400 Metres Summary | World Athletics Championships, Budapest 2023

First 3 of each heat (Q) plus 6 fastest times (q) qualify to Semi-Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	6	711	Marileidy PAULINO	DOM	49.90 Q
2	1	1	1207	Natalia KACZMAREK	POL	50.02 Q
3	2	1	552	Cynthia BOLINGO	BEL	50.29 Q SB
4	3	1	1019	Candice MCLEOD	JAM	50.37 Q
5	1	4	1023	Nickisha PRYCE	JAM	50.38 Q
6	1	2	1142	Lieke KLAVER	NED	50.52 Q
7	2	6	858	Victoria OHURUOGU	GBR	50.60 Q
8	1	3	549	Sada WILLIAMS	BAR	50.78 Q
9	1	5	959	Rhasidat ADELEKE	IRL	50.80 Q
10	2	2	861	Ama PIPI	GBR	50.81 Q	.803
11	3	2	1411	Lynna IRBY-JACKSON	USA	50.81 Q	.805
12	2	4	676	Roxana GÓMEZ	CUB	50.86 Q
13	3	6	1390	Talitha DIGGS	USA	50.87 Q
14	4	6	698	Lada VONDROVÁ	CZE	50.92 q PB
15	4	2	538	Susanne GOGL-WALLI	AUT	51.00 q
16	5	6	1112	Modesta Justė MORAUSKAITĖ	LTU	51.06 q SB
17	3	4	1251	Gabby SCOTT	PUR	51.07 Q SB
18	4	1	965	Sharlene MAWDSLEY	IRL	51.17 q PB
19	2	5	1255	Andrea MIKLÓS	ROU	51.24 Q	.232
20	6	6	1040	Charokee YOUNG	JAM	51.24 q	.238
21	5	2	661	Evelis AGUILAR	COL	51.27 q PB
22	3	5	694	Tereza PETRŽILKOVÁ	CZE	51.30 Q
23	4	5	1180	Henriette JÆGER	NOR	51.33
24	4	4	638	Martina WEIL	CHI	51.35
25	5	1	1102	Gunta VAIČULE	LAT	51.36 SB
26	5	5	921	Aliyah ABRAMS	GUY	51.44
27	6	5	557	Helena PONETTE	BEL	51.52 PB
28	6	1	992	Alice MANGIONE	ITA	51.57
29	2	3	1128	Paola MORÁN	MEX	51.59 Q
30	5	4	613	Grace KONRAD	CAN	51.60 PB
31	3	3	1266	Zenéy GELDENHUYS	RSA	51.76 Q
32	4	3	1235	Cátia AZEVEDO	POR	51.93
33	5	3	806	Amandine BROSSIER	FRA	51.98 SB
34	6	3	1171	Imaobong Nse UKO	NGR	52.24
35	6	2	608	Kyra CONSTANTINE	CAN	52.28
36	7	1	1260	Miranda Charlene COETZEE	RSA	52.30
37	7	3	545	Shaunae MILLER-UIBO	BAH	52.65 SB
38	6	4	1309	Giulia SENN	SUI	52.66	.651
39	8	1	1360	Kateryna KARPIUK	UKR	52.66	.658
40	7	4	943	Fanni RAPAI	HUN	52.73 PB
41	7	5	779	Mette BAAS	FIN	52.74
42	7	2	716	Nicole CAICEDO	ECU	52.82
43	8	3	1189	Rosie ELLIOTT	NZL	52.88
44	7	6	586	Tiffani MARINHO	BRA	53.12
45	8	6	1270	Marlie VILJOEN	RSA	53.73
46	8	4	1447	Britton WILSON	USA	53.87
47	8	5	597	Tabata VITORINO	BRA	54.15
48	8	2	1133	Janet RICHARD	MLT	54.50