110 metres hurdles 100 yards (91.44 m). The first standards were attempted in 1864 in Oxford and Cambridge: The length of the course was set to 120 yards (109.7 m) and over its course, runners were required to clear ten 3 foot 6 inch (1.07 m) high hurdles. The height and spacing of the hurdles have been related to Imperial units ever since. After the length of the course was rounded up to 110 metres in France in 1888, the standards were pretty much complete (except for Germany where 1 metre high hurdles were used until 1907). The massively constructed hurdles 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