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
2014 World Junior Championships in Athletics – Men's 110 metres hurdles at 17:32 on 23 July. Wind: -1.6 m/s, -0.3 m/s, −1.7 m/s. The final commenced at 19:33 on 24 July. Wind: +0.5 m/s. 2014 World Junior Championships in Athletics – Men's 110 metres hurdles The men's 110 metres hurdles at the 2014 World Junior Championships in Athletics was held at Hayward Field from 22 to 24 July. , the records were as follows: Qualification: First 3 in each heat (Q) and the next 3 fastest (q) advanced to the semi-finals. The heats commenced at 11:01 on 22 July. Wind: +0.1 m/s, +0.5 m/s, −0.2 m/s, −0.1 m/s, −0.3 m/s, +0.7