Italy’s Alex Schwazer celebrates winning the men’s 50km walk at the ‘Bird’s Nest’ National Stadium during the 2008 Beijing Olympic Games on August 22, 2008. Schwazer won the men’s 50km walk gold medal in a new Olympic record of 3hr 37:09. Australia’s Jared Tallent won silver with a personal best of 3hr 39:27, while Russia’s Denis Nizhegorodov won the bronze in 3hr 40:14 (OLIVIER MORIN/AFP/Getty Images)

Alex Schwazer celebrating winning the men's 50km walk at the 2008 Beijing Olympic Games. Schwazer won the men's 50km walk gold medal in a new Olympic record of 3hr 37:09  (OLIVIER MORIN/AFP/Getty Images)