Athletics at the 2012 Summer Olympics – Men's 50 kilometres walk Athletics at the 2012 Summer Olympics – Men's 50 kilometres walk The men's 50 kilometres race walk at the 2012 Olympic Games in London was held on 11 August on a route along The Mall and Constitution Hill. The event was marred by the disqualification of all three Russian athletes due to doping violations. With 63 starters, there was a large pack at the start, Matej Tóth walking along the side barrier was the first to take the front. By first water stop former world champion Sergey Kirdyapkin and reigning world champion Sergey Bakulin moved to front, with 3 Australians
Athletics at the 2012 Summer Olympics – Women's 20 kilometres walk Athletics at the 2012 Summer Olympics – Women's 20 kilometres walk The women's 20 kilometres walk at the 2012 Summer Olympics in London, United Kingdom, was held on 11 August on a route along The Mall and Constitution Hill. From the start of the race, defending champion Olga Kaniskina took the lead, only Liu Hong would go with her. The two opened up a big gap with a chase pack of a Guatemalan, the other 2 Russians, other 2 Chinese. By the end of 8K the pack began to lose walkers, Mirna Ortíz and Johanna Jackson were disqualified, and Liu