The Swimming competition at the 11th FINA World Aquatics Championships consisted of 40 long course events, swum July 24–31, 2005 at pools in Parc Jean-Drapeau in Montreal, Quebec, Canada. Swimming's 40 events were split evenly between males and females and were:
The men's 4 × 100 metre medley relay at the 2007 World Aquatics Championships took place on 1 April 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics.
The Men's 200 Individual Medley event at the 2005 FINA World Aquatics Championships was swum 27 – 28 July 2005 in Montreal, Quebec, Canada. Preliminary and Semifinal heats were 27 July; the Final 28 July. The top-16 swimmers from the Prelims in the morning advanced to the 1 of 2 Seminfinal in the evening; the top-8 swimmers from the Semifinals then advanced to the Final the next evening.
The Men's 200 Individual Medley event at the 10th FINA World Aquatics Championships swam 24–25 July 2003 in Barcelona, Spain. Preliminary and Semifinal heats swam July 24; the Final was July 25.
The Men's 400m Individual Medley event at the 2005 FINA World Aquatics Championships was swum on 31 July 2005 in Montreal, Quebec, Canada. Preliminary heats were held in the day's morning session, with the top-8 finishers advancing to swim again in the event's final that evening.
The Men's 4×100 Medley Relay at the 10th FINA World Swimming Championships (25m) was swum on 19 December 2010 in Dubai, United Arab Emirates. 21 nations swam in the Preliminary heats in the morning, from which the top-8 finishers advanced to the Final that evening.
The swimming portion of the 2011 FINA World Championships was held July 24–31 at the Shanghai Oriental Sports Center in Shanghai, China. Swimming is one of five aquatic disciplines at the championships.
The American team competed at the 2011 World Aquatics Championships in Shanghai, China from July 16 to July 31. The United States topped the gold medal count in the competition with 17 golds and finished the competition with 32 total medals, behind China's 36. 16 of the 17 gold medals came from the swimming competition and one came from the open water swimming competition. Individually, Michael Phelps won the most overall medals in the competition with seven. Ryan Lochte won the most gold medals among the male competitors with five and finished the competition with six medals total.
The Men's 4×100 Medley Relay event at the 10th FINA World Aquatics Championships swam on 27 July 2003 at the Palau Sant Jordi in Barcelona, Spain. Preliminary heats swam during the day's morning session, with the top-8 teams advancing to swim again in a Final heat in the day's evening session.
The Men's 4×100 Freestyle Relay event at the 2005 FINA World Aquatics Championships was swum on July 24, 2005 in Montreal, Quebec, Canada. 24 teams swam in preliminary heats in the day's morning session, with the top-8 teams from the prelims advancing to swim again in the final heat in the day's evening session.
The Men's 4x200 Freestyle Relay event at the 11th FINA World Aquatics Championships was swum on July 29, 2005 in Montreal, Quebec, Canada. 22 teams swam in the event's preliminary heats in the day's morning session; with the top-8 finishers advancing to swim again in the event's final that evening.
The Men's 4×100m Freestyle Relay event at the 10th FINA World Aquatics Championships swam on July 20, 2003. Preliminary heats swam in the morning session that day, with the top eight teams advancing to swim again in the Final that evening.
The Women's 4×100 Freestyle Relay event at the 11th FINA World Aquatics Championships swam on 24 July 2005 in Montreal Canada.
The Women's 4x200 Freestyle Relay event at the 11th FINA World Aquatics Championships swam on 28 July 2005 in Montreal, Canada
The Women's 4x100 Medley Relay event at the 11th FINA World Aquatics Championships swam on 30 July 2005 in Montreal, Canada.
The Men's 4×200 Freestyle Relay event at the 10th FINA World Aquatics Championships swam on July 23, 2003. Preliminary heats swam in the morning session that day, with the top eight teams advancing to swim again in the Final that evening.
The Women's 4x100m Freestyle Relay event at the 10th FINA World Aquatics Championships swam 20 July 2003 in Barcelona, Spain. Preliminary heats swam in the morning session, with the top-8 finishers advancing to swim again in the Final that evening.
The Women's 4x100m Medley Relay event at the 10th FINA World Aquatics Championships swam 26 July 2003 in Barcelona, Spain. Preliminary heats swam in the morning session, with the top-8 finishers advancing to swim again in the Final that evening.
USA, swum August 21, 2004 in Athens, Greece 
