400 Metres Hurdles Result | IAAF World Athletics Championships, DOHA 2019

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

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1989	Dalilah Muhammad	USA	53.91 Q	0.167
2	421	Sage Watson	CAN	54.32 Q NR	0.183
3	1841	Anna Ryzhykova	UKR	54.45 q SB	0.171
4	571	Zurian Hechavarría	CUB	55.03	0.216
5	255	Hanne Claes	BEL	55.25 SB	0.159
6	131	Vera Rudakova	ANA	55.57	0.246
7	1433	Femke Bol	NED	56.37	0.219
8	856	Meghan Beesley	GBR	56.89	0.173

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1178	Rushell Clayton	JAM	54.17 Q	0.148
2	594	Zuzana Hejnová	CZE	54.41 Q	0.162
3	2006	Ashley Spencer	USA	54.42 q	0.171
4	1494	Amalie Iuel	NOR	55.03	0.151
5	1125	Ayomide Folorunso	ITA	55.36	0.198
6	1555	Joanna Linkiewicz	POL	55.38 SB	0.166
7	193	Sarah Carli	AUS	55.43 PB	0.167
8	954	Carolina Krafzik	GER	56.41	0.191

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1984	Sydney McLaughlin	USA	53.81 Q	0.170
2	1689	Lea Sprunger	SUI	54.52 Q SB	0.191
3	1188	Shiann Salmon	JAM	55.16 PB	0.186
4	1141	Yadisleidis Pedroso	ITA	55.40 SB	0.208
5	373	Aminat Jamal	BRN	55.54	0.210
6	1514	Gianna Woodruff	PAN	55.61 SB	0.223
7	866	Jessica Turner	GBR	55.87	0.189
8	178	Lauren Boden	AUS	55.94	0.173