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
10 kilometres race walk 10 kilometres race walk The 10 kilometres race walk, or 10-kilometer racewalk, is a racewalking event. The event is competed as a road race. Athletes must always keep in contact with the ground and the supporting leg must remain straight until the raised leg passes it. 10 kilometers is 6.21 miles. It was introduced at the 1912 Summer Olympics in Stockholm for men, and the 1992 Summer Olympics in Barcelona for women. It is no longer an Olympic event for women, having been changed to 20 km in 1999, though it is run in some international competitions. On May 28,