Athletics at the 2011 Pan American Games – Men's 400 metres explained

Event:	Men's 400 metres
Games:	2011
Venue:	Telmex Athletics Stadium
Dates:	October 25–26
Competitors:	23
Nations:	18
Win Label:	Winning score
Gold:	Nery Brenes
Goldnoc:	CRC
Silver:	Luguelín Santos
Silvernoc:	DOM
Bronze:	Ramon Miller
Bronzenoc:	BAH
Prev:	2007
Next:	2015

The men's 400 metres sprint competition of the athletics events at the 2011 Pan American Games will take place between the 25 and 26 of October at the Telmex Athletics Stadium.^[1] The defending Pan American Games champion is Chris Brown of the Bahamas.

Records

Prior to this competition, the existing world and Pan American Games records were as follows:

World record		43.18	Seville, Spain	August 26, 1999
Pan American Games record		44.52	Havana, Cuba	1991

Qualification

Each National Olympic Committee (NOC) was able to enter up to two entrants providing they had met the minimum standard (46.25) in the qualifying period (January 1, 2010 to September 14, 2011).^[2]

Schedule

Date	Time	Round
October 25, 2011	16:45	Semifinals
October 26, 2011	18:00	Final

Results

All times shown are in seconds.

Semifinals

The semifinals were held on October 25. The first two in each heat (Q) and the next two fastest (q) qualified for the semifinals.

Rank	Heat	Time	Notes
1	2	45.40	Q
2	2	45.41	Q, PB
3	2	45.42	q
4	1	45.70	Q
5	1	45.71	Q, PB
6	3	45.92	Q
7	1	45.94	q
8	3	45.98	Q
9	3	46.09
9	3	46.09
11	1	46.24
12	1	46.39
13	3	46.50
14	3	46.92
15	2	46.93
16	2	46.97	SB
17	1	47.45
18	3	47.52
19	2	47.57
20	2	48.21
21	1	48.49
22	2	51.60
23	1

Final

The final was held on October 26.

Rank	Time	Notes
	44.65	PB
	44.71	PB
	45.01	SB
4	45.33
5	45.69
6	45.72
7	45.89
8	45.92

Notes and References

http://guadalajara2011.org.mx/documentos/boletaje/lista-de-sesiones.pdf Guadalajara 2011 sessions
http://www.guadalajara2011.org.mx/documentos/manuales/eng/technical/tm_athletics.pdf Athletics technical manual