The Women's 200m Individual Medley at the 2007 World Aquatics Championships took place on 25 March and the evening of 26 March (finals) at the Rod Laver Arena in Melbourne, Australia. 50 swimmers were entered in the event, of which 49 swam.
The Women's 200m Butterfly at the 2007 World Aquatics Championships took place on 28 March and the evening of 29 March (finals) at the Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 54 swam.
This article includes the world record progression for the 4×200 metres freestyle relay, and it shows the chronological history of world record times in that competitive swimming event. The 4×200 metres freestyle relay is a relay event in which each of four swimmers on a team swims a 200-metre freestyle leg in sequence. The world records are recognized by and maintained by FINA, the international competitive swimming and aquatics federation that oversees the sport in international competition.
The men's 200 metre butterfly at the 2007 World Aquatics Championships took place on 27 March and on the evening of 28 March (final) at Rod Laver Arena in Melbourne, Australia. 64 swimmers were entered in the event, of which 62 swam.
The Women's 200m Freestyle at the 2007 World Aquatics Championships took place on 27 March and 28 March (finals) at Rod Laver Arena in Melbourne, Australia.
The Women's 200m Breaststroke at the 2007 World Aquatics Championships took place on 29 March and the evening of 30 March (finals) at the Rod Laver Arena in Melbourne, Australia. 55 swimmers were entered in the event, of which 54 swam.
The Women's 4 × 200 m Freestyle Relay at the 2007 World Aquatics Championships took place on 29 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 25 teams were entered in the event; all swam.
The men's 4×200 metre freestyle relay at the 2007 World Aquatics Championships took place on 30 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 27 teams entered and swam the event.
The men's 200 metre individual medley (IM) at the 2007 World Aquatics Championships took place on 28 March and on the evening of 29 March (final) at Rod Laver Arena in Melbourne, Australia. 79 swimmers were entered in the event, of which 74 swam.
The men's 200 metre breaststroke at the 2007 World Aquatics Championships took place on 29 March and on the evening of 30 March (final) at Rod Laver Arena in Melbourne, Australia. 85 swimmers were entered in the event, of which 79 swam.
The men's 100 m freestyle at the 2009 World Championships took place on 29 July and the evening of 30 July (finals) at the Foro Italico in Rome, Italy.
The heats for the Women's 1500 m Freestyle race at the 2009 World Championships took place on the morning of 27 July and the final was held in the evening session of 28 July at the Foro Italico in Rome, Italy.
The heats for the men's 200 metre butterfly race at the 2009 World Championships took place in the morning of 28 July, with the final in the evening session of 29 July at the Foro Italico in Rome, Italy.
The women's 200 m butterfly at the 2009 World Championships took place on 29 July and on the evening of 30 July (finals) at the Foro Italico in Rome, Italy.
The heats for the Men's 200 metre Individual Medley race at the 2009 World Championships took place in the morning and evening of 29 July and the final took place in the evening session of 30 July at the Foro Italico in Rome, Italy. The order of swimming in the medley was butterfly, backstroke, breaststroke, freestyle.
The men's 200 metre backstroke at the 2007 World Aquatics Championships took place on 29 March and 30 March (final) at Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 55 swam.
The men's 200 freestyle at the 11th FINA World Aquatics Championships swam 25+26 July 2005 in the Olympic pool at Parc Jean-Drapeau in Montreal, Canada. 95 swimmers were entered in the preliminary heats, which swam in the morning of July 25. The top-16 swimmers from the prelims advanced on to semifinal heats that evening. From the semifinals, the top 8 swimmers advanced onto the next night's final.
The Women's 200 Freestyle at the 11th FINA World Aquatics Championships was swum 26 and 27 July 2005 in Montreal, Quebec, Canada. On 26 July, preliminary heats and semifinals occurred, and on 27 July a final heat was swum in the evening. 64 swimmers were entered in the event, of which 62 swam in one of 8 heats. The top-16 swimmers from the preliminary heats advanced on to semifinals; the top-8 swimmers in the two semifinals heats advanced onto the next night's final.
