Race walking at the Olympics the first two editions, the women's event was extended to match the men's 20 km distance from the 2000 Sydney Olympics onwards. Women have never commonly competed internationally over 50 km, thus it has never been proposed as an Olympic event – as of 2012 it remains the only event on the Olympic athletics programme in which men compete, but women do not have an equivalent. The 50 km is also the longest distance race for an Olympic athletics event. The Olympic records in racewalking were all broken at the 2012 London Olympics. In the 20 km walk Chen Ding
2013 World Championships in Athletics – Men's 20 kilometres walk 2013 World Championships in Athletics – Men's 20 kilometres walk The men's 20 kilometres walk at the 2013 World Championships in Athletics was held at the Luzhniki Stadium and Moscow streets on 11 August. The first leader was Takumi Saito who set the pace for the first 5K, opening up a gap on the pack, with his Japanese teammate Yusuke Suzuki the first to chase him down. Suzuki moved out to a 13-second lead by the 10K mark. The six chasers included all three 2012 Olympic medalists. The first to catch him was bronze medalist Wang Zhen who pulled out