400 Metres Hurdles Result | 13th IAAF World Championships in Athletics

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

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	191	Vania Stambolova	BUL	54.72 Q	0.232
2	750	Elena Churakova	RUS	55.02 Q	0.162
3	525	Kaliese Spencer	JAM	55.02 q	0.211
4	909	Anna Ryzhykova	UKR	55.09	0.252
5	139	Elodie Ouédraogo	BEL	55.29 PB	0.168
6	382	Eilidh Doyle	GBR	55.89	0.205
7	926	Jasmine Chaney	USA	55.97	0.198
8	270	Nikolina Horvat	CRO	57.02	0.208

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	745	Natalya Antyukh	RUS	54.51 Q	0.187
2	528	Melaine Walker	JAM	54.97 Q	0.350
3	893	Anastasiya Rabchenyuk	UKR	55.06 q	0.165
4	947	Queen Claye	USA	55.44	0.193
5	678	Muizat Ajoke Odumosu	NGR	56.41	0.178
6	533	Nickiesha Wilson	JAM	56.58	0.258
7	545	Satomi Kubokura	JPN	56.87	0.224
8	741	Wenda Nel	RSA	57.06	0.192

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	934	Lashinda Demus	USA	53.82 Q	0.160
2	294	Zuzana Hejnová	CZE	54.76 Q	0.169
3	409	Perri Shakes-Drayton	GBR	55.07	0.198
4	527	Ristananna Tracey	JAM	55.55	0.274
5	905	Anna Titimets	UKR	55.82	0.226
6	305	Sara Slott Petersen	DEN	56.49	0.167
7	109	Lauren Boden	AUS	56.68	0.190
8	717	Vera Barbosa	POR	57.70	0.225