2018 FINA World Swimming Championships (25 m) – Women's 400 metre individual medley

Women's 400 metre individual medley
at the 2018 FINA World Swimming Championships (25 m)
Women's 400 metre individual medley ; at the 2018 FINA World Swimming Championships (25 m)
Venue	Hangzhou Sports Park Stadium
Dates	11 December (heats and final)
Competitors	30 from 23 nations
Winning time	4:21.40
Medalists
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The women's 400 metre individual medley competition of the 2018 FINA World Swimming Championships (25 m) was held on 11 December 2018.^[1]

Records

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

	Name	Nation	Time	Location	Date
World record	Mireia Belmonte	Spain	4:18.94	Netanya	12 August 2017
Championship record	Mireia Belmonte	Spain	4:19.86	Doha	3 December 2014

The heats were started at 11:05.^[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	3	4	Katinka Hosszú	Hungary	4:23.59	Q
2	2	3	Fantine Lesaffre	France	4:27.74	Q
3	2	6	Lara Grangeon	France	4:27.91	Q
4	2	5	Ilaria Cusinato	Italy	4:28.02	Q
5	3	1	Melanie Margalis	United States	4:29.14	Q
6	2	4	Catalina Corro	Spain	4:31.02	Q
7	3	6	Sakiko Shimizu	Japan	4:31.12	Q
8	3	5	Miho Takahashi	Japan	4:31.13	Q
9	3	2	Abbey Harkin	Australia	4:33.23
10	2	2	Leah Smith	United States	4:34.93
11	3	3	Zhou Min	China	4:35.34
12	1	3	Florencia Perotti	Argentina	4:36.68
13	2	0	Nguyễn Thị Ánh Viên	Vietnam	4:37.28
14	3	7	Barbora Závadová	Czech Republic	4:37.33
15	3	8	Jimena Pérez	Spain	4:37.42
16	2	7	Irina Krivonogova	Russia	4:37.54
17	2	1	Victoria Kaminskaya	Portugal	4:38.49
18	3	0	Rebecca Meder	South Africa	4:39.31
19	1	6	Claudia Hufnagl	Austria	4:39.76
20	2	9	Diana Durães	Portugal	4:39.81
21	3	9	Katja Fain	Slovenia	4:40.00
22	1	5	Viktoriya Zeynep Güneş	Turkey	4:40.67
23	2	8	Anastasiia Sorokina	Russia	4:41.43
24	1	2	Ruby Matthews	New Zealand	4:43.91
25	1	7	Lam Hoi Kiu	Hong Kong	4:47.47
26	1	4	Tereza Horáková	Czech Republic	4:48.83
27	1	8	Hamida Rania Nefsi	Algeria	4:53.29
28	1	1	Wang Wan-chen	Chinese Taipei	4:54.25
29	1	0	Sára Niepelová	Slovakia	4:54.87
30	1	9	Daniela Alfaro	Costa Rica	5:01.36	NR

The final was held at 19:48.^[3]

Rank	Lane	Name	Nationality	Time	Notes
	4	Katinka Hosszú	Hungary	4:21.40
	2	Melanie Margalis	United States	4:25.84
	5	Fantine Lesaffre	France	4:27.31	=NR
4	6	Ilaria Cusinato	Italy	4:27.88
5	3	Lara Grangeon	France	4:29.56
6	1	Sakiko Shimizu	Japan	4:31.07
7	7	Catalina Corro	Spain	4:31.63
8	8	Miho Takahashi	Japan	4:35.62