100 metres hurdles Masters athletics. They run the same spacing as women, which coordinates with existing markings on most tracks, but run over 36-inch (0.915 m) hurdles. In the 60-69 age range, the spacings are changed. Women over age 40 and men over age 70 run 80 metre versions with different heights and spacings. 100 m hurdles: 100 metres hurdles The 100 metres hurdles, or 100-meter hurdles, is a track and field event run mainly by women (the male counterpart is the 110 metres hurdles). For the race, ten hurdles of a height of are placed along a straight course of . The
Athletics at the 1968 Summer Olympics – Men's 400 metres hurdles then John Sherwood edged past him at the line. The men's 400m hurdles competition started with four heats, where the four fastest runners from each race qualified to one of the two semifinals groups. The top four competitors from each semifinals group advanced to the final. Prior to the competition, the existing World and Olympic records were as follows. Heat 1 Heat 2 Heat 3 Heat 4 Heat 1 Heat 2 Athletics at the 1968 Summer Olympics – Men's 400 metres hurdles The Men's 400 metres hurdles competition at the 1968 Summer Olympics in Mexico City, Mexico took place on