Men's 200m Backstroke at the 2003 FINA World Aquatics Championships
Dates	24 July (prelims, semifinals) 25 July (final)
Winning time	1 minute 55.92 seconds
Medalists
Aaron Peirsol    United States   Gordan Kožulj    Croatia   Simon Dufour    France
← 2001 2005 →

The Men's 200 Backstroke event at the 10th FINA World Aquatics Championships swam July 24–25, 2003 in Barcelona, Spain. Preliminary^[1] and Semifinal^[2] heats were on 24 July with the heats being held in the morning session and the semifinals being held in the evening session. The Final^[3] swam on 25 July.

At the start of the event, the existing World (WR) and Championship (CR) records were:

• WR: 1:55.15 swum by Aaron Peirsol (USA) on March 22, 2002 in Minneapolis, USA
• CR: 1:57.13 swum by Aaron Peirsol (USA) on July 27, 2001 in Fukuoka, Japan

Place	Swimmer	Nation	Time	Notes
1	Aaron Peirsol	USA	1:55.92
2	Gordan Kožulj	Croatia	1:57.47
3	Simon Dufour	France	1:57.90
4	Bryce Hunt	USA	1:57.92
5	Matt Welsh	Australia	1:57.94
6	Arkady Vyatchanin	Russia	1:58.07
7	Răzvan Florea	Romania	1:58.66
8	Blaž Medvešek	Slovenia	1:58.96

Rank	Heat + Lane	Swimmer	Nation	Time	Notes
1	S2 L4	Aaron Peirsol	USA	1:55.82	q, CR
2	S2 L5	Arkady Vyatchanin	Russia	1:57.88	q
3	S1 L5	Gordan Kožulj	Croatia	1:57.94	q
4	S1 L6	Bryce Hunt	USA	1:58.04	q
5	S1 L4	Matt Welsh	Australia	1:58.34	q
6	S1 L2	Răzvan Florea	Romania	1:58.52	q
7	S2 L6	Simon Dufour	France	1:58.81	q
8	S1 L3	Gregor Tait	Great Britain	1:59.02	swim off
8	S1 L7	Blaž Medvešek	Slovenia	1:59.02	swim off, q
10	S2 L2	Yoav Gath	Israel	1:59.22
11	S2 L7	Markus Rogan	Austria	1:59.29
12	S2 L1	Steffen Driesen	Germany	1:59.40
13	S2 L3	László Cseh	Hungary	1:59.45
14	S2 L8	Keith Beavers	Canada	1:59.86
15	S1 L1	Jorge Sánchez	Spain	2:00.19
16	S1 L8	Helge Meeuw	Germany	2:00.21

Swim-off for 8th

1. Blaz Medvesk (Slovenia) -- 1:58.61—q
2. Gregor Tait (Great Britain) -- 1:58.80

Rank	Heat+Lane	Swimmer	Nation	Time	Notes
1	H8 L4	Aaron Peirsol	United States	1:57.28	q
2	H6 L5	Matt Welsh	Australia	1:58.26	q
3	H8 L1	Arkady Vyatchanin	Russia	1:59.18	q
4	H7 L4	Gordan Kožulj	Croatia	1:59.20	q
5	H8 L6	László Cseh	Hungary	1:59.49	q
6	H8 L2	Gregor Tait	Great Britain	1:59.62	q
7	H8 L3	Simon Dufour	France	1:59.68	q
8	H7 L2	Bryce Hunt	United States	1:59.71	q
9	H7 L8	Yoav Gath	Israel	1:59.82	q
10	H8 L5	Răzvan Florea	Romania	1:59.96	q
11	H7 L5	Markus Rogan	Austria	2:00.04	q
12	H6 L7	Blaž Medvešek	Slovenia	2:00.06	q
12	H8 L7	Steffen Driesen	Germany	2:00.06	q
14	H7 L6	Jorge Sánchez	Spain	2:00.27	q
15	H7 L3	Keith Beavers	Canada	2:00.56	q
16	H6 L8	Helge Meeuw	Germany	2:00.73	q
17	H5 L1	Anton Bugayov	Ukraine	2:00.76
18	H6 L2	Ray Hass	Australia	2:00.77
19	H4 L3	Tomomi Morita	Japan	2:01.10
20	H5 L2	Volodymyr Nikolaychuk	Ukraine	2:01.35
21	H6 L6	Evgueni Alechine	Russia	2:01.42
22	H5 L7	Alex Lim	Malaysia	2:01.43
23	H6 L3	Ouyang Kunpeng	China	2:01.44
24	H7 L1	Klaas Erik Zwering	Netherlands	2:01.56
25	H6 L4	James Goddard	Great Britain	2:01.91
26	H5 L4	Rogério Romero	Brazil	2:02.06
27	H6 L1	Cameron Gibson	New Zealand	2:02.36
28	H5 L5	Ahmed Hussein	Egypt	2:02.45
29	H4 L4	Pavel Suškov	Lithuania	2:02.65
30	H8 L8	Rui Yu	China	2:02.80
31	H7 L7	Viktor Bodrogi	Hungary	2:03.22
32	H5 L6	Min Sung	South Korea	2:04.10
33	H5 L8	Paulo Machado	Brazil	2:04.21
34	H3 L6	Květoslav Svoboda	Czech Republic	2:04.96
35	H5 L3	Sander Ganzevles	Netherlands	2:05.05
36	H4 L2	Martin Viilep	Estonia	2:05.82
37	H4 L5	Andrei Mihailov	Moldova	2:08.30
38	H3 L2	Jared Heine	Marshall Islands	2:08.88
39	H3 L4	Juan Carlo Antonio Piccio	Philippines	2:10.18
40	H4 L8	Ashby Brendan	Zimbabwe	2:10.40
41	H3 L3	Yau Sun Fai	Hong Kong	2:10.55
42	H2 L5	Kunakorn Yimsomruay	Thailand	2:11.18
43	H3 L1	Long Do Huy	Vietnam	2:13.43
44	H4 L6	Yury Zaharov	Kyrgyzstan	2:13.81
45	H4 L1	Guillermo Andres Ramirez Lemis	Colombia	2:14.18
46	H4 L7	Mauricio Prudencio	Bolivia	2:14.30
47	H3 L5	Mikhail Alekseyev	Uzbekistan	2:14.55
48	H2 L4	Oleg Deikrishvili	Georgia	2:16.10
49	H2 L6	Mohammad Nazeri	Iran	2:18.09
50	H3 L8	Rony Bakale	Republic of the Congo	2:19.03
51	H2 L8	Seung Gin Lee	Northern Mariana Islands	2:19.89
52	H2 L3	Omar Abu Faris	Jordan	2:20.02
53	H2 L1	Chi Lon Lei	Macau	2:21.29
54	H1 L4	Ammar Musaed Al Tamimi	United Arab Emirates	2:22.56
55	H2 L2	Nuno Rola	Angola	2:25.33
56	H1 L5	Kabir Walia	Kenya	2:25.49
57	H1 L6	Patrick Boustany	Lebanon	2:27.31
58	H1 L3	Clark Randrianandraina	Madagascar	2:33.65
59	H1 L2	Muzeya Muzyamba	Zambia	2:34.69
-	-	Ryan Pini	Papua New Guinea	DNS