400 Metres Summary | 12th 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	2	1206	LaShawn Merritt	USA	44.37 Q WL
2	2	2	1113	Renny Quow	TTO	44.53 Q PB
3	1	1	1242	Jeremy Wariner	USA	44.69 Q
4	2	1	490	Michael Bingham	GBR	44.74 Q PB
5	3	1	448	Leslie Djhone	FRA	44.80 q SB
6	4	1	619	David Gillick	IRL	44.88 q
7	3	2	295	Williams Collazo	CUB	44.93 PB
8	1	3	160	Chris Brown	BAH	44.95 Q
9	2	3	629	Tabarie Henry	ISV	44.97 Q
10	5	1	161	Ramon Miller	BAH	44.99 PB
11	3	3	658	Ricardo Chambers	JAM	45.13 SB
12	4	3	176	Kevin BORLÉE	BEL	45.28 SB
13	4	2	128	Sean Wroe	AUS	45.32
14	5	3	127	John Steffensen	AUS	45.50
15	5	2	321	Erison Hurtault	DMA	45.59
16	6	2	1055	Rabah YOUSIF	SUD	45.63
17	6	3	1197	Lionel Larry	USA	45.85
18	7	3	504	Robert Tobin	GBR	45.90
19	7	2	505	Martyn ROONEY	GBR	45.98
20	6	1	130	Joel Milburn	AUS	46.06
21	8	2	460	Teddy Atine - Venel	FRA	46.30
22	7	1	787	Mohamed Khouaja	LBA	46.43
23	8	3	638	Matteo GALVAN	ITA	46.87
		1	1085	Johan Wissman	SWE	DNS

400 Metres men