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World record progression 4 × 200 metres freestyle relay : ウィキペディア英語版 | World record progression 4 × 200 metres freestyle relay (詳細はswimming event. The 4×200 metres freestyle relay is a relay event in which each of four swimmers on a team swims a 200-metre freestyle leg in sequence. The world records are recognized by and maintained by FINA ("Fédération Internationale de Natation"), the international competitive swimming and aquatics federation that overseas the sport in international competition. World records in swimming were first recognized by FINA in 1908. The long course (50-metre pool) world records are historically older than the short course (25-metre pool) records. FINA amended its regulations governing the recognition of world records in 1956; specifically, FINA mandated that only record times that were contested in 50-metre (or 55-yard) pools were eligible for recognition after that time.〔Craig Lord, "( A Time of Change for World Records )," SwimVortex.com (28 May 2013). Retrieved 20 March 2015.〕 The short-course world records have been separately recognized since 1991. The men's 4×200-metre event was first contested at 1908 Summer Olympics in London, but the women's 4×200-metre event didn't appear until the 1996 Summer Olympics in Atlanta. Prior to 1996, the shorter 4×100-metre freestyle relay was the only women's freestyle relay event staged. ==Men==
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「World record progression 4 × 200 metres freestyle relay」の詳細全文を読む
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