medals. The poses. It could only be Usain Bolt, who electrified the London Games by becoming the first man to win the 100, 200 and 4x100 relay golds in back-to-back Olympics. Even IOC President Jacques Rogge, who initially balked at giving him "living legend" status, conceded that the six-time gold medalist "is the best sprinter of all time."

* Jamaica's Usain Bolt celebrates his win in the men's 4 x 100-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. Jamaica set a new world record with a time of 36.84 seconds.