World champion Jamaican sprinter Usain Bolt broke the world record of men's 100m at Beijing Olympics (video report) in China's National Stadium or Bird's Nest, August 16. His 9.68s is 0.04s faster than the previous 9.72s he set earlier this year! Usain Bolt won an Olympic gold medal for his country Jamaica. (Image credit: PR Photos)
Update: Usain Bolt's new world record was finally calibrated to 9.69s.