Swimming at the 2018 Asian Games – Women's 400 metre individual medley

Women's 400 metre individual medley at the 2018 Asian Games
Venue	Gelora Bung Karno Aquatic Stadium
Date	21 August 2018
Competitors	12 from 7 nations
Medalists
Yui Ohashi    Japan   Kim Seo-yeong    South Korea   Sakiko Shimizu    Japan

Swimming at the 2018 Asian Games
Freestyle
50 m	men	women
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
Backstroke
50 m	men	women
100 m	men	women
200 m	men	women
Breaststroke
50 m	men	women
100 m	men	women
200 m	men	women
Butterfly
50 m	men	women
100 m	men	women
200 m	men	women
Individual medley
200 m	men	women
400 m	men
Freestyle relay
4 × 100 m	men	women
4 × 200 m	men	women
Medley relay
4 × 100 m	men	women
	mixed

The women's 400 metre individual medley event at the 2018 Asian Games took place on 21 August at the Gelora Bung Karno Aquatic Stadium.^[1][2][3]

All times are Western Indonesia Time (UTC+07:00)

Prior to this competition, the existing world, Asian and Games records were as follows.

World Record	Katinka Hosszú (HUN)	4:26.36	Rio de Janeiro, Brazil	6 August 2016
Asian Record	Ye Shiwen (CHN)	4:28.43	London, United Kingdom	28 July 2012
Games Record	Ye Shiwen (CHN)	4:32.97	Incheon, South Korea	23 September 2014

Legend

• DNS — Did not start

Rank	Heat	Athlete	Time	Notes
1	2	Yui Ohashi (JPN)	4:42.11
2	2	Zhou Min (CHN)	4:42.83
3	1	Sakiko Shimizu (JPN)	4:45.88
4	1	Nguyễn Thị Ánh Viên (VIE)	4:47.56
5	2	Kim Seo-yeong (KOR)	4:48.59
6	1	Yang Chang (CHN)	4:53.56
7	1	Azzahra Permatahani (INA)	4:53.58
8	2	Lam Hoi Kiu (HKG)	4:58.54
9	2	Mai Thị Linh (VIE)	5:03.65
10	1	Karen Liu (HKG)	5:04.00
11	1	Elizaveta Rogozhnikova (KGZ)	5:12.47
—	2	Ressa Kania Dewi (INA)	DNS

Rank	Athlete	Time	Notes
	Yui Ohashi (JPN)	4:34.58
	Kim Seo-yeong (KOR)	4:37.43
	Sakiko Shimizu (JPN)	4:39.10
4	Zhou Min (CHN)	4:42.75
5	Nguyễn Thị Ánh Viên (VIE)	4:42.81
6	Yang Chang (CHN)	4:47.24
7	Lam Hoi Kiu (HKG)	4:55.42
8	Azzahra Permatahani (INA)	4:58.89