| 2009 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 1 m | men | women |
| 3 m | men | women |
| 10 m | men | women |
| Synchronised | ||
| 3 m | men | women |
| 10 m | men | women |
| Open water swimming | ||
| 5 km | men | women |
| 10 km | men | women |
| 25 km | men | women |
| Swimming | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | men | women |
| 1500 m | men | women |
| Backstroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
| Synchronised swimming | ||
| Solo | ||
| Technical | women | |
| Free | women | |
| Duet | ||
| Technical | women | |
| Free | women | |
| Team | ||
| Technical | women | |
| Free | women | |
| Combination | women | |
| Water polo | ||
| Tournament | men | women |
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.
Prior to this competition, the existing world and competition records were as follows:
| World record |  Kate Ziegler (USA) | 15:42.54 | Mission Viejo, United States | 27 June 2007 |
| Championship record | Kate Ziegler (USA) | 15:53.05 | Melbourne, Australia | 27 March 2007 |
The following records were established during the competition:
| Date | Round | Name | Nationality | Time | Record |
|---|---|---|---|---|---|
| 28 July | Final | Alessia Filippi |  Italy | 15:44.93 | CR |
| Rank | Name | Nationality | Time | Lane | Notes |
|---|---|---|---|---|---|
 | Alessia Filippi | Italy | 15:44.93 | 6 | ER , CR |
 | Lotte Friis |  Denmark | 15:46.30 | 4 | NR |
 | Camelia Potec |  Romania | 15:55.63 | 3 | |
| 4 | Kristel Köbrich |  Chile | 15:57.57 | 5 | SA |
| 5 | Erika Villaécija García |  Spain | 16:00.25 | 2 | NR |
| 6 | Wendy Trott |  South Africa | 16:09.22 | 7 | |
| 7 | Melissa Gorman |  Australia | 16:09.66 | 8 | |
| 8 | Chloe Sutton | United States | 16:16.10 | 1 |
|
The first world record in the men's 1500 metres freestyle in a long course swimming pool was recognised by the International Swimming Federation (FINA) in 1908. In short course pools, the world's governing body recognizes world records since March 3, 1991.
The women's 400 metre freestyle at the 2007 World Aquatics Championships took place on 25 March at Rod Laver Arena in Melbourne, Australia.
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 1500 metre freestyle at the 2007 World Aquatics Championships was held on the morning of 31 March (heats) and the evening of 1 April (final) at Rod Laver Arena in Melbourne, Australia. 50 swimmers were entered in the event, of which 47 swam.
The Women's 1500 Freestyle at the 2007 World Aquatics Championships took place on the morning of March 26 (prelims) and the evening of March 27 (finals) at the Rod Laver Arena in Melbourne, Australia.
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 50m Freestyle at the 2007 World Aquatics Championships took place on 31 March and 1 April (finals) at Rod Laver Arena in Melbourne, Australia. A total of 143 swimmers were entered in the event; 138 swam the event.
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 200 m freestyle race at the 2009 World Championships took place in the morning and evening of 28 July and the final took place in the evening session of 29 July at the Foro Italico in Rome, Italy.
The Women's 400 m Freestyle race at the 2009 World Championships was held on 26 July at the Foro Italico in Rome, Italy.
The heats for the Women's 100m Breaststroke race at the 2009 World Championships took place on Monday, 27 July and Tuesday 28 July (final) at the Foro Italico in Rome, Italy.
The men's 1500 metre freestyle at the 2005 World Aquatics Championships occurred on the morning of 30 July (heats) and in the evening of 31 July (final) in the Olympic pool at Parc Jean-Drapeau in Montreal, Canada. 34 swimmers were entered in the event, of which 33 swam.
The Women's 100m Freestyle event at the 11th FINA World Aquatics Championships was swum 28 – 29 July 2005 in Montreal, Quebec, Canada. Preliminary heats and Semifinal heats were 28 July; the final was 29 July.
The Women's 1500m Freestyle event at the 10th FINA World Aquatics Championships swam on 21–22 July 2003 in Barcelona, Spain. Preliminary heats swam during the morning session on July 21, with the top-8 finishers advancing to swim again in the event's Final during the evening session on July 22.
