# Swimming at the 2015 Pan American Games – Men's 400 metre freestyle

The men's 400 metre freestyle competition of the swimming events at the 2015 Pan American Games took place on July 17 at the CIBC Pan Am/Parapan Am Aquatics Centre and Field House in Toronto, Canada. The defending Pan American Games champion was Charlie Houchin of the United States.
This race consisted of eight lengths of the pool 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 | Paul Biedermann (GER) | 3:40.07 | Rome, Italy | July 26, 2009 |
| Pan American Games record | Matt Paton (USA) | 3:49.77 | Rio de Janeiro, Brazil | July 18, 2007 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 17 July | A Final | Ryan Cochrane | Canada | 3:48.29 | GR |

## Qualification

Each National Olympic Committee (NOC) was able to enter up to two entrants providing they had met the A standard (3:57.29) 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 (4.11.53) 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 17, 2015 | 10:51 | Heats |
| July 17, 2015 | 20:01 | Final B |
| July 17, 2015 | 20:09 | 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 17.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Ryan Cochrane | Canada | 3:50.58 | QA |
| 2 | 1 | 4 | Leonardo de Deus | Brazil | 3:51.40 | QA |
| 3 | 2 | 5 | Michael Klueh | United States | 3:51.76 | QA |
| 4 | 2 | 4 | Ryan Feeley | United States | 3:51.79 | QA |
| 5 | 3 | 5 | Jeremy Bagshaw | Canada | 3:52.13 | QA |
| 6 | 1 | 6 | Cristian Quintero | Venezuela | 3:52.63 | QA |
| 7 | 1 | 3 | Mateo de Angulo | Colombia | 3:53.01 | QA |
| 8 | 3 | 6 | Ricardo Vargas | Mexico | 3:53.40 | QA |
| 9 | 3 | 3 | Lucas Kanieski | Brazil | 3:53.80 | QB |
| 10 | 1 | 2 | Christian Bayo | Puerto Rico | 3:53.93 | QB |
| 11 | 2 | 2 | Rafael D'Avila | Venezuela | 3:54.23 | QB |
| 12 | 2 | 3 | Martin Naidich | Argentina | 3:54.44 | QB |
| 13 | 1 | 5 | Marcelo Acosta | El Salvador | 3:54.83 | QB |
| 14 | 2 | 7 | Tomas Peribonio | Ecuador | 3:55.70 | QB |
| 15 | 3 | 2 | Juan Martin Pereyra | Argentina | 3:56.86 | QB |
| 16 | 2 | 6 | Arturo Perez Vertti | Mexico | 4:00.28 | QB |
| 17 | 3 | 7 | Alex Sobers | Barbados | 4:01.77 | |
| 18 | 1 | 7 | Noah Mascoll-Gomes | Antigua and Barbuda | 4:13.55 | |

### B Final

The B final was also held on July 17.
| Rank | Lane | Name | Nationality | Time |
| 9 | 6 | Marcelo Acosta | El Salvador | 3:51.12 |
| 10 | 4 | Lucas Kanieski | Brazil | 3:52.73 |
| 11 | 3 | Rafael D'Avila | Venezuela | 3:53.76 |
| 12 | 5 | Christian Bayo | Puerto Rico | 3:54.11 |
| 13 | 2 | Tomas Peribonio | Ecuador | 3:57.49 |
| 14 | 7 | Juan Martin Pereyra | Argentina | 3:59.65 |
| 15 | 8 | Alex Sobers | Barbados | 4:00.25 |
| 16 | 1 | Arturo Perez Vertti | Mexico | 4:00.96 |

### A Final

The A final was also held on July 17.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Ryan Cochrane | Canada | 3:48.29 | GR |
| | 6 | Ryan Feeley | United States | 3:49.69 | |
| | 5 | Leonardo de Deus | Brazil | 3:50.30 | |
| 4 | 3 | Michael Klueh | United States | 3:50.53 | |
| 5 | 2 | Jeremy Bagshaw | Canada | 3:50.55 | |
| 6 | 1 | Mateo de Angulo | Colombia | 3:51.38 | NR |
| 7 | 7 | Cristian Quintero | Venezuela | 3:52.92 | |
| 8 | 8 | Ricardo Vargas | Mexico | 3:55.42 | |