400 metres hurdles to 400 metres, or one lap of the stadium, and the number of hurdles was reduced to ten. The official height of the hurdles was set to 91.4 cm (3 feet) for men and 76.20 cm (2 ft, 6 inches) for women. The hurdles were now placed on the course with a run-up to the first hurdle of 45 metres, a distance between the hurdles of 35 metres each, and a home stretch from the last hurdle to the finish line of 40 metres. The first documented 400 m hurdles race for women took place in 1971. The International Association
Athletics at the 2004 Summer Olympics – Men's 110 metres hurdles +1.2 m/s Qualification rule: The first three finishers in each heat (Q) plus the next four fastest overall runners (q) qualified. Wind: +1.5 m/s Wind: +1.5 m/s Wind: +1.5 m/s Wind: +1.5 m/s Qualification rule: The first four finishers in each heat (Q) moved on to the final. Wind: −0.1 m/s Wind: 0.0 m/s Wind: +0.3 m/s Athletics at the 2004 Summer Olympics – Men's 110 metres hurdles The men's 110 metre hurdles at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 24 to 27. The top four runners