Swimming at the 2015 World Aquatics Championships – Men's 400 metre individual medley explained

Event:	Men's 400 metre individual medley
Championship:	2015 World Aquatics Championships
Dates:	9 August (heats and final)
Competitors:	41
Nations:	34
Win Value:	4:08.50
Gold:	Daiya Seto
Goldnoc:	JPN
Silver:	Dávid Verrasztó
Silvernoc:	HUN
Bronze:	Chase Kalisz
Bronzenoc:	USA
Prev:	2013
Next:	2017

The 400 metre individual medley competition of the swimming events at the 2015 World Aquatics Championships was held on 9 August with the heats and the final.^[1]

Records

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

The heats were held at 09:30.^[2]

Rank	Heat	Lane	Time	Notes
1	4	4	4:11.83	Q
2	4	3	4:11.99	Q
3	5	5	4:12.17	Q
4	5	4	4:12.22	Q
5	5	3	4:13.07	Q
6	5	7	4:13.62	Q
7	4	7	4:13.91	Q
8	5	2	4:15.47	Q
9	4	2	4:15.70
10	4	5	4:15.93
11	3	4	4:16.35
12	3	5	4:16.37
13	5	1	4:16.69
14	4	8	4:17.34
15	5	8	4:17.42
16	3	2	4:17.90	NR
17	4	0	4:18.61
18	3	3	4:18.67
19	5	6	4:19.11
20	3	1	4:19.20
21	4	6	4:20.16
22	3	6	4:20.43
23	3	7	4:20.74
24	4	1	4:21.26
25	1	4	4:21.67
26	5	0	4:22.35
27	2	7	4:22.72
28	5	9	4:23.00
29	1	5	4:23.02
30	3	8	4:23.57
31	2	5	4:23.85
32	2	1	4:25.10
33	2	0	4:25.57
34	3	0	4:26.17
35	2	8	4:27.43
36	1	6	4:29.57
36	2	4	4:29.57
38	2	6	4:29.61
39	2	2	4:30.78
40	1	7	4:33.15	NR
41	1	2	4:40.23
	1	3		DNS
	2	3		DNS
	2	9		DNS
	3	9		DNS
	4	9		DNS

The final was held at 17:47.^[3]