400 Metres Summary | 11th 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	1	352	Chris Brown	BAH	44.50 Q SB
2	1	4	1120	LaShawn Merritt	USA	44.78 Q
3	2	1	334	John Steffensen	AUS	44.82 Q SB
4	3	1	491	Arismendy Peguero	DOM	44.92 Q PB
5	2	4	1037	Johan Wissman	SWE	44.94 Q NR
6	1	3	658	Alleyne Francique	GRN	44.95 Q SB
7	1	6	455	Nery Brenes	CRC	45.01 Q NR
8	1	2	1151	Jeremy Wariner	USA	45.10 Q
9	2	6	1141	Angelo Taylor	USA	45.13 Q
10	1	7	425	Tyler Christopher	CAN	45.15 Q
11	2	3	561	Leslie Djhone	FRA	45.17 Q
12	1	5	451	Gary Kikaya	COD	45.21 Q
13	2	7	1049	Ato Stephens	TTO	45.22 Q SB
14	2	2	351	Avard Moncur	BAH	45.27 Q
15	2	5	706	Sanjay Ayre	JAM	45.28 Q
16	3	6	459	Williams Collazo	CUB	45.29 Q PB
17	3	4	349	Andrae Williams	BAH	45.31 Q
18	3	3	713	Ricardo Chambers	JAM	45.34 Q
19	3	2	684	David Gillick	IRL	45.35 Q
20	4	6	380	California Molefe	BOT	45.36 q SB
21	3	7	329	Sean Wroe	AUS	45.39 Q
22	4	4	1168	Young Talkmore Nyongani	ZIM	45.40 q SB
23	3	5	584	Timothy Benjamin	GBR	45.44 Q
24	5	6	708	Michael Blackwood	JAM	45.44 q
25	4	1	626	Bastian Swillims	GER	45.44 PB
26	4	5	486	Chris Lloyd	DMA	45.46
27	4	2	595	Martyn ROONEY	GBR	45.47 SB
28	5	2	1166	Lewis Banda	ZIM	45.47 SB
29	4	7	891	Daniel Dabrowski	POL	45.50
30	4	3	596	Andrew Steele	GBR	45.54
31	5	5	954	Vladislav Frolov	RUS	45.69
32	5	1	1050	Renny Quow	TTO	45.70
33	5	7	690	Andrea Barberi	ITA	45.74 SB
34	6	1	897	Marcin Marciniszyn	POL	45.83
35	5	3	905	Rafal Wieruszewski	POL	45.94 SB
36	6	3	489	Carlos Santa	DOM	45.99 SB
37	6	2	571	Brice Panel	FRA	46.02
38	7	3	345	Clemens Zeller	AUT	46.06
39	7	1	651	Dimítrios Régas	GRE	46.22 SB
40	6	6	735	Yuki Yamaguchi	JPN	46.28
41	5	4	842	Eric Milazar	MRI	46.55
42	6	5	932	Ioan Lucian Vieru	ROU	46.78
43	6	4	1080	Andrés Silva	URU	46.79
44	7	2	915	Félix Martínez	PUR	46.86
45	8	1	500	Takeshi Fujiwara	ESA	46.92 NR
46	6	7	649	Dimítrios Grávalos	GRE	46.94
47	7	5	366	Mathieu Gnanligo	BEN	47.51
48	7	6	646	Jonathon Lavers	GIB	47.97 NR
49	8	6	999	Ivano Bucci	SMR	48.07 PB
50	8	5	313	Nicolau Palanca	ANG	48.60
51	7	4	834	Dalibor Spasovski	MKD	48.63 PB
52	7	7	1161	Moses Kamut	VAN	48.90
53	8	4	686	Karar A.M. Al Abbody	IRQ	48.95 PB
54	8	2	1001	Abdulla Mohamed Hussein	SOM	50.54 PB
55	9	2	846	Hermán López	NCA	50.72
		6	1005	Nagmeldin Ali Abubakr	SUD	DNF
		3	737	Yuzo Kanemaru	JPN	DNF
		7	1114	Lionel Larry	USA	DNF
		5	787	Hamdan Odha Al-Bishi	KSA	DNS
		4	381	Gakologewang L. Masheto	BOT	DNS

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400 Metres men

11th IAAF World Championships in Athletics

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