Swimming at the 2013 World Aquatics Championships – Women's 400 metre freestyle explained

Event:	Women's 400 metre freestyle
Competition:	2013 World Aquatics Championships
Venue:	Palau Sant Jordi
Date:	July 28, 2013 (heats & final)
Competitors:	37
Nations:	30
Win Value:	3:59.82 AM
Gold:	Katie Ledecky
Goldnoc:	USA
Silver:	Melanie Costa
Silvernoc:	ESP
Bronze:	Lauren Boyle
Bronzenoc:	NZL
Prev:	2011
Next:	2015

The women's 400 meter freestyle event in swimming at the 2013 World Aquatics Championships took place on 28 July at the Palau Sant Jordi in Barcelona, Spain.^[1] ^[2]

Records

Prior to this competition, the existing world and championship records were:

The heats were held at 11:22.^[3]

Rank	Heat	Lane	Time	Notes
1	3	5	4:03.05	Q
2	4	6	4:04.20	Q
3	2	5	4:04.85	Q
4	3	3	4:04.96	Q
5	2	3	4:05.01	Q
6	4	4	4:05.53	Q
7	2	6	4:05.61	Q, NR
8	3	2	4:06.02	Q, NR
9	4	3	4:06.76
10	4	2	4:07.16
11	3	7	4:08.42
12	3	6	4:09.16
13	3	4	4:09.65
14	2	4	4:10.70
15	3	1	4:12.44
16	4	1	4:12.47
17	4	7	4:13.18
18	4	0	4:13.37
19	2	7	4:13.89
20	2	2	4:14.66
21	3	8	4:14.68
22	2	9	4:14.76
23	2	1	4:16.13
24	4	8	4:18.94
25	4	9	4:19.66
26	2	8	4:19.77
27	1	5	4:20.46
28	2	0	4:20.82
29	3	0	4:21.40
30	3	9	4:23.67
31	1	3	4:28.78
32	1	4	4:29.61
33	1	6	4:35.85
34	1	2	4:42.82
35	1	1	4:54.89
36	1	7	4:55.49
37	1	8	4:59.78
	4	5

The final was held at 18:57.^[4]