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
Wetherby Mares' Hurdle Wetherby Mares' Hurdle The Wetherby Mares' Hurdle is a Listed National Hunt horse race in Great Britain which is open to mares aged four years or older. It is run at Wetherby over a distance of about 2 miles (3,219 metres), and during its running there are nine hurdles to be jumped. The race is scheduled to take place each year in late October or early November. It was first run in 2007 over the slightly shorter distance of 2 miles as the Daniel Gath Homes Mares Only Hurdle Race and was won by Annie's Answer. In 2008 the race