The Olympic Games competitions prior to FINA had included a variety of unusual events such as underwater swimming (1900), 200m obstacle swimming (1900)plunge for distance (1904).
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- 在国际泳联成立以前,奥运会游泳比赛曾非常规项目,如1900年奥运会上的潜泳、200米障碍泳以及1904年奥运会上的水上跳远等。