Competitors walk during the "Good Luck Beijing" 2008 IAAF Race Walking Challenge in front of the National Stadium, known as "Bird's Nest" in Beijing, April 18, 2008. The walk race is the first event held in this main venue for the Beijing Olympic Games.

Competitors walk during the "Good Luck Beijing" 2008 IAAF Race Walking Challenge at the National Stadium, known as "Bird's Nest" in Beijing, April 18, 2008.

Competitors walk during the "Good Luck Beijing" 2008 IAAF Race Walking Challenge at the National Stadium, known as "Bird's Nest" in Beijing, April 18, 2008.

Australia's Jared Tallent (C, gold medallist), China's Wang Hao (L, silver medallist) and Mexico's Eder Sanchez (R, bronze medallist) wave during awarding ceremony for the men's 20km walk match at the "Good Luck Beijing" 2008 IAAF Race Walking Challenge in the National Stadium, known as "Bird's Nest" in Beijing, April 18, 2008. The walk race is the first event held in this main venue for the Beijing Olympics.

China's Wang Hao reacts during the awarding ceremony for men's 20km walk match at the "Good Luck Beijing" 2008 IAAF Race Walking Challenge in the National Stadium, known as "Bird's Nest" in Beijing, April 18, 2008. Wang won the silver of the match. The walk race is the first event held in this main venue for the Beijing Olympics.

(Xinhua News Agency April 19, 2008)