300 metres hurdles to beginning of a standard 400 meter hurdle race, but its placement on the track is shifted 100 meters around the track so it finishes at the common finish line on the straightaway, where the longer race would reach the same point near the end of the second turn. There are 8 hurdles in the high school version, the last hurdle just 10 meters before the finish line. High schools began adopting the longer hurdle event state by state starting in the 1960s. At the time, most which school competition was using United States customary units, so the race was
110 metres hurdles instead of being jumped over and with three steps each between the hurdles was first used by the 1900 Olympic champion, Alvin Kraenzlein. The 110 metre hurdles have been an Olympic discipline since 1896. Women ran it occasionally in the 1920s but it never became generally accepted. From 1926 on, women have only run the 80 metre hurdles which was increased to 100 metres starting in 1961 on a trial basis and in 1969 in official competition. In 1900 and 1904, the Olympics also included a 200-metre hurdles race, and the IAAF recognized world records for the 200 metre hurdles