Colonel William A. Phillips

The Women's 400 metre individual medley competition at the 2022 World Aquatics Championships was held on 25 June 2022.^[1]^[2]

Records

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

World record	Katinka Hosszú (HUN)	4:26.36	Rio de Janeiro, Brazil	6 August 2016
Competition record	Katinka Hosszú (HUN)	4:29.33	Budapest, Hungary	30 July 2017

The heats were started at 09:00.^[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	5	Summer McIntosh	Canada	4:36.15	Q
2	2	3	Katie Grimes	United States	4:36.68	Q
3	2	4	Emma Weyant	United States	4:38.52	Q
4	2	2	Ge Chutong	China	4:38.95	Q
5	3	5	Katinka Hosszú	Hungary	4:39.15	Q
6	3	4	Yui Ohashi	Japan	4:39.52	Q
7	2	6	Jenna Forrester	Australia	4:40.20	Q
8	3	6	Ageha Tanigawa	Japan	4:40.70	Q
9	3	3	Viktória Mihályvári-Farkas	Hungary	4:41.16
10	2	7	Mya Rasmussen	New Zealand	4:41.98
11	3	2	Tessa Cieplucha	Canada	4:44.53
12	3	7	Freya Colbert	Great Britain	4:45.55
13	3	8	Cyrielle Duhamel	France	4:52.24
14	2	1	Gabrielle Roncatto	Brazil	4:52.61
15	2	8	Florencia Perotti	Argentina	4:55.43
16	3	9	Kristen Romano	Puerto Rico	4:56.39
17	1	4	Kamonchanok Kwanmuang	Thailand	4:56.59
18	1	3	Simone Kabbara	Lebanon	5:07.33
19	1	5	Samantha van Vuure	Curaçao	5:34.75
–	2	0	Nikoleta Trniková	Slovakia	Did not start
	3	0	Chloe Cheng	Hong Kong
	3	1	Anastasia Gorbenko	Israel

The final was held at 19:01.^[4]

Rank	Lane	Name	Nationality	Time
	4	Summer McIntosh	Canada	4:32.04
	5	Katie Grimes	United States	4:32.67
	3	Emma Weyant	United States	4:36.00
4	2	Katinka Hosszú	Hungary	4:37.89
5	7	Yui Ohashi	Japan	4:37.99
6	6	Ge Chutong	China	4:38.37
7	1	Jenna Forrester	Australia	4:42.39
8	8	Ageha Tanigawa	Japan	4:44.28