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
Hurdling (horse race) Hurdling (horse race) A hurdle race in Great Britain and Ireland is a National Hunt horse race where the horses jump over obstacles called hurdles that are over three and a half feet high. They are typically made of a series of panels made of brush and are flexible. Hurdle races always have a minimum of eight hurdles and a minimum distance of two miles (3 km). National Hunt horses that have the size and scope to jump higher than the height of a hurdle, use these types of races in order to gain experience of jumping obstacles so they