The men's 400 metre individual medley competition of the swimming

Swimming (sport)

Swimming is a sport governed by the Fédération Internationale de Natation .-History: Competitive swimming in Europe began around 1800 BCE, mostly in the form of the freestyle. In 1873 Steve Bowyer introduced the trudgen to Western swimming competitions, after copying the front crawl used by Native...

 events at the 2011 Pan American Games

2011 Pan American Games

The 2011 Pan American Games, officially the XVI Pan American Games, was an international multi-sport event that was held from October 14–30, 2011 in Guadalajara, Jalisco, Mexico. Some events were held in the nearby cities of Ciudad Guzmán, Puerto Vallarta, Lagos de Moreno and Tapalpa...

 will take place on the 15 of October at the Scotiabank Aquatics Center

Scotiabank Aquatics Center

The Scotiabank Aquatics Center is an aquatics center built for the 2011 Pan American Games in the municipality of Zapopan, near Guadalajara, Mexico. It was opened June 22, 2011, built at a cost of $USD31.7...

. The defending Pan American Games

Pan American Games

The Pan-American or Pan American Games are a major event in the Americas featuring summer and formerly winter sports, in which thousands of athletes participate in a variety of competitions. The Pan American Games are the second largest multi-sport event after the Summer Olympics...

 champion is Thiago Pereira

Thiago Pereira

Thiago Machado Vilela Pereira is an international competition swimmer from Brazil. He became known in his native country after winning the silver medal in the 200 m individual medley at the Pan American Games in Santo Domingo, Dominican Republic in 2003.Pereira's biggest success came one year...

 of Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

.

This race consisted of eight lengths of the pool. The first two lengths were swum using the butterfly stroke

Butterfly stroke

The butterfly is a swimming stroke swum on the breast, with both arms moving simultaneously. The butterfly kick was developed separately, and is also known as the "dolphin kick"...

, the second pair with the backstroke

Backstroke

The backstroke, also sometimes called the back crawl, is one of the four swimming styles regulated by FINA, and the only regulated style swum on the back. This has the advantage of easy breathing, but the disadvantage of swimmers not being able to see where they are going. It is also the only...

, the third pair of lengths in breaststroke

Breaststroke

The breaststroke is a swimming style in which the swimmer is on his or her chest and the torso does not rotate. It is the most popular recreational style due to its stability and the ability to keep the head out of the water a large portion of the time. In most swimming classes, beginners learn...

, and the final two were freestyle

Freestyle swimming

Freestyle is an unregulated swimming style used in swimming competitions according to the rules of FINA. The front crawl stroke is almost universally used during a freestyle race, as this style is generally the fastest...

.

Records

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

World record		4:03.84	Beijing Beijing Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's... , China China Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...	August 10, 2008
Pan American Games record		4:11.14	Rio de Janeiro Rio de Janeiro Rio de Janeiro , commonly referred to simply as Rio, is the capital city of the State of Rio de Janeiro, the second largest city of Brazil, and the third largest metropolitan area and agglomeration in South America, boasting approximately 6.3 million people within the city proper, making it the 6th... , Brazil Brazil Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...	July 17, 2007

Qualification

Each National Olympic Committee

National Olympic Committee

National Olympic Committees are the national constituents of the worldwide Olympic movement. Subject to the controls of the International Olympic Committee, they are responsible for organizing their people's participation in the Olympic Games...

 (NOC) was able to enter up to two entrants providing they had met the A standard (4:34.2) in the qualifying period (January 1, 2010 to September 4, 2011). NOCs were also permitted to enter one athlete providing they had met the B standard (4:41.5) in the same qualifying period.

Results

All times shown are in minutes.

KEY:

q

Fastest non-qualifiers

Q

Qualified

NR

National record

PB

Personal best

SB

Seasonal best

Heats

The first round was held on October 15.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	5	Conor Dwyer Conor Dwyer Conor Dwyer is an American swimmer.-Swimming career:Dwyer swam between 2007 and 2009 for the University of Iowa without really any notable achievements. For the 2009/2010 season, he moved to the University of Florida where he trains with Ryan Lochte...		4:24.98	QA
2	2	4	Thiago Pereira Thiago Pereira Thiago Machado Vilela Pereira is an international competition swimmer from Brazil. He became known in his native country after winning the silver medal in the 200 m individual medley at the Pan American Games in Santo Domingo, Dominican Republic in 2003.Pereira's biggest success came one year...		4:26.27	QA
3	1	4	Robert Margalis Robert Margalis Robert Margalis is an American medley swimmer who won the gold medal in the men's 400m individual medley event at the 2003 Pan American Games. At the next edition, four years later in Rio de Janeiro, he captured three silver medals.-References:* *...		4:29.70	QA
4	2	3	Esteban Enderica		4:31.15	QA
5	2	6	Ezequiel Trujillo		4:31.31	QA
6	1	6	Esteban Paz		4:34.08	QA
7	1	5	Diogo Yabe		4:34.18	QA
8	1	3	Liam Dias		4:37.60	QA
9	1	2	Eddy Marin		4:38.88	QB
10	2	2	Diego Castillo		4:45.31	QB
11	2	7	Joel Romeu		4:53.76	QB

Final A

The final was held on October 15.

Rank	Lane	Name	Nationality	Time	Notes
	5	Thiago Pereira Thiago Pereira Thiago Machado Vilela Pereira is an international competition swimmer from Brazil. He became known in his native country after winning the silver medal in the 200 m individual medley at the Pan American Games in Santo Domingo, Dominican Republic in 2003.Pereira's biggest success came one year...		4:16.68
	4	Conor Dwyer Conor Dwyer Conor Dwyer is an American swimmer.-Swimming career:Dwyer swam between 2007 and 2009 for the University of Iowa without really any notable achievements. For the 2009/2010 season, he moved to the University of Florida where he trains with Ryan Lochte...		4:18.22
	3	Robert Margalis Robert Margalis Robert Margalis is an American medley swimmer who won the gold medal in the men's 400m individual medley event at the 2003 Pan American Games. At the next edition, four years later in Rio de Janeiro, he captured three silver medals.-References:* *...		4:24.88
4	6	Esteban Enderica		4:26.43
5	2	Ezequiel Trujillo		4:30.02
6	8	Liam Dias		4:34.11
7	1	Diogo Yabe		4:35.66
8	7	Esteban Paz		4:37.67