400 Metres Summary | IAAF World Athletics Championships, DOHA 2019

First 2 in each heat (Q) and the next 2 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	2	226	Shaunae MILLER-UIBO	BAH	49.66 Q
2	1	1	376	Salwa Eid NASER	BRN	49.79 Q
3	2	2	1982	Wadeline JONATHAS	USA	50.07 Q PB
4	3	2	1183	Shericka JACKSON	JAM	50.10 q
5	2	1	1966	Phyllis FRANCIS	USA	50.22 Q SB
6	1	3	1185	Stephenie Ann MCPHERSON	JAM	50.70 Q SB
7	2	3	1557	Justyna ŚWIĘTY-ERSETIC	POL	50.96 Q
8	3	1	1546	Iga BAUMGART-WITAN	POL	51.02 q PB
9	4	1	1402	Paola MORÁN	MEX	51.08
10	4	2	233	Sada WILLIAMS	BAR	51.31 PB
11	5	2	1435	Lisanne DE WITTE	NED	51.41
12	6	2	572	Roxana GÓMEZ	CUB	51.56 SB
13	7	2	181	Bendere OBOYA	AUS	51.58	.578
14	3	3	1964	Kendall ELLIS	USA	51.58	.580
15	4	3	862	Emily DIAMOND	GBR	51.62 SB
16	5	1	1014	Aliyah ABRAMS	GUY	51.71
17	6	1	1464	Patience Okon GEORGE	NGR	51.89
18	5	3	1312	Mary MORAA	KEN	52.11
19	7	1	797	Déborah Sananes	FRA	52.24
20	8	2	602	Lada VONDROVÁ	CZE	52.25
21	6	3	1467	Favour OFILI	NGR	52.58
22	8	1	868	Laviai NIELSEN	GBR	52.94
23	7	3	2017	Shakima WIMBLEY	USA	1:13.55
		3	315	Galefele MOROKO	BOT	DNF