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
2013 World Championships in Athletics – Men's 110 metres hurdles 1: −0.3 m/s, Heat 2: −0.3 m/s. Wind: +0.3 m/s. 2013 World Championships in Athletics – Men's 110 metres hurdles The men's 110 metres hurdles at the 2013 World Championships in Athletics was held at the Luzhniki Stadium on 11 and 12 August. Prior to the competition, the records were as follows: Heats were held on 11 August. Wind:<br>Heat 1: +0.5 m/, Heat 2: -0.3 m/, Heat 3: +0.5 m/, Heat 4: -0.6 m/ Qualification: First 3 in each heat (Q) and the next 3 fastest (q) advanced to the semifinals. Qualification: First 3 in each heat (Q) and the