Swimming at the 2015 World Aquatics Championships – Women's 400 metre freestyle explained

Event:	Women's 400 metre freestyle
Championship:	2015 World Aquatics Championships
Dates:	2 August (heats and final)
Competitors:	49
Nations:	43
Win Value:	3:59.13
Gold:	Katie Ledecky
Goldnoc:	USA
Silver:	Sharon van Rouwendaal
Silvernoc:	NED
Bronze:	Jessica Ashwood
Bronzenoc:	AUS
Prev:	2013
Next:	2017

The Women's 400 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 2 August with the heats and the final.^[1]

Records

Prior to the competition, the existing world and championship records were as follows.

The following new records were set during this competition.

The heats were held at 11:03.^[2]

Rank	Heat	Lane	Time	Notes
1	5	4	4:01.73	Q
2	5	6	4:04.47	Q
3	5	5	4:05.02	Q
4	4	5	4:05.53	Q
5	5	7	4:06.21	Q
6	4	4	4:07.15	Q
6	4	6	4:07.15	Q
8	5	1	4:07.58	Q
9	5	3	4:07.97
10	4	9	4:08.57
11	5	8	4:08.93
12	4	1	4:09.21
13	5	2	4:09.60
14	4	3	4:09.68
15	4	8	4:09.75
16	3	5	4:10.57	NR
17	4	2	4:10.92
18	3	4	4:11.71
19	5	9	4:12.09
20	4	0	4:13.43
21	4	7	4:13.98
22	5	0	4:14.45
23	3	7	4:14.51
24	2	1	4:14.60	NR
25	3	8	4:15.24
26	3	2	4:15.39
27	2	6	4:15.83
28	3	3	4:16.43
29	3	1	4:17.14
30	2	7	4:18.57
31	2	2	4:18.75
32	2	4	4:18.96
33	2	3	4:19.97
34	3	6	4:20.47
35	2	0	4:20.94
36	2	5	4:21.36
37	2	8	4:24.77
38	1	5	4:24.79
39	3	0	4:25.92
40	1	2	4:26.87
41	1	4	4:28.31
42	1	3	4:29.40
43	1	6	4:32.58
44	2	9	4:32.72
45	1	7	4:35.09
46	3	9	4:36.55
47	1	1	4:39.87
48	1	0	4:44.15
49	1	8	4:47.77

The final was held at 18:23.^[3]