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
300 metres hurdles in 2002. After another decade, Jane Horder advanced the W55 record to 49.00 in 2012. By the time Raschker reached W60, Marge Allison had already put the record out to 51.64. Allison also has the W65 record at 54.06. Florence Meiler had the W70 record at 1:07.16 and Johnnye Valien had the W75 record at 1:29.00 before the event was retired. 300 metres hurdles The 300 metres hurdles (also spelled 300 meters hurdles in American English) is an athletics or track and field event. It is a cut down version of the International event the 400 metres hurdles. It is