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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク 300 metres hurdles ： ウィキペディア英語版 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 a standard event under the NFHS in American high school competition and a championship level event in Masters athletics. The two iterations of the event vary somewhat. Common to all long hurdling events, the distance between hurdles is 35 metres. ==High School== The high school version uses a standard 45 meter start to the first hurdle. Thus the high school race is equivalent 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,〔http://articles.chicagotribune.com/1985-06-14/sports/8502070922_1_george-porter-porter-won-t-hurdles〕 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 the 330 yard hurdles and since that occurred before Title IX, competition was only for boys. By the mid 1970s girls competition had been added, but girls events were still undergoing a stage of evolution. Essentially the administrators did not know the capabilities of women and were overly cautious not to put them into too difficult events. Metrication finally took hold in the NFHS in 1980, the last major sports governing body to adopt metric distances. The official distance became 300 meters, but many competitions continued to be in yards because the tracks were still marked for that distance. Hurdle heights also have undergone a period of evolution. Until 1984, boys ran over low hurdles 30" in height. When girls were introduced to the event around 1981, they ran the same height as the boys until the boys height was raised to the full intermediate hurdle height of 36" for the 1984 season. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「300 metres hurdles」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.