2023 World Para Swimming Championships – Women's 400 metre freestyle

Five swimmers entered this event. A straight final was held on the evening of 1 August.[1]

Entering the event, the applicable records were the following

Record	Swimmer	Time
World record	Jacqueline Freney (AUS)	4:59.02
Championship record	Mallory Weggemann (USA)	5:04.87

Final

Rank	Name	Nation	Result	Notes
	Morgan Stickney	United States	4:54.28	WR CR
	Ahalya Lettenberger	United States	5:22.27
	Sabrina Duchesne	Canada	5:31.17
4	Agnes Kramer	Sweden	6:03.69
5	Nicola St Clair Maitland	Sweden	6:17.26

11 swimmers entered the event. Heats and final were both held in Monday 31 July.[2]

Entering the event, the applicable records were the following

Record	Swimmer	Time
World record	Lakeisha Patterson (AUS)	4:40.33
Championship record	Jessica Long (USA)	4:43.76

Heats

Rank	Heat	Lane	Name	Nation	Result	Notes
1	2	4	Nahia Zudaire	Spain	5:10.90	Q
2	1	5	Ella Jones	Australia	5:12.55	Q
3	2	6	Vendula Duskova	Czech Republic	5:16.48	Q
4	2	5	Jeronimo De Araujo	Brazil	5:16.59	Q
5	1	4	Xenia Palazzo	Italy	5:19.68	Q
6	2	3	Ruvalcaba Nunez	Mexico	5:24.81	Q
7	1	3	Abi Tripp	Canada	5:29.80	Q
8	1	6	Paula Novina	Croatia	5:31.12	Q
9	1	2	Hui Zhu	China	5:33.49
10	2	2	Ana Castro	Portugal	5:47.08
11	2	7	Alexandra Borska	Czech Republic	5:53.14

Final[3]

Rank	Lane	Name	Nation	Result	Notes
	2	Xenia Palazzo	Italy	5:01.46
	4	Nahia Zudaire	Spain	5:05.91
	6	Jeronimo De Araujo	Brazil	5:08.94
4	5	Ella Jones	Australia	5:12.76
5	3	Vendula Duskova	Czech Republic	5:16.54
6	7	Ruvalcaba Nunez	Mexico	5:18.88
8	8	Paula Novina	Croatia	5:25.98
7	1	Abi Tripp	Canada	5.29.99

14 swimmers entered the event. Heats and final were both held in 2 August.[4]

Entering the event, the applicable records were the following

Record	Swimmer	Time
World record	Aurelie Rivard (CAN)	4:24.08
Championship record	Oliwia Jablonska (POL)	4:29.65

Heats

Rank	Heat	Lane	Athlete	Nation	Result	Notes
1	2	5	Aurelie Rivard	Canada	4:39.77	Q
2	2	4	Bianka Pap	Hungary	4:41.32	Q
3	1	4	Oliwia Jablonska	Poland	4:44.58	Q
4	1	5	Faye Rogers	Great Britain	4:46.77	Q
5	2	3	Anaelle Roulet	France	4:48.11	Q
6	2	6	Elodie Lorandi	France	4:48.57	Q
7	1	3	Poppy Wilson	Australia	4:54.94	Q
8	2	2	Hannah Nelson	United States	4:56.06	Q
9	1	2	Gabriella Smith	New Zealand	4:58.24	R1
10	1	6	Maria Paula Barrera Zapata	Colombia	4:58.27
11	2	7	Csenge Hotz	Hungary	5:00.42
12	1	1	Audrey Kim	United States	5:03.10
13	1	7	Katie Cosgriffe	Canada	5:10.01
14	2	1	Lili-Fox Mason	New Zealand	5:19.61

Final

Aurélie Rivard withdrew from the final and was replaced by Gabriella Smith

Rank	Athlete	Nation	Result	Notes
	Bianka Pap	Hungary	4:33.43
	Oliwia Jablonska	Poland	4:38.57
	Faye Rogers	Great Britain	4:41.06
4	Anaelle Roulet	France	4:45.03
5	Elodie Lorandi	France	4:50.61
6	Poppy Wilson	Australia	4:53.42
7	Hannah Nelson	United States	4:54.67
8	Gabriella Smith	New Zealand	5:01.00