- Jamaican sprinter Usain Bolt kept his name at London 2012 as the fastest man on earth by repeating the 100 meters and 200 meters golden double.

Whilst, American swimmer Michael Phelps concluded his long career in London. Though he didn't repeat the eight golds peak at the Beijing Games, he still won four golds and two silvers in seven events. As the most decorated Olympian in history, Phelps surpassed gymnast Larissa Latynia with 22 Olympic medals.

Michael Phelps of the US holds up his award recognizing him as the most decorated Olympian, during the London 2012 Olympic Games at the Aquatics Center, on Aug 4, 2012. Phelps ended his incredible Olympic career on the perfect note on Saturday, winning his 18th gold medal for the United States in the men's medley relay, the last time he will swim a competitive race. [Photo/Agencies]

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