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In the sport of athletics, the four-minute mile is the act of completing the mile run (1,760 yards, or 1,609.344 metres) in less than four minutes. It was first achieved in 1954 by Roger Bannister in 3:59.4. The "four-minute barrier" has since been broken by many male athletes, and is now the standard of all male professional middle distance runners. In the last 50 years the mile record has been lowered by almost 17 seconds. Running a mile in four minutes translates to a speed of 15 miles per hour (24.14 km/h, or 2:29.13 per kilometer, or 14.91 seconds per 100 meters). ==Record holders== Breaking the four-minute barrier was first achieved on 6 May 1954, by Englishman Roger Bannister, with the help of fellow-runners as pacemakers. Two months later, during the 1954 British Empire and Commonwealth Games hosted in Vancouver, B.C., two competing runners, Australia's John Landy and Bannister, ran the distance of one mile in under four minutes. The race's end is memorialised in a statue of the two (with Landy glancing over his shoulder, thus losing the race) placed in front of the Pacific National Exhibition entrance plaza. New Zealand's John Walker, the first man to run the mile under 3:50, managed to run 135 sub-four-minute miles during his career (during which he was the first person to run over 100 sub-four-minute miles), and American Steve Scott has run the most sub-four-minute miles, with 136. Algeria's Noureddine Morceli was the first under 3:45. Currently, the mile record is held by Morocco's Hicham El Guerrouj, who ran a time of 3:43.13 in Rome in 1999. In 1964, America's Jim Ryun became the first high-school runner to break four minutes for the mile, running 3:59.0 as a junior and a then American record 3:55.3 as a senior in 1965. Tim Danielson (1966) and Marty Liquori (1967) also came in under four minutes, but Ryun's high-school record stood until Alan Webb ran 3:53.43 in 2001.〔(【引用サイトリンク】title=High School Records – Boys )〕 Ten years later, in 2011, Lukas Verzbicas became the fifth high-schooler under four minutes. In 2015, Matthew Maton and Grant Fisher became the sixth and seventh high-schoolers to break four minutes, both running 3:59.38 about a month apart.〔http://www.kval.com/sports/Future-Duck-Matthew-Maton-enters-record-books-with-under-4-minute-mile-303179181.html〕 Another illustration of the progression of performance in the men's mile is that, in 1994, forty years after Bannister's breaking of the barrier, the Irish runner Eamonn Coghlan became the first man over the age of 40 to run a sub-four-minute mile. Because Coghlan surpassed the mark indoors and before the IAAF validated indoor performances as being eligible for outdoor records, World Masters Athletics still had not recognised a sub-4-minute-mile performance as a record in the M40 division. Many elite athletes made the attempts to extend their careers beyond age 40 to challenge that mark. Over 18 years after Coghlan, that was finally achieved by UK's Anthony Whiteman, running 3:58.79 on 2 June 2012. No woman has yet run a four-minute mile. , the women's world record is held by retired Russian Svetlana Masterkova, with a time of 4:12.56 in 1996.〔(【引用サイトリンク】title=All-time women's best mile race )〕 In 1997, Daniel Komen of Kenya ran two miles in less than eight minutes, doubling up on Bannister's accomplishment.〔(【引用サイトリンク】title=World Records and Best Performances: Men's Track & Field )〕 He did it again in February 1998, falling just .3 behind his previous performance, still the only individual to accomplish the feat.〔http://www.alltime-athletics.com/m_2miok.htm〕 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「Four-minute mile」の詳細全文を読む スポンサード リンク
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