2012 IAAF World Indoor Championships – Men's 400 metres explained

The men's 400 metres at the 2012 IAAF World Indoor Championships took place March 9 and 10 at the Ataköy Athletics Arena. The final was won by Costa Rican Nery Brenes in a time of 45.11.^[1]

Doping disqualification

Rabah Yousif of Sudan, who ran the heat and the semifinal, retrospectively got his results disqualified for doping.

Medalists

width=200 bgcolor=gold	Gold	width=200 bgcolor=silver	Silver	width=200 bgcolor=CC9966	Bronze
Nery Brenes	Demetrius Pinder	Chris Brown

Records

Standing records prior to the 2012 IAAF World Indoor Championships
World record		44.57	Fayetteville, United States	12 March 2005
Championship record		45.26	Toronto, Canada	14 March 1993
World Leading		45.19	Fayetteville, United States	11 February 2010
African record		45.51	Paris, France	9 March 1997
Asian record		45.76	Paris, France	9 March 1997
European record		45.05	Sindelfingen, West Germany	5 February 1988
North and Central American and Caribbean record		44.57	Fayetteville, United States	12 March 2005
Oceanian Record		45.93	Birmingham, Great Britain	2 March 2003
South American record		46.26	Boston, United States	29 January 2005

Schedule

Date	Time	Round
March 9, 2012	12:20	Heats
March 9, 2012	20:10	Semifinals
March 10, 2012	19:30	Final

Results

Heats

Qualification: First 2 (Q) and the 6 fastest times qualified (q). 32 athletes from 27 countries participated.^[2]

Rank	Heat	Name	Nationality	Time	Notes
1	1			46.49	Q
2	2			46.64	Q
3	1			46.71	Q, SB
4	2			46.77	Q, SB
5	5			47.00	Q
6	5			47.05	Q
7	1			47.06	q
8	2			47.07	q, PB
9	6			47.28	Q
	2			47.30	q^[3]
10	6			47.46	Q
11	6			47.55	q
12	3			47.56	Q
13	4			47.57	Q
14	5			47.63	q
15	4			47.70	Q
16	2			47.78	q
17	4			47.82
18	6			48.27	PB
19	3			48.58	Q
20	1			48.85
21	5			48.86
22	4			48.96	SB
23	3			49.58
24	4			50.23
25	5			51.02	NR
26	1			51.20	NR
27	6			51.65	NR
28	3			51.93	SB
29	6			53.67	PB
30	5			55.15	PB
	3

Semifinals

Qualification: First 2 of each heat qualified (Q). 18 athletes from 14 countries participated.^[4]

Rank	Heat	Name	Nationality	Time	Notes
1	1			45.94	Q
2	1			46.01	Q
2	3			46.01	NR, Q
4	3			46.04	Q
5	2			46.37	Q
6	3			46.46
7	2			46.49	Q
8	2			46.68
9	3			46.83	PB
10	1			46.98
11	1			47.01
12	2			47.09
13	3			47.34
14	2			48.16
15	1			48.47
16	3			48.68
17	1			49.76
	2

Final

6 athletes from 5 countries participated. The final started at 19:31.^[5]

Rank	Name	Nationality	Time	Notes
			45.11	CR, NR
			45.34	SB
			45.90	SB
4			45.96	SB
5			46.19
6			46.21

Notes and References

1. Web site: Costa Rica's Nery Brenes Is A World Champion. 10 March 2012. Insidecostarica. 14 March 2012.
2. Web site: 2012 World Indoor Championships – Men's 400 metres (heats). Omega Timing. 2012-03-09. https://web.archive.org/web/20120827225845/http://iaaf.org/documents/pdf/4665/AT-400-M-h----.RS6.pdf. 2012-08-27. dead.
3. Rabah Yousif tested positive for cannabis which is illegal in competition and was disqualified for two months.
4. Web site: 2012 World Indoor Championships – Men's 400 metres (semifinals). Omega Timing. 2012-03-09. https://web.archive.org/web/20120827230036/http://iaaf.org/documents/pdf/4665/AT-400-M-sf----.RS6.pdf. 2012-08-27. dead.
5. Web site: 2012 World Indoor Championships – Men's 400 metres (final) . Omega Timing . 2012-03-10 . dead . https://web.archive.org/web/20120827230059/http://iaaf.org/documents/pdf/4665/AT-400-M-f--1--.RS1.pdf . 2012-08-27 .