# Swimming at the 2015 Pan American Games – Men's 100 metre freestyle

The men's 100 metre freestyle competition of the swimming events at the 2015 Pan American Games took place on July 14 at the CIBC Pan Am/Parapan Am Aquatics Centre and Field House in Toronto, Canada. The defending Pan American Games champion was César Cielo Filho of Brazil.
This race consisted of two lengths of the pool, both lengths in freestyle. The top eight swimmers from the heats would qualify for the A final (where the medals would be awarded), while the next best eight swimmers would qualify for the B final.

## Records

Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | César Cielo Filho (BRA) | 46.91 | Rome, Italy | July 30, 2009 |
| Pan American Games record | César Cielo Filho (BRA) | 47.84 | Guadalajara, Mexico | October 16, 2011 |

## Qualification

Each National Olympic Committee (NOC) was able to enter up to two entrants providing they had met the A standard (50.05) in the qualifying period (January 1, 2014 to May 1, 2015). NOCs were also permitted to enter one athlete providing they had met the B standard (53.05) in the same qualifying period. All other competing athletes were entered as universality spots.

## Schedule

All times are Eastern Time Zone (UTC-4).
| Date | Time | Round |
| July 14, 2015 | 10:18 | Heats |
| July 14, 2015 | 19:15 | Final B |
| July 14, 2015 | 19:20 | Final A |

## 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 July 14.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 5 | Federico Grabich | Argentina | 48.60 | QA, NR |
| 2 | 1 | 4 | Santo Condorelli | Canada | 48.88 | QA |
| 3 | 2 | 4 | Marcelo Chierighini | Brazil | 48.92 | QA |
| 4 | 3 | 6 | Cristian Quintero | Venezuela | 49.07 | QA |
| 4 | 1 | 5 | Yuri Kisil | Canada | 49.07 | QA |
| 6 | 1 | 3 | Dylan Carter | Trinidad and Tobago | 49.29 | QA |
| 7 | 2 | 6 | Renzo Tjon-A-Joe | Suriname | 49.47 | QA, NR |
| 8 | 3 | 4 | Matheus Santana | Brazil | 49.52 | QA |
| 9 | 3 | 5 | Brett Fraser | Cayman Islands | 49.58 | QB |
| 10 | 3 | 3 | Darian Townsend | United States | 49.88 | QB |
| 11 | 2 | 3 | Cullen Jones | United States | 50.09 | QB |
| 12 | 1 | 6 | Benjamin Hockin | Paraguay | 50.14 | QB |
| 13 | 2 | 1 | Jordan Augier | Saint Lucia | 50.82 | QB |
| 14 | 3 | 2 | Luis Campos | Mexico | 51.29 | QB |
| 15 | 3 | 7 | Jordy Groters | Aruba | 51.71 | QB |
| 16 | 2 | 2 | Allan Gutiérrez Castro | Honduras | 52.16 | QB |
| 17 | 1 | 7 | Miguel Mena | Nicaragua | 52.55 | |
| 18 | 1 | 2 | Timothy Wynter | Jamaica | 52.59 | |
| 19 | 1 | 1 | Noah Mascoll-Gomes | Antigua and Barbuda | 52.90 | |
| 20 | 3 | 1 | Alex Sobers | Barbados | 52.92 | |
| 21 | 2 | 7 | Marcelo Acosta | El Salvador | 53.40 | |
| 22 | 3 | 8 | Gustavo Gutierrez | Peru | 55.66 | |
| 23 | 1 | 8 | Omar Adams | Guyana | 58.01 | |
| 24 | 2 | 8 | Nikolas Sylvester | Saint Vincent and the Grenadines | 58.29 | |

### B Final

The B final was also held on July 14.
| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Brett Fraser | Cayman Islands | 49.56 |
| 10 | 3 | Benjamin Hockin | Paraguay | 49.88 |
| 11 | 5 | Darian Townsend | United States | 49.97 |
| 12 | 6 | Jordan Augier | Saint Lucia | 50.83 |
| 13 | 2 | Luis Campos | Mexico | 51.70 |
| 14 | 8 | Timothy Wynter | Jamaica | 52.23 |
| 15 | 7 | Allan Gutiérrez Castro | Honduras | 52.59 |
| 15 | 1 | Miguel Mena | Nicaragua | 52.59 |

### A Final

The A final was also held on July 14.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Federico Grabich | Argentina | 48.26 |
| | 5 | Santo Condorelli | Canada | 48.57 |
| | 3 | Marcelo Chierighini | Brazil | 48.80 |
| 4 | 6 | Cristian Quintero | Venezuela | 49.06 |
| 5 | 7 | Dylan Carter | Trinidad and Tobago | 49.10 |
| 6 | 2 | Yuri Kisil | Canada | 49.26 |
| 7 | 8 | Matheus Santana | Brazil | 49.58 |
| 8 | 1 | Renzo Tjon-A-Joe | Suriname | 49.60 |