400 Metres Hurdles 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	3	1984	Sydney MCLAUGHLIN-LEVRONE	USA	53.81 Q
2	1	1	1989	Dalilah MUHAMMAD	USA	53.91 Q
3	1	2	1178	Rushell CLAYTON	JAM	54.17 Q
4	2	1	421	Sage WATSON	CAN	54.32 Q NR
5	2	2	594	Zuzana HEJNOVÁ	CZE	54.41 Q
6	3	2	2006	Ashley SPENCER	USA	54.42 q
7	3	1	1841	Anna RYZHYKOVA	UKR	54.45 q SB
8	2	3	1689	Lea SPRUNGER	SUI	54.52 Q SB
9	4	1	571	Zurian HECHAVARRÍA	CUB	55.03	.023
10	4	2	1494	Amalie IUEL	NOR	55.03	.027
11	3	3	1188	Shiann SALMON	JAM	55.16 PB
12	5	1	255	Hanne CLAES	BEL	55.25 SB
13	5	2	1125	Ayomide FOLORUNSO	ITA	55.36
14	6	2	1555	Joanna LINKIEWICZ	POL	55.38 SB
15	4	3	1141	Yadisleidis PEDROSO	ITA	55.40 SB
16	7	2	193	Sarah CARLI	AUS	55.43 PB
17	5	3	373	Aminat JAMAL	BRN	55.54
18	6	1	131	Vera Rudakova	ANA	55.57
19	6	3	1514	Gianna WOODRUFF	PAN	55.61 SB
20	7	3	866	Jessica TURNER	GBR	55.87
21	8	3	178	Lauren BODEN	AUS	55.94
22	7	1	1433	Femke BOL	NED	56.37
23	8	2	954	Carolina KRAFZIK	GER	56.41
24	8	1	856	Meghan BEESLEY	GBR	56.89