SHANGHAI, CHINA - SEPTEMBER 18:  Russian pole vault queen Yelena Isinbayeva(L) and Chinese 110-meter hurdles Liu Xiang(R) smile at the press conference of 2009 Shanghai Golden Grand Prix on September 18, 2009 in Shanghai of China. Olympic champions and world record holders of track and field competitions will participate in the one-day competition at Shanghai Stadium on September 20. Getty Images logo Getty Images 2 months ago

SHANGHAI, CHINA - SEPTEMBER 18: Russian pole vault queen Yelena Isinbayeva(L) and Chinese 110-meter hurdles Liu Xiang(R) smile at the press conference of 2009 Shanghai Golden Grand Prix on September 18, 2009 in Shanghai of China. Olympic champions and world record holders of track and field competitions will participate in the one-day competition at Shanghai Stadium on September 20.