# Swimming at the 2011 Pan American Games – Men's 4 × 100 metre medley relay

The men's 4 × 100 metre medley relay competition of the swimming events at the 2011 Pan American Games took place on 21 October at the Scotiabank Aquatics Center. The defending Pan American Games champion was the United States.
This race consisted of eight lengths of the pool. Each of the four swimmers completed two lengths of the pool. The first swimmer had to touch the wall before the second could leave the starting block.

## Records

Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | United States (USA) Aaron Peirsol (52.19) Eric Shanteau (58.57) Michael Phelps (49.72) David Walters (46.80) | 3:27.28 | Rome, Italy | August 2, 2009 |
| Pan American Games record | United States (USA) Randall Bal (53.83) Mark Gangloff (59.54) Ricky Berens (52.25) Andy Grant (48.75) | 3:34.37 | Rio de Janeiro, Brazil | July 22, 2007 |

## Results

All times shown are in minutes.
| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | PR | Pan American Games record |

### Heats

The first round was held on October 21.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | David Russell (55.02) Kevin Swander (1:00.04) Chris Brady (54.35) Robert Savulich (49.37) | United States | 3:38.78 | Q |
| 2 | 2 | 4 | Thiago Pereira (57.98) Felipe Lima (1:01.60) Kaio Almeida (55.46) Bruno Fratus (52.24) | Brazil | 3:47.28 | Q |
| 3 | 1 | 6 | Miguel Robles (58.79) David Oliver (1:03.52) Pablo Marmolejo (54.88) Alejandro Escudero (52.19) | Mexico | 3:49.38 | Q |
| 4 | 2 | 2 | Federico Grabich (57.86) Lucas Peralta (1:03.55) Marcos Barale (55.49) Lucas Del Piccolo (54.28) | Argentina | 3:51.18 | Q |
| 5 | 1 | 5 | Benjamin Hockin (57.28) Genaro Prono (1:04.20) Jose Lobo (56.94) Renato Prono (53.00) | Paraguay | 3:51.42 | Q |
| 6 | 2 | 5 | Luis Rojas (58.60) Carlos Claverie (1:05.29) Alexis Marquez (56.71) Crox Acuña (51.50) | Venezuela | 3:52.10 | Q |
| 7 | 1 | 3 | Ashton Baumann (1:00.81) Jacob Armstrong (1:04.58) Rory Biskupski (57.10) Lyam Dias (52.53) | Canada | 3:55.02 | Q |
| 8 | 2 | 6 | Alex Hernández (58.68) Christian Hernández (1:06.63) Lazaro Vergara (58.60) Pedro Medel (51.59) | Cuba | 3:55.50 | Q |
| 9 | 2 | 3 | Sebastian Jahnsen (1:00.88) Gerardo Huidobro (1:05.11) Mauricio Fiol (56.06) Jesus Monge (55.37) | Peru | 3:57.42 | |
| 10 | 1 | 2 | - - - - | Uruguay | DNS | |

### Final

The final was held on October 21.
| Rank | Lane | Name | Nationality | Time |
| | 5 | Guilherme Guido (55.08) Felipe França (59.65) Gabriel Mangabeira (52.57) César Cielo (47.28) | Brazil | 3:34.58 |
| | 4 | Eugene Godsoe (54.80) Marcus Titus (1:01.16) Chris Brady (52.84) Scot Robison (48.37) | United States | 3:37.17 |
| | 6 | Federico Grabich (55.73) Lucas Peralta (1:02.78) Marcos Barale (54.57) Lucas Del Piccolo (51.43) | Argentina | 3:44.51 |
| 4 | 3 | Miguel Robles (58.22) David Oliver (1:02.50) Israel Duran (54.22) Alejandro Escudero (50.34) | Mexico | 3:45.28 |
| 5 | 2 | Charles Hockin (58.03) Genaro Prono (1:02.75) Benjamin Hockin (52.80) Jose Lobo (52.20) | Paraguay | 3:45.78 |
| 6 | 8 | Pedro Medel (56.49) Christian Hernández (1:06.10) Alex Hernández (54.80) Hanser García (49.09) | Cuba | 3:46.48 |
| 7 | 7 | Luis Rojas (57.50) Carlos Claverie (1:04.95) Alexis Marquez (55.57) Cristian Quintero (49.86) | Venezuela | 3:47.88 |
| 8 | 1 | Ashton Baumann (59.91) Warren Barnes (1:02.61) Rory Biskupski (56.48) Lyam Dias (52.61) | Canada | 3:51.61 |