Swimming at the 2011 Pan American Games – Men's 4 × 100 metre freestyle relay
The men's 4 × 100 metre freestyle relay competition of the swimming events at the 2011 Pan American Games took place on 16 October at the Scotiabank Aquatics Center. The defending Pan American Games champion is the Brazil.
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 | Michael Phelps Garrett Weber-Gale Cullen Jones Jason Lezak | 3:08.24 | Beijing, China | August 11, 2008 |
| Pan American Games record | Fernando Silva Eduardo Deboni Nicolas Oliveira César Cielo | 3:15.90 | Rio de Janeiro, Brazil | July 20, 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 16.As only eight teams had entered, the heats served as a ranking round with all eight teams advancing to the final.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | William Copeland Christopher Brady Eugene Godsoe Conor Dwyer | 3:17.57 | Q | |
| 2 | 4 | Gabriel Mangabeira Henrique Rodrigues Thiago Pereira Nicholas Santos | 3:23.64 | Q | |
| 3 | 3 | Luis Rojas Roberto Gomez Daniele Tirabassi Octavio Alesi | 3:27.20 | Q | |
| 4 | 7 | Gustavo Berretta Gerardo Bañuelos Alejandro Escudero Antonio Cisernos | 3:29.34 | Q | |
| 5 | 8 | Rodrigo Caceres Gabriel Melconian Joel Romeu Martin Kutscher | 3:32.08 | Q | |
| 6 | 2 | Lyam Dias Francis Despond Ashton Baumann Rory Biskupski | 3:32.11 | Q | |
| 7 | 1 | Sebastian Jahnsen Mauricio Fiol Jesus Monge Gerardo Huidobro | 3:39.17 | Q | |
| 8 | 6 | Charles Hockin Renato Prono Jose Lobo Benjamin Hockin | 3:44.98 | Q |
Final
The final was held on October 16.| Rank | Lane | Name | Nationality | Time | Notes |
| 5 | Bruno Fratus Nicholas Santos Cesar Cielo Nicolas Oliveira | 3:14.65 | GR | ||
| 4 | William Copeland Christopher Brady Robert Savulich Douglas Robison | 3:15.62 | |||
| 3 | Octavio Alesi Crox Acuña Cristian Quintero Albert Subirats | 3:19.92 | |||
| 4 | 8 | Charles Hockin Renato Prono Jose Lobo Benjamin Hockin | 3:26.19 | ||
| 5 | 6 | Gerardo Bañuelos Alejandro Escudero Antonio Cisneros Gustavo Berretta | 3:26.63 | ||
| 6 | 2 | Rodrigo Caceres Gabriel Melconian Joel Romeu Martin Kutscher | 3:28.27 | ||
| 7 | 7 | Lyam Dias Rory Biskupski Francis Despond Ashton Baumann | 3:29.42 | ||
| 8 | 1 | Jesus Monge Sebastian Jahnsen Mauricio Fiol Gerardo Huidobro | 3:47.55 |