400 Metres Summary | 12th IAAF World Championships in Athletics

First 3 in each heat (Q) and the next 3 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	5	161	Ramon Miller	BAH	45.00 Q PB
2	1	7	629	Tabarie Henry	ISV	45.14 Q
3	2	5	448	Leslie Djhone	FRA	45.20 Q
4	1	2	1113	Renny Quow	TTO	45.21 Q
5	1	4	1206	LaShawn Merritt	USA	45.23 Q
6	2	7	128	Sean Wroe	AUS	45.31 Q
7	2	4	127	John Steffensen	AUS	45.37 Q
8	3	7	505	Martyn ROONEY	GBR	45.45 Q
9	1	1	504	Robert Tobin	GBR	45.50 Q
10	2	2	295	Williams Collazo	CUB	45.52 Q
11	1	3	160	Chris Brown	BAH	45.53 Q
12	1	6	1242	Jeremy Wariner	USA	45.54 Q
13	2	1	619	David Gillick	IRL	45.54 Q
14	2	3	490	Michael Bingham	GBR	45.54 Q
15	3	1	1055	Rabah YOUSIF	SUD	45.55 Q PB
16	4	7	321	Erison Hurtault	DMA	45.55 q SB
17	3	3	130	Joel Milburn	AUS	45.56 Q SB
18	5	7	787	Mohamed Khouaja	LBA	45.56 q NR
19	2	6	658	Ricardo Chambers	JAM	45.57 Q
20	3	2	176	Kevin BORLÉE	BEL	45.61 Q
21	4	1	1197	Lionel Larry	USA	45.64 q
22	4	2	909	Marcin Marciniszyn	POL	45.77 SB
23	3	5	1085	Johan Wissman	SWE	45.83 Q
24	3	4	638	Matteo GALVAN	ITA	45.86 Q PB
25	4	5	991	Maksim Dyldin	RUS	45.91
26	5	1	1260	Young Talkmore Nyongani	ZIM	45.92
27	6	1	174	Cedric van Branteghem	BEL	45.94
28	4	4	946	Héctor Carrasquillo	PUR	46.11
29	5	2	322	Arismendy Peguero	DOM	46.13
30	3	6	460	Teddy Atine - Venel	FRA	46.16 Q
31	4	3	840	Eric Milazar	MRI	46.39
32	5	5	1222	Gil Roberts	USA	46.41
33	6	7	864	Saul Welgopwa	NGR	46.42
34	5	3	209	Isaac MAKWALA	BOT	46.45
35	6	3	1052	Nagmeldin Ali Abubakr	SUD	46.48
36	5	4	327	Alvin Harrison	DOM	46.67
37	7	1	687	Hideyuki Hirose	JPN	46.80
38	4	6	696	Yuzo Kanemaru	JPN	46.83
39	7	7	589	Rondell Bartholomew	GRN	46.85
40	7	3	1163	Andrés Silva	URU	46.86
41	6	2	188	Mathieu Gnanligo	BEN	47.00 SB
42	5	6	763	Yousef Ahmed Masrahi	KSA	47.03
43	6	5	738	Mark Kiprotich Muttai	KEN	47.04
44	7	2	897	Nelson Stone	PNG	47.13
45	6	6	974	Pieter Smith	RSA	48.14
46	7	5	1050	Naiel d'Almeida	STP	49.47
47	8	7	871	Moumouni Kimba	NIG	50.93 PB
48	8	3	842	Thet Zaw Win	MYA	51.41 PB
		2	157	Michael Mathieu	BAH	DQ
		4	279	Gary Kikaya	COD	DQ
		5	862	James Godday	NGR	DNS
		4	453	Yannick Fonsat	FRA	DNS
		6	287	Nery Brenes	CRC	DNS

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400 Metres men

12th IAAF World Championships in Athletics

First 3 in each heat (Q) and the next 3 fastest (q)