Sport of athletics athletics tracks for ease of measurement, and the 1908 Summer Olympics in London saw the introduction of the 3500-metre and 10-mile walks. Racewalking was briefly dropped from the Olympic programme in 1928, but the men's 50 kilometres race walk has been held at every Olympic Games but one since 1932. The men's 20 kilometres race walk was added to the Olympic athletics schedule in 1956 and the women's event was first held in 1992. The most common events in modern competition are over 10 km, 20 km and 50 km on roads, although women's 3 km and men's 5 km
Athletics at the 2016 Summer Olympics – Men's 20 kilometres walk Athletics at the 2016 Summer Olympics – Men's 20 kilometres walk The men's 20 kilometres race walk at the 2016 Summer Olympics in Rio de Janeiro took place on 12 August on a route along Pontal. Wang Zhen was the first male athletics medallist of the games. His Chinese teammate Cai Zelin was second and Dane Bird-Smith of Australia took the bronze. Miguel Ángel López of Spain, the reigning 2015 World Champion, was among the favourites though he was not high on the world lists that year. The defending 2012 Olympic champion Chen Ding had been defeated in national competition