Swimming at the 2009 World Aquatics Championships – Men's 400 metre freestyle explained

The heats for the men's 400 metre freestyle race at the 2009 World Championships took place on Sunday, 26 July at the Foro Italico in Rome, Italy.

Records

World record		3:40.08	Manchester, United Kingdom	align=right	30 July 2002
Championship record		3:40.17	Fukuoka, Japan	align=right	22 July 2001

The following records were established during the competition:

Rank	Name	Nationality	Time	Heat	Lane	Notes
1			3:43.01	9	2	ER
2			3:43.58	9	4
3			3:43.78	8	4
4			3:44.59	8	3	NR
5		United States	3:45.40	10	5
6			3:45.43	9	3
7			3:45.52	8	5
8			3:45.68	8	6	NR
9		United States	3:45.95	9	7
10			3:45.97	9	5
11			3:46.01	10	2
12			3:46.04	10	4
13			3:46.64	10	8
14			3:46.75	9	0
15			3:46.95	10	3
16			3:47.05	10	6
17			3:47.40	8	7
18			3:47.51	10	0
19			3:47.61	9	8
20			3:47.83	10	7
21			3:47.98	10	1
22			3:48.93	8	1
23			3:49.17	10	9
24			3:49.43	7	4
25			3:50.16	8	2
26			3:51.31	8	8
27			3:51.86	6	5
28			3:52.22	8	0
29			3:52.57	9	1
30			3:52.64	6	4
31			3:53.07	7	5	NR
32			3:54.24	6	2	NR
33			3:54.66	7	3
34			3:54.87	8	9
35	Fabio Pereira		3:55.00	7	7
36			3:55.55	7	6
37			3:55.76	9	9
38			3:55.88	7	1	NR
39			3:56.35	7	2
40			3:57.01	7	0
41			3:57.34	6	3
42			3:58.66	7	8
43			3:58.91	6	7
44			3:59.04	6	1
45			3:59.11	6	6
46			3:59.15	9	6
47			3:59.47	5	5
48			3:59.60	6	8
49			3:59.78	5	4
50			4:01.47	5	6
51			4:02.13	5	3
52			4:02.86	6	0
53			4:03.69	4	1	NR
54			4:03.72	5	2
55			4:04.61	5	8
56			4:04.92	4	4
56			4:04.92	7	9
58			4:05.18	6	9
59			4:05.50	4	2
60			4:06.18	1	6
61			4:06.48	4	5
62			4:07.43	5	0
63			4:07.58	5	7
64			4:08.84	4	7
65			4:08.99	3	2
66			4:11.32	5	9
67			4:12.19	4	3
68			4:12.31	3	7	NR
69			4:12.94	3	5
70			4:13.87	3	6
71			4:14.31	4	8
72			4:16.10	3	3
73			4:16.14	4	6
74			4:16.29	4	0
75			4:16.95	3	1
76			4:17.26	3	4
77			4:18.18	3	9
78			4:18.21	2	4
79			4:19.28	5	1
80			4:20.09	2	5
80			4:20.09	3	8
82			4:20.11	4	9
83			4:25.78	2	7
84			4:26.48	2	3
85			4:26.61	2	1
86			4:27.13	2	2
87			4:27.41	3	0
88			4:30.55	2	8
89			4:32.36	2	6
90			4:43.14	2	9
91			4:47.58	2	0
92			4:49.85	1	5
93			4:52.56	1	4
94			5:28.11	1	3

Legend: ER: European record; NR: National record

Legend: WR: World record; AF: African record; AS: Asian record; NR: National record

Web site: 13th FINA World Championships: Men's 400m Freestyle: Heats: Results Summary . Omega Timing . 2009-07-26 . dead . https://web.archive.org/web/20090806182722/http://www.omegatiming.com/swimming/racearchives/2009/Roma2009/C74A_ResSummary_2_Heats_Men_400_Free.pdf . 2009-08-06 .
Web site: 13th FINA World Championships: Men's 400m Freestyle: Final: Results . Omega Timing . 2009-07-26 . dead . https://web.archive.org/web/20090806180532/http://omegatiming.com/swimming/racearchives/2009/Roma2009/C73A1_Res1Heat_102_Finals_1_Men_400_Free.pdf . 2009-08-06 .