400 Metres Summary | World Athletics Championships, Oregon 2022

First 2 of each heat (Q) plus 2 fastest times (q) qualify to Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	1	445	Shaunae MILLER-UIBO	BAH	49.55 Q SB
2	1	3	593	Marileidy PAULINO	DOM	49.98 Q
3	2	1	844	Candice MCLEOD	JAM	50.05 Q SB
4	2	3	449	Sada WILLIAMS	BAR	50.12 Q SB
5	1	2	590	Fiordaliza COFIL	DOM	50.14 Q PB
6	2	2	952	Lieke KLAVER	NED	50.18 Q NR
7	3	2	845	Stephenie Ann MCPHERSON	JAM	50.56 q
8	3	1	1012	Anna KIEŁBASIŃSKA	POL	50.65 q
9	4	1	782	Rhasidat ADELEKE	IRL	50.81
10	3	3	1154	Talitha DIGGS	USA	50.84
11	5	1	708	Victoria OHURUOGU	GBR	50.99 PB
12	6	1	1174	Lynna IRBY-JACKSON	USA	51.00
13	4	3	564	Roxana GÓMEZ	CUB	51.12
14	4	2	721	Nicole YEARGIN	GBR	51.22
15	5	2	1011	Natalia KACZMAREK	POL	51.34
16	5	3	863	Charokee YOUNG	JAM	51.41
17	6	3	580	Lada VONDROVÁ	CZE	51.47
18	6	2	774	Aliyah ABRAMS	GUY	51.79	.783
19	7	1	1026	Cátia AZEVEDO	POR	51.79	.785
20	7	2	1041	Gabby SCOTT	PUR	51.97
21	7	3	926	Modesta Justė MORAUSKAITĖ	LTU	52.19
22	8	3	711	Ama PIPI	GBR	52.28
23	8	2	438	Susanne GOGL-WALLI	AUT	52.37
24	8	1	485	Tabata VITORINO	BRA	52.42