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World record progression 200 metres freestyle : ウィキペディア英語版 | World record progression 200 metres freestyle
(詳細はFreestyle. It is a listing of the fastest-time-ever swum in the event, in both long course (50m) and short course (25m) swimming pool. These records are maintained/recognized by FINA, which oversees international competitive swimming and Aquatics. The drop in world record times in the 2008/2009 coincided with the introduction of polyurethane suits from Speedo (LZR, 50% polyurethane) in 2008 and by Arena (X-Glide), Adidas (Hydrofoil) and Italian swimming suit manufacturer Jaked (all 100% polyurethane) in 2009. FINA's ban on non-textile suit came into effect on January 2010. FINA also release a list of approved suits. The long course records are historically older than the short course records; the latter having only been recognized since the early 1990s. ==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 200 metres freestyle」の詳細全文を読む
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