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

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	3	934	Lashinda Demus	USA	53.82 Q
2	1	2	745	Natalya Antyukh	RUS	54.51 Q
3	1	1	191	Vania Stambolova	BUL	54.72 Q
4	2	3	294	Zuzana HEJNOVÁ	CZE	54.76 Q
5	2	2	528	Melaine Walker	JAM	54.97 Q
6	2	1	750	Elena Churakova	RUS	55.02 Q
7	3	1	525	Kaliese Spencer	JAM	55.02 q
8	3	2	893	Anastasiya Rabchenyuk	UKR	55.06 q
9	3	3	409	Perri Shakes-Drayton	GBR	55.07
10	4	1	909	Anna RYZHYKOVA	UKR	55.09
11	5	1	139	Elodie Ouédraogo	BEL	55.29 PB
12	4	2	947	Queen CLAYE	USA	55.44
13	4	3	527	Ristananna Tracey	JAM	55.55
14	5	3	905	Anna Titimets	UKR	55.82
15	6	1	382	Eilidh Doyle	GBR	55.89
16	7	1	926	Jasmine Chaney	USA	55.97
17	5	2	678	Muizat Ajoke Odumosu	NGR	56.41
18	6	3	305	Sara Slott PETERSEN	DEN	56.49
19	6	2	533	Nickiesha Wilson	JAM	56.58
20	7	3	109	Lauren BODEN	AUS	56.68
21	7	2	545	Satomi Kubokura	JPN	56.87
22	8	1	270	Nikolina Horvat	CRO	57.02
23	8	2	741	Wenda NEL	RSA	57.06
24	8	3	717	Vera BARBOSA	POR	57.70

400 Metres Hurdles women