The Swimming competition of the 10th FINA World Aquatics Championships consisted of 40 long course (50m) events, swum July 20–27, 2003 in Barcelona, Spain.^[1][2] Swimming's 40 events were split evenly between males and females (20 each) and were:

• freestyle (free): 50, 100, 200, 400, 800 and 1500;
• backstroke (back): 50, 100 and 200;
• breaststroke (breast): 50, 100 and 200;
• butterfly (fly): 50, 100 and 200;
• Individual Medley (IM): 200 and 400; and
• relay: 4×100 and 4×200 freestyle, and 4×100 medley.

Participating nations

Event schedule

Results

Men

Event	Gold		Silver		Bronze
50m free   details	Alexander Popov    Russia	21.92 CR	Mark Foster    Great Britain	22.20	Pieter van den Hoogenband    Netherlands	22.29
100m free   details	Alexander Popov    Russia	48.42	Pieter van den Hoogenband    Netherlands	48.68	Ian Thorpe    Australia	48.77
200m free   details	Ian Thorpe    Australia	1:45.14	Pieter van den Hoogenband    Netherlands	1:46.43	Grant Hackett    Australia	1:46.85
400m free   details	Ian Thorpe    Australia	3:42.58	Grant Hackett    Australia	3:45.17	Dragoş Coman    Romania	3:46.87 NR
800m free   details	Grant Hackett    Australia	7:43.82	Larsen Jensen    USA	7:48.09 AM	Igor Chervynskyi    Ukraine	7:53.15 NR
1500m free   details	Grant Hackett    Australia	14:43.14	Igor Chervynskyi    Ukraine	15:01.04 NR	Erik Vendt    USA	15:01.28
50m back   details	Thomas Rupprath    Germany	24.80 WR	Matt Welsh    Australia	25.01	Gerhard Zandberg    South Africa	25.07
100m back   details	Aaron Peirsol    USA	53.61 CR	Arkady Vyatchanin    Russia Matt Welsh    Australia	53.92	not awarded
200m back   details	Aaron Peirsol    USA	1:55.92	Gordan Kožulj    Croatia	1:57.47 NR	Simon Dufour    France	1:57.90
50m breast   details	James Gibson    Great Britain	27.56	Oleg Lisogor    Ukraine	27.74	Mihály Flaskay    Hungary	27.79
100m breast   details	Kosuke Kitajima    Japan	59.78 WR	Brendan Hansen    USA	1:00.21	James Gibson    Great Britain	1:00.37
200m breast   details	Kosuke Kitajima    Japan	2:09.42 WR	Ian Edmond    Great Britain	2:10.92	Brendan Hansen    USA	2:11.11
50m fly   details	Matt Welsh    Australia	23.43 WR	Ian Crocker    USA	23.62	Yevgeny Korotyshkin    Russia	23.73
100m fly   details	Ian Crocker    USA	50.98 WR	Michael Phelps    USA	51.10	Andrei Serdinov    Ukraine	51.59 ER
200m fly   details	Michael Phelps    USA	1:54.35	Takashi Yamamoto    Japan	1:55.52	Tom Malchow    USA	1:55.66
200m IM   details	Michael Phelps    USA	1:56.04 WR	Ian Thorpe    Australia	1:59.66 OC	Massimiliano Rosolino    Italy	1:59.71
400m IM   details	Michael Phelps    USA	4:09.09 WR	László Cseh    Hungary	4:10.79 ER	Oussama Mellouli    Tunisia	4:15.36 AF
4 × 100 m   free relay details	Russia   Andrei Kapralov   Ivan Usov   Denis Pimankov   Alexander Popov	3:14.06 CR, ER	USA   Scott Tucker   Neil Walker   Ryan Wochomurka   Jason Lezak	3:14.80	France   Romain Barnier   Julien Sicot   Fabien Gilot   Frédérick Bousquet	3:15.66 NR
4 × 200 m   free relay details	Australia   Grant Hackett   Craig Stevens   Nicholas Sprenger   Ian Thorpe	7:08.58	USA   Michael Phelps   Nate Dusing   Aaron Peirsol   Klete Keller	7:10.26 AM	Germany   Johannes Oesterling   Lars Conrad   Stefan Herbst   Christian Keller	7:14.02
4 × 100 m   medley relay details	USA   Aaron Peirsol   Brendan Hansen   Ian Crocker   Jason Lezak	3:31.54 WR	Russia   Arkady Vyatchanin   Roman Ivanovski   Igor Marchenko   Alexander Popov	3:34.72 ER	Japan   Tomomi Morita   Kosuke Kitajima   Takashi Yamamoto   Daisuke Hosokawa	3:36.12 AS

Legend: WR – World Record; CR – Championship Record

Women

Event	Gold		Silver		Bronze
50m free   details	Inge de Bruijn    Netherlands	24.47	Alice Mills    Australia	25.07	Libby Lenton    Australia	25.08
100m free   details	Hanna-Maria Seppälä    Finland	54.37	Jodie Henry    Australia	54.58	Jenny Thompson    USA	54.65
200m free   details	Alena Popchanka    Belarus	1:58.32	Martina Moravcová    Slovakia	1:58.44	Yang Yu    China	1:58.54
400m free   details	Hannah Stockbauer    Germany	4:06.75	Éva Risztov    Hungary	4:07.24	Diana Munz    USA	4:07.67
800m free   details	Hannah Stockbauer    Germany	8:23.66 CR	Diana Munz    USA	8:24.19	Rebecca Cooke    Great Britain	8:28.45
1500m free   details	Hannah Stockbauer    Germany	16:00.18 CR, NR	Hayley Peirsol    USA	16:09.64	Jana Henke    Germany	16:10.13
50m back   details	Nina Zhivanevskaya    Spain	28.48 CR	Ilona Hlaváčková    Czech Republic	28.50	Noriko Inada    Japan	28.62
100m back   details	Antje Buschschulte    Germany	1:00.50	Louise Ørnstedt    Denmark Katy Sexton    Great Britain	1:00.86	not awarded
200m back   details	Katy Sexton    Great Britain	2:08.74	Margaret Hoelzer    USA	2:09.24	Stanislava Komarova    Russia	2:10.17
50m breast   details	Luo Xuejuan    China	30.67	Brooke Hanson    Australia	31.13	Zoë Baker    Great Britain	31.37
100m breast   details	Luo Xuejuan    China	1:06.80	Amanda Beard    USA	1:07.42	Leisel Jones    Australia	1:07.47
200m breast   details	Amanda Beard    USA	2:22.99 WR	Leisel Jones    Australia	2:24.33	Qi Hui    China	2:25.78
50m fly   details	Inge de Bruijn    Netherlands	25.84 CR	Jenny Thompson    USA	26.00	Anna-Karin Kammerling    Sweden	26.06
100m fly   details	Jenny Thompson    USA	57.96 CR	Otylia Jędrzejczak    Poland	58.22	Martina Moravcová    Slovakia	58.24
200m fly   details	Otylia Jędrzejczak    Poland	2:07.56	Éva Risztov    Hungary	2:07.68	Yuko Nakanishi    Japan	2:08.08
200m IM   details	Yana Klochkova    Ukraine	2:10.75	Alice Mills    Australia	2:12.75 OC	Zhou Yafei    China	2:12.92
400m IM   details	Yana Klochkova    Ukraine	4:36.74	Éva Risztov    Hungary	4:37.39	Beatrice Câșlaru    Romania	4:41.86
4 × 100 m   free relay details	USA   Natalie Coughlin   Lindsay Benko   Rhi Jeffrey   Jenny Thompson	3:38.09	Germany   Petra Dallmann   Katrin Meissner   Antje Buschschulte   Sandra Völker	3:38.73	Australia   Libby Lenton   Elka Graham   Jodie Henry   Alice Mills	3:38.83 OC
4 × 200 m   free relay details	USA   Lindsay Benko   Rachel Komisarz   Rhi Jeffrey   Diana Munz	7:55.70 CR, AM	Australia   Elka Graham   Linda Mackenzie   Kirsten Thomson   Alice Mills	7:58.42 OC	China   Zhou Yafei   Xu Yanwei   Pang Jiaying   Yang Yu	7:58.53
4 × 100 m   medley relay details	China   Zhan Shu   Luo Xuejuan   Zhou Yafei   Yang Yu	3:59.89 CR, AS	USA   Natalie Coughlin   Amanda Beard   Jenny Thompson   Lindsay Benko	4:00.83	Australia   Giaan Rooney   Leisel Jones   Jessicah Schipper   Jodie Henry	4:01.37

Legend: WR – World Record; CR – Championship Record

Medal standings

  *   Host nation (Spain)

Rank	Nation	Gold	Silver	Bronze	Total
1	United States (USA)	11	12	5	28
2	Australia (AUS)	6	10	6	22
3	Germany (GER)	5	1	2	8
4	Russia (RUS)	3	2	2	7
5	China (CHN)	3	0	4	7
6	Great Britain (GBR)	2	3	3	8
7	Ukraine (UKR)	2	2	2	6
8	Netherlands (NED)	2	2	1	5
9	Japan (JPN)	2	1	3	6
10	Poland (POL)	1	1	0	2
11	Belarus (BLR)	1	0	0	1
	Finland (FIN)	1	0	0	1
	Spain (ESP)*	1	0	0	1
14	Hungary (HUN)	0	4	1	5
15	Slovakia (SVK)	0	1	1	2
16	Croatia (CRO)	0	1	0	1
	Czech Republic (CZE)	0	1	0	1
	Denmark (DEN)	0	1	0	1
19	France (FRA)	0	0	2	2
	Romania (ROU)	0	0	2	2
21	Italy (ITA)	0	0	1	1
	South Africa (RSA)	0	0	1	1
	Sweden (SWE)	0	0	1	1
	Tunisia (TUN)	0	0	1	1
Totals (24 entries)		40	42	38	120