# Swimming at the 2019 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 2019 Pan American Games are scheduled to be held August 10th, 2019 at the Villa Deportiva Nacional Videna cluster.

## 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 | Brazil (BRA) Guilherme Guido (53.12) Felipe França Silva (59.81) Arthur Mendes (52.14) Marcelo Chierighini (47.61) | 3:32.68 | Toronto, Canada | July 18, 2015 |

## Results

| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |

### Heats

The first round was held on August 10.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Nicholas Alexander (54.42) Nic Fink (58.86) Matthew Josa (51.97) Michael Chadwick (48.66) | United States | 3:33.91 | Q |
| 2 | 1 | 4 | Leonardo de Deus (55.49) Felipe Lima (59.69) Luiz Altamir Melo (55.07) Breno Correia (49.86) | Brazil | 3:40.11 | Q |
| 3 | 2 | 5 | Andy Xianyang Song An (56.62) Mauro Castillo Luna (1:00.94) Mateo González Medina (54.79) Daniel Ramírez (49.09) | Mexico | 3:41.44 | Q |
| 4 | 2 | 6 | Charles Hockin (55.41) NR Renato Prono (1:02.64) Ben Hockin (53.52) Matheo Mateos (52.71) | Paraguay | 3:44.28 | Q |
| 5 | 2 | 3 | Agustín Hernández (57.28) Gabriel Morelli (1:01.88) Nicolás Deferrari (54.91) Guido Buscaglia (50.43) | Argentina | 3:44.50 | Q |
| 6 | 1 | 3 | Anthony Rincón (56.40) Carlos Mahecha (1:02.28) David Arias (53.94) Esnaider Reales (52.17) | Colombia | 3:44.79 | Q |
| 7 | 1 | 5 | Jesus Daniel Lopez (58.31) Marco Guarente (1:02.82) Bryan Chavez Avendaño (55.53) Cristian Quintero (49.82) | Venezuela | 3:46.48 | Q |
| 8 | 2 | 2 | Hernán Gonzalez ( 1:00.23) Édgar Crespo ( 1:03.65) Bernhard Christianson (56.26) Isaac Beitía (51.27) | Panama | 3:51.41 | Q |
| 9 | 1 | 2 | Carlos Cobos (59.13) Giordano Gonzales (1:06.48) Javier Tang Juy (56.14) Sebastian Arispe (51.24) | Peru | 3:52.99 | |
| | 1 | 6 | Davante Carey William Russell N'Nhyn Fernander Jared Fitzgerald | Bahamas | DNS | |

### Final

The final round was also on August 10.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Daniel Carr (53.95) Nic Fink (58.57) Tom Shields (50.40) Nathan Adrian (47.33) | United States | 3:30.25 | GR |
| | 5 | Guilherme Guido (53.70) João Gomes Júnior (58.86) Vinicius Lanza (51.13) Marcelo Chierighini (47.29) | Brazil | 3:30.98 | |
| | 2 | Agustín Hernández (56.54) Gabriel Morelli (1:01.26) Santiago Grassi (51.61) Federico Grabich (49.00) | Argentina | 3:38.41 | NR |
| 4 | 3 | Andy Xianyang Song An (56.65) Miguel de Lara (1:00.89) Mateo González Medina (53.52) Jorge Iga (49.01) | Mexico | 3:40.07 | NR |
| 5 | 7 | Anthony Rincón (56.54) Carlos Mahecha (1:01.26) Esnaider Reales (54.03) David Arias (51.66) | Colombia | 3:43.49 | |
| 6 | 6 | Charles Hockin (55.42) Renato Prono (1:02.62) Ben Hockin (53.29) Matheo Mateos (52.42) | Paraguay | 3:43.75 | |
| 7 | 1 | Jesus Daniel Lopez (58.21) Marco Guarente (1:01.70) Bryan Chavez Avendaño (54.69) Cristian Quintero (49.36) | Venezuela | 3:43.96 | |
| 8 | 8 | Hernán Gonzalez (59.50) Édgar Crespo (1:03.48) Bernhard Christianson (56.08) Isaac Beitía (51.46) | Panama | 3:50.52 | |