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
2009 World Championships in Athletics – Men's 20 kilometres walk 2009 World Championships in Athletics – Men's 20 kilometres walk The men's 20 kilometres walk event at the 2009 World Championships in Athletics was held throughout the city of Berlin on August 15, beginning and ending at the Brandenburg Gate. With the 2007 champion and 2008 Olympic silver medallist Jefferson Pérez having retired, the reigning Olympic champion Valeriy Borchin was regarded as strong favourite. He had recorded the world-leading time prior to the tournament and had been undefeated that season. The Olympic third and fourth-place finishers, Jared Tallent and Wang Hao, were regarded as the strongest challengers to Borchin. Italians