The Swimming competition of the 10th FINA World Aquatics Championships consisted of 40 long course (50 m) events, swum July 20âÂÂ27, 2003 in Barcelona, Spain. Swimming's 40 events were split evenly between males and females (20 each) and were:
Legend: <small>WR – World Record; CR – Championship Record</small>
Legend: <small>WR – World Record; CR – Championship Record</small>
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