The swimming competition at the 12th FINA World Aquatics Championships was held in Rod Laver Arena in Melbourne, Australia, from 25 March to 1 April 2007. This portion of the 2007 Worlds featured 40 events (20 for males, 20 for females), all swum in a long course (50 m) pool:

• freestyle: 50 m, 100 m, 200 m, 400 m, 800 m and 1500 m;
• backstroke: 50 m, 100 m and 200 m;
• breaststroke: 50 m, 100 m and 200 m;
• butterfly: 50 m, 100 m and 200 m;
• individual medley (I.M.): 200 m and 400 m; and
• relays: 4x100 m free, 4x200 m free, and 4x100 m medley.

The 2007 World Championships served in qualifying for the Swimming portion at the 2008 Olympics in two ways:

1. It was the main relay qualifier, with the top-12 finishers in each relay automatically qualifying for the 16-entry field at the 2008 Olympics (the other 4 teams were filled with the 4 fastest remaining nations).
2. Those nations who did not have swimmers who meet the Olympic qualifying times, and wanted a "wildcard" entry into the Olympics, need to have their potential swimmers swim at the 2007 Worlds.

166 nations had 1,142 swimmers entered at the 2007 Worlds:^[1]

Morning/heats sessions began at 10:00 a.m., with the evening sessions (semifinals and finals) beginning at 7:00 p.m. All events were contested in a long-course (50 m) pool. In the 50 m, 100 m, and 200 m events, heats/semifinals/finals were held; with heats in the morning of the first day of the event, semifinals that evening, and finals the next evening. For races 400 m, 800 m, or 1500 m in length, only heats and finals were held. For the 400 m events (both individual and relay), heats and finals were held on the same day. For the individual 800 m and 1500 m free events, heats were held in the morning with finals in the next day's evening session (approximately 36 hours apart). For the 4×200 m freestyle relay, heats and finals were the same day (matching the other 2 relays).

Key

• WR - World Record
• CR - Championship Record

Men's events

More information Event, Gold ...

Event	Gold		Silver		Bronze
50 m freestyle details	Ben Wildman-Tobriner  USA	21.88	Cullen Jones  USA	21.94	Stefan Nystrand  Sweden	21.97 NR
100 m freestyle details	Filippo Magnini  Italy Brent Hayden  Canada	48.43 48.43 NR			Eamon Sullivan  Australia	48.47
200 m freestyle details	Michael Phelps  USA	1:43.86 WR	Pieter van den Hoogenband  Netherlands	1:46.28	Park Tae-Hwan  South Korea	1:46.73 AS
400 m freestyle[2] details	Park Tae-Hwan  South Korea	3:44.30 AS	Grant Hackett  Australia	3:45.43	Yury Prilukov  Russia	3:45:47
800 m freestyle[2] details	Przemysław Stańczyk  Poland	7:47.91 NR	Craig Stevens  Australia	7:48.67	Federico Colbertaldo  Italy	7:49.98 NR
1500 m freestyle details	Mateusz Sawrymowicz  Poland	14:45.94 ER	Yury Prilukov  Russia	14:47.29 NR	David Davies  Great Britain	14:51.21
50 m backstroke details	Gerhard Zandberg  South Africa	24.98 AF	Thomas Rupprath  Germany	25.20	Liam Tancock  Great Britain	25.23
100 m backstroke details	Aaron Peirsol  USA	52.98 WR	Ryan Lochte  USA	53.50	Liam Tancock  Great Britain	53.61 NR
200 m backstroke details	Ryan Lochte  USA	1:54.32 WR	Aaron Peirsol  USA	1:54.80	Markus Rogan  Austria	1:56.02 NR
50 m breaststroke details	Oleg Lisogor  Ukraine	27.66	Brendan Hansen  USA	27.69	Cameron van der Burgh  South Africa	27.88
100 m breaststroke details	Brendan Hansen  USA	59.80	Kosuke Kitajima  Japan	59.96	Brenton Rickard  Australia	1:00.58
200 m breaststroke details	Kosuke Kitajima  Japan	2:09.80	Brenton Rickard  Australia	2:10.99	Loris Facci  Italy	2:11.03
50 m butterfly details	Roland Schoeman  South Africa	23.18	Ian Crocker  USA	23.47	Jakob Andkjær  Denmark	23.56 NR
100 m butterfly details	Michael Phelps  USA	50.77	Ian Crocker  USA	50.82	Albert Subirats  Venezuela	51.82
200 m butterfly details	Michael Phelps  USA	1:52.09 WR	Wu Peng  China	1:55.13	Nikolay Skvortsov  Russia	1:55.22 =NR
200 m individual medley details	Michael Phelps  USA	1:54.98 WR	Ryan Lochte  USA	1:56.19	László Cseh  Hungary	1:56.92 ER
400 m individual medley details	Michael Phelps  USA	4:06.22 WR	Ryan Lochte  USA	4:09.74	Luca Marin  Italy	4:09.88 NR
4×100 m   freestyle relay details	USA Michael Phelps (48.42) Neil Walker (48.31) Cullen Jones (48.67) Jason Lezak (47.32) Garrett Weber-Gale[a] Ben Wildman-Tobriner[a]	3:12.72 CR	Italy Massimiliano Rosolino (49.35) Alessandro Calvi (49.06) Christian Galenda (48.45) Filippo Magnini (47.18) Lorenzo Vismara[a]	3:14.04 ER	France Fabien Gilot (49.18) Frédérick Bousquet (48.48) Julien Sicot (48.84) Alain Bernard (48.18) Grégory Mallet[a] Amaury Leveaux[a]	3:14.68 NR
4×200 m   freestyle relay details	USA Michael Phelps (1:45.36) Ryan Lochte (1:45.86) Klete Keller (1:46.31) Peter Vanderkaay (1:45.71) Jayme Cramer[a] Dave Walters[a]	7:03.24 WR	Australia Patrick Murphy (1:48.55) Andrew Mewing (1:47.52) Grant Brits (1:48.21) Kenrick Monk (1:45.77) Nick Ffrost[a]	7:10.05	Canada Brian Johns (1:48.46) Brent Hayden (1:46.59) Rick Say (1:47.59) Andrew Hurd (1:48.06)	7:10.70
4×100 m   medley relay details	Australia Matt Welsh (54.78) Brenton Rickard (59.63) Andrew Lauterstein (52.63) Eamon Sullivan (47.89) Hayden Stoeckel[a] Michael Klim[a] Kenrick Monk[a]	3:34.93	Japan Tomomi Morita (54.76) Kosuke Kitajima (59.23) Takashi Yamamoto (51.90) Daisuke Hosokawa (49.27) Masafumi Yamaguchi[a]	3:35.16 AS	Russia Arkady Vyatchanin (54.08) Dmitry Komornikov (1:00.65) Nikolay Skvortsov (52.13) Evgeny Lagunov (48.65) Roman Sloudnov[a] Andrey Kapralov[a]	3:35.51

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Women's events

More information Event, Gold ...

Event	Gold		Silver		Bronze
50 m freestyle details	Libby Lenton  Australia	24.53	Therese Alshammar  Sweden	24.62	Marleen Veldhuis  Netherlands	24.70
100 m freestyle details	Libby Lenton  Australia	53.40 =CR, OC	Marleen Veldhuis  Netherlands	53.70 NR	Britta Steffen  Germany	53.74
200 m freestyle details	Laure Manaudou  France	1:55.52 WR	Annika Lurz  Germany	1:55.68 NR	Federica Pellegrini  Italy	1:56.97
400 m freestyle details	Laure Manaudou  France	4:02.61 CR	Otylia Jędrzejczak  Poland	4:04.23 NR	Ai Shibata  Japan	4:05.19 AS
800 m freestyle details	Kate Ziegler  USA	8:18.52 CR	Laure Manaudou  France	8:18.80 NR	Hayley Peirsol  USA	8:26.41
1500 m freestyle details	Kate Ziegler  USA	15:53.05 CR	Flavia Rigamonti  Switzerland	15:55.38 NR	Ai Shibata  Japan	15:58.55 AS
50 m backstroke details	Leila Vaziri  USA	28.16 WR	Aleksandra Gerasimenya  Belarus	28.46	Tayliah Zimmer  Australia	28.50
100 m backstroke details	Natalie Coughlin  USA	59.44 WR	Laure Manaudou  France	59.87 ER	Reiko Nakamura  Japan	1:00.40 NR
200 m backstroke details	Margaret Hoelzer  USA	2:07.16 CR, AM	Kirsty Coventry  Zimbabwe	2:07.54 AF	Reiko Nakamura  Japan	2:08.54 NR
50 m breaststroke details	Jessica Hardy  USA	30.63	Leisel Jones  Australia	30.70	Tara Kirk  USA	31.05
100 m breaststroke details	Leisel Jones  Australia	1:05.72 CR	Tara Kirk  USA	1:06.34	Anna Khlistunova  Ukraine	1:07.27 ER
200 m breaststroke details	Leisel Jones  Australia	2:21.84	Kirsty Balfour  Great Britain Megan Jendrick  USA	2:25.94
50 m butterfly details	Therese Alshammar  Sweden	25.91	Danni Miatke  Australia	26.05 OC	Inge Dekker  Netherlands	26.11
100 m butterfly details	Libby Lenton  Australia	57.15 CR, =OC	Jessicah Schipper  Australia	57.24	Natalie Coughlin  USA	57.34 AM
200 m butterfly details	Jessicah Schipper  Australia	2:06.39	Kim Vandenberg  USA	2:06.71	Otylia Jędrzejczak  Poland	2:06.90
200 m individual medley details	Katie Hoff  USA	2:10.13 CR	Kirsty Coventry  Zimbabwe	2:10.76 AF	Stephanie Rice  Australia	2:11.42 OC
400 m individual medley details	Katie Hoff  USA	4:32.89 WR	Yana Martynova  Russia	4:40.14 NR	Stephanie Rice  Australia	4:41.19
4×100 m   freestyle relay details	Australia Libby Lenton (53.42) CR, =OC Melanie Schlanger (53.95) Shayne Reese (54.90) Jodie Henry (53.21) Danni Miatke[b] Sally Foster[b]	3:35.48 CR, OC	USA Natalie Coughlin (54.13) Lacey Nymeyer (53.50) Amanda Weir (54.02) Kara Lynn Joyce (54.03) Dana Vollmer[b]	3:35.68 AM	Netherlands Inge Dekker (54.57) Ranomi Kromowidjojo (54.82) Femke Heemskerk (54.13) Marleen Veldhuis (53.29) Chantal Groot[b]	3:36.81 NR
4×200 m   freestyle relay details	USA Natalie Coughlin (1:56.43) AM Dana Vollmer (1:57.49) Lacey Nymeyer (1:59.19) Katie Hoff (1:56.98) Amanda Weir[b] Margaret Hoelzer[b] Kara Lynn Joyce[b]	7:50.09 WR	Germany Meike Freitag (1:59.56) Britta Steffen (1:57.58) Petra Dallmann (2:00.40) Annika Lurz (1:56.28)	7:53.82	France Alena Popchanka (1:57.86) Sophie Huber (1:58.80) Aurore Mongel (2:01.04) Laure Manaudou (1:58.26) Céline Couderc	7:55.96 NR
4×100 m   medley relay details	Australia Emily Seebohm (1:00.79) Leisel Jones (1:04.94) Jessicah Schipper (57.18) Libby Lenton (52.83) Tarnee White[b] Felicity Galvez[b] Jodie Henry[b]	3:55.74 WR	USA Natalie Coughlin (1:00.66) Tara Kirk (1:06.37) Rachel Komisarz (57.06) Lacey Nymeyer (54.22) Leila Vaziri[b] Jessica Hardy[b] Dana Vollmer[b] Amanda Weir[b]	3:58.31	China Xu Tianlongzi (1:01.06) Luo Nan (1:09.08) Zhou Yafei (57.84) Xu Yanwei (53.99)	4:01.97

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Medal table

  *   Host nation (Australia)

More information Rank, Nation ...

Rank	Nation	Gold	Silver	Bronze	Total
1	United States	20	13	3	36
2	Australia*	9	7	5	21
3	France	2	2	2	6
4	Poland	2	1	1	4
5	South Africa	2	0	1	3
6	Japan	1	2	4	7
7	Italy	1	1	4	6
8	Sweden	1	1	1	3
9	Canada	1	0	1	2
	South Korea	1	0	1	2
	Ukraine	1	0	1	2
12	Germany	0	3	1	4
13	Netherlands	0	2	3	5
	Russia	0	2	3	5
15	Zimbabwe	0	2	0	2
16	Great Britain	0	1	3	4
17	China	0	1	1	2
18	Belarus	0	1	0	1
	Switzerland	0	1	0	1
20	Austria	0	0	1	1
	Denmark	0	0	1	1
	Hungary	0	0	1	1
	Venezuela	0	0	1	1
Totals (23 entries)		41	40	39	120

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Wikinews has related news:

• Tunisian swimmer Oussama Mellouli stripped of championship for doping

On 11 September 2007, an anti-doping ban was issued to Tunisia's Oussama Mellouli, with a retroactive nullification of his results which included his swims at the 2007 Worlds. Mellouli had finished in the top-3 in 2 events, and consequently, his results nullification adjusted the overall medals standings, particularly effecting Australia, Italy, Poland, Russia and Tunisia (Tunisia was removed all together, as Mellouli was the country's only medal winner).

The following world and championship records were broken during the competition.

World records

More information Date, Event ...

Date	Event	Time	Name	Nation
March 27	Men's 200 m freestyle final	1:43.86	Michael Phelps	United States
March 27	Women's 100 m backstroke final	59.44	Natalie Coughlin	United States
March 27	Men's 100 m backstroke final	52.98	Aaron Peirsol	United States
March 27	Women's 200 m freestyle semifinals	1:56.47	Federica Pellegrini	Italy
March 28	Women's 50 m backstroke semifinals	28.16	Leila Vaziri	United States
March 28	Men's 200 m butterfly final	1:52.09	Michael Phelps	United States
March 28	Women's 200 m freestyle final	1:55.52	Laure Manaudou	France
March 29	Men's 200 m individual medley final	1:54.98	Michael Phelps	United States
March 29	Women's 50 m backstroke final	=28.16	Leila Vaziri	United States
March 29	Women's 4 × 200 m freestyle relay final	7:50.09	Natalie Coughlin (1:56.43) Dana Vollmer (1:57.49) Lacey Nymeyer (1:59.19) Katie Hoff (1:56.98)	United States
March 30	Men's 200 m backstroke final	1:54.32	Ryan Lochte	United States
March 30	Men's 4 × 200 m freestyle relay final	7:03.24	Michael Phelps (1:45.36) Ryan Lochte (1:45.86) Klete Keller (1:46.31) Peter Vanderkaay (1:45.71)	United States
March 31	Women's 4 × 100 metre medley relay final	3:55.74	Emily Seebohm (1:00.79) Leisel Jones (1:04.94) Jessicah Schipper (57.18) Libby Lenton (52.83)	Australia
April 1	Men's 400 m individual medley final	4:06.22	Michael Phelps	United States
April 1	Women's 400 m individual medley final	4:32.89	Katie Hoff	United States

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Championship records

More information Date, Event ...

Date	Event	Established for	Time	Name	Nation
March 25	Women's 400 metre freestyle heats	(same)	4:05.29	Laure Manaudou	France
March 25	Women's 400 metre freestyle final	(same)	4:02.61	Laure Manaudou	France
March 25	Women's 4 × 100 metre freestyle relay final	Women's 100 metre freestyle	53.42	Libby Lenton	Australia
March 25	Women's 4 × 100 metre freestyle relay final	(same)	3:35.48	Libby Lenton (53.42) Melanie Schlanger (53.95) Shayne Reese (54.90) Jodie Henry (53.21)	Australia
March 25	Men's 4 × 100 metre freestyle relay final	(same)	3:12.72	Michael Phelps (48.42) Neil Walker (48.31) Cullen Jones (48.67) Jason Lezak (47.32)	United States
March 26	Women's 100 metre butterfly final	(same)	57.15	Libby Lenton	Australia
March 26	Men's 100 metre backstroke semifinals	(same)	53.51	Ryan Lochte	United States
March 26	Women's 200 metre individual medley final	(same)	2:10.13	Katie Hoff	United States
March 27	Women's 1500 metre freestyle final	(same)	15:53.05	Kate Ziegler	United States
March 27	Women's 100 metre breaststroke final	(same)	1:05.72	Leisel Jones	Australia
March 28	Women's 50 metre backstroke heats	(same)	28.25	Leila Vaziri	United States
March 29	Women's 100 metre freestyle semifinals	(same)	53.40	Natalie Coughlin	United States
March 30	Women's 100 metre freestyle final	(same)	=53.40	Libby Lenton	Australia
March 30	Women's 50 metre butterfly semifinal	(same)	25.82	Therese Alshammar	Sweden
March 31	Women's 200 metre backstroke final	(same)	2:07.16	Margaret Hoelzer	United States
March 31	Women's 800 metre freestyle final	(same)	8:18.52	Kate Ziegler	United States

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