# Swimming at the 2019 Pan American Games – Men's 100 metre breaststroke

The men's 100 metre breaststroke competition of the swimming events at the 2019 Pan American Games were held August 6th, 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 | Adam Peaty (GBR) | 56.88 | Gwangju, South Korea | July 21, 2019 |
| Pan American Games record | Felipe França Silva (BRA) | 59.21 | Toronto, Canada | July 17, 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 6.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | João Gomes Júnior | Brazil | 59.57 | QA |
| 2 | 4 | 4 | Felipe Lima | Brazil | 59.91 | QA |
| 3 | 4 | 5 | Cody Miller | United States | 1:00.28 | QA |
| 4 | 2 | 4 | Kevin Cordes | United States | 1:00.58 | QA |
| 5 | 3 | 5 | Jorge Murillo | Colombia | 1:01.03 | QA |
| 6 | 2 | 5 | Miguel de Lara | Mexico | 1:01.04 | QA |
| 7 | 4 | 3 | Mauro Castillo Luna | Mexico | 1:01.77 | QA |
| 8 | 4 | 7 | Martin Melconian | Uruguay | 1:01.89 | QA,NR |
| 9 | 4 | 2 | Gabriel Morelli | Argentina | 1:02.07 | QB |
| 10 | 3 | 2 | James Dergousoff | Canada | 1:02.17 | QB |
| 11 | 2 | 3 | Carlos Mahecha | Colombia | 1:02.32 | QB |
| 12 | 4 | 6 | Marco Guarente | Venezuela | 1:02.38 | QB |
| 13 | 3 | 3 | Carlos Claverie | Venezuela | 1:02.67 | QB |
| 14 | 2 | 2 | Josué Domínguez | Dominican Republic | 1:02.74 | QB |
| 15 | 3 | 7 | Julio Horrego | Honduras | 1:02.94 | QB, NR |
| 16 | 3 | 6 | Édgar Crespo | Panama | 1:02.95 | QB |
| 17 | 2 | 7 | Adriel Sanes | Virgin Islands | 1:03.03 | |
| 18 | 2 | 6 | Renato Prono | Paraguay | 1:03.08 | |
| 19 | 3 | 1 | Johan Carrillo | Cuba | 1:04.10 | |
| 20 | 4 | 1 | Santiago Cavanagh | Bolivia | 1:04.71 | |
| 21 | 3 | 8 | Luis Weekes | Barbados | 1:05.65 | |
| 22 | 4 | 8 | Giordano Gonzales | Peru | 1:06.19 | |
| 23 | 1 | 3 | José Gálvez Engels | Chile | 1:06.47 | |
| 24 | 2 | 1 | Arnoldo Herrera | Costa Rica | 1:07.11 | |
| 25 | 1 | 4 | Alexandre Grand'Pierre | Haiti | 1:07.32 | |
| 26 | 2 | 8 | William Tyler Russell | Bahamas | 1:07.67 | |
| 27 | 1 | 5 | Miguel Castillo Romero | Peru | 1:07.68 | |

### Final B

The B final was also held on August 6.
| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 6 | Marco Guarente | Venezuela | 1:01.59 | |
| 10 | 5 | James Dergousoff | Canada | 1:02.00 | |
| 11 | 8 | Édgar Crespo | Panama | 1:02.31 | |
| 12 | 1 | Julio Horrego | Honduras | 1:02.37 | NR |
| 13 | 4 | Gabriel Morelli | Argentina | 1:02.52 | |
| 14 | 3 | Carlos Mahecha | Colombia | 1:02.68 | |
| 15 | 2 | Carlos Claverie | Venezuela | 1:02.98 | |
| 16 | 7 | Josué Domínguez | Dominican Republic | 1:03.03 | |

### Final A

The A final was also held on August 6.
| Rank | Lane | Name | Nationality | Time |
| | 4 | João Gomes Júnior | Brazil | 59.51 |
| | 3 | Cody Miller | United States | 59.57 |
| | 6 | Kevin Cordes | United States | 1:00.27 |
| 4 | 5 | Felipe Lima | Brazil | 1:00.36 |
| 5 | 2 | Jorge Murillo | Colombia | 1:00.91 |
| 6 | 7 | Miguel de Lara | Mexico | 1:01.12 |
| 7 | 1 | Mauro Castillo Luna | Mexico | 1:01.15 |
| 8 | 8 | Martin Melconian | Uruguay | 1:02.09 |