400 Metres Summary | 10th IAAF World Championships in Athletics

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	1	341	Timothy Benjamin	GBR	44.85 Q
2	2	1	503	Brandon Simpson	JAM	44.98 Q
3	1	4	1023	Andrew Rock	USA	44.98 Q
4	2	4	49	Chris Brown	BAH	45.20 Q
5	1	2	1039	Jeremy Wariner	USA	45.24 Q
6	3	1	680	James Godday	NGR	45.30 q PB
7	4	1	87	California Molefe	BOT	45.34 q NR
8	2	2	356	Robert Tobin	GBR	45.41 Q
9	3	2	1055	Young Talkmore Nyongani	ZIM	45.55 q
10	1	5	492	Michael Blackwood	JAM	45.58 Q
11	1	3	34	John Steffensen	AUS	45.62 Q
12	2	5	206	Carlos Santa	DOM	45.63 Q
13	2	3	133	Tyler Christopher	CAN	45.66 Q
14	3	4	455	Andrea Barberi	ITA	45.70 q PB
15	4	4	928	Sofiane Labidi	TUN	45.71 q
16	3	5	420	Alleyne Francique	GRN	45.77 q
17	5	4	530	Mitsuhiro Sato	JPN	45.78 q SB
18	5	1	869	Pierre Lavanchy	SUI	45.79 q
19	3	3	203	Arismendy Peguero	DOM	45.80 q SB
20	1	6	161	Gary Kikaya	COD	45.88 Q
21	4	2	584	Hamdan Odha Al-Bishi	KSA	45.88 q
22	4	3	659	Eric Milazar	MRI	45.91
23	1	7	1042	Darold Williamson	USA	45.97 Q
24	4	5	728	Marcin Marciniszyn	POL	45.97
25	2	7	861	Nagmeldin Ali Abubakr	SUD	46.02 Q
26	6	1	170	Željko Vincek	CRO	46.03
27	3	7	344	Malachi Davis	GBR	46.14
28	5	5	915	Damion Barry	TTO	46.20
29	2	6	504	Lansford Spence	JAM	46.21 Q
30	4	7	920	Ato Stephens	TTO	46.28
31	6	4	101	Anderson Jorge dos Santos	BRA	46.32
32	5	2	63	Cedric van Branteghem	BEL	46.42
33	5	3	45	Andrae Williams	BAH	46.49
34	5	7	312	Leslie Djhone	FRA	46.57
35	6	2	641	Alejandro Manuel Cárdenas	MEX	46.73 SB
36	3	6	788	Ofentse Mogawane	RSA	46.80
37	4	6	53	Wilan Louis	BAR	46.93
38	6	5	167	Nery Brenes	CRC	47.11
39	5	6	857	Prasanna Sampath Amarasekara	SRI	47.11
40	6	7	202	Chris Lloyd	DMA	47.13
41	6	3	387	Simon Kirch	GER	47.45
42	7	2	759	Isaac Yaya	PYF	47.75
43	7	4	913	Cheng-Kang Chung	TPE	47.85 PB
44	7	5	41	Ibrahim Ahmadov	AZE	48.51
45	7	7	1050	Moses Kamut	VAN	48.63
46	7	1	514	Abdesalem Khalifeh Bajes Al-Hajjaj	JOR	48.89
47	6	6	856	Chris Meke Walasi	SOL	49.47
48	7	3	1052	Saeed Al-Adhreai	YEM	49.74
49	8	1	655	Florent Battistel	MON	50.54
50	8	4	855	Glauco Martini	SMR	51.48
		3	52	Tawhid Tawhidul Islam	BAN	DQ
		6	688	Saul Welgopwa	NGR	DQ
		6	661	Boubou Gandéga	MTN	DQ

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400 Metres men

10th IAAF World Championships in Athletics

First 2 in each heat (Q) and the next 10 fastest (q)