Swimming Swimming is indoor, popular and water competitive sport game for singles and teams, which takes place in rectangular pools Its history traced back long decades ago, but the first official swimming competitions started by the establishment of the International Swimming Federation, FINA, in 1908 The size of swimming pools is either long course pools; such as those used in the Olympic Games (50 m long by 25 m wide and at least m depth) or short course pools; such as those used in the FINA Championships (25m) Competition swimming pools have starting blocks in order to help a competitor dives in water and also for electronically time recording of each competitor In addition, swimmers, either men or women, wear special tools to ease diving and stroking; such as swim suits, a cap and goggles (to protect eyes from pool water and improve underwater vision) There are four (04) basic swimming categories, or styles, which are recognized by the International Amateur Swimming Federation Edited by Mr Djamel Eddine Chedni Swimming (FINA); the breaststroke, the butterfly, the backstroke and freestyle (the crawl) Edited by Mr Djamel Eddine Chedni