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

The women'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 Gillian Ryan 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 | Katie Ledecky (USA) | 3:58.37 | Gold Coast, Australia | August 23, 2014 |
| Pan American Games record | Elizabeth Hill (USA) | 4:10.48 | Santo Domingo, Dominican Republic | August 13, 2003 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 17 July | A Final | Emily Overholt | Canada | 4:08.42 | GR |

## Qualification

Each National Olympic Committee (NOC) was able to enter up to two entrants providing they had met the A standard (4:17.99) 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 (4:33.47) 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 | 10:29 | Heats |
| July 17, 2015 | 19:43 | Final B |
| July 17, 2015 | 19:52 | 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 | 5 | Kiera Janzen | United States | 4:11.82 | QA |
| 2 | 3 | 4 | Andreina Pinto | Venezuela | 4:12.43 | QA |
| 3 | 3 | 3 | Manuella Lyrio | Brazil | 4:15.38 | QA |
| 4 | 1 | 5 | Joanna Evans | Bahamas | 4:15.51 | QA |
| 5 | 2 | 4 | Gillian Ryan | United States | 4:15.95 | QA |
| 6 | 3 | 2 | María Álvarez | Colombia | 4:16.90 | QA |
| 7 | 2 | 3 | Carolina Bilich | Brazil | 4:16.92 | QA |
| 8 | 1 | 4 | Emily Overholt | Canada | 4:18.21 | QA |
| 9 | 1 | 3 | Natalia Jaspeado | Mexico | 4:18.30 | QB |
| 10 | 2 | 5 | Tabitha Baumann | Canada | 4:18.70 | QB |
| 11 | 3 | 6 | Allyson Macias | Mexico | 4:20.45 | QB |
| 12 | 2 | 2 | Elisbet Gamez | Cuba | 4:21.10 | QB |
| 13 | 2 | 6 | Andrea Cedrón | Peru | 4:21.31 | QB |
| 14 | 1 | 6 | Gabriela Santis | Guatemala | 4:24.73 | QB |
| 15 | 3 | 7 | Daniella van den Berg | Aruba | 4:28.01 | QB |
| 16 | 2 | 7 | Rebeca Quinteros | El Salvador | 4:29.19 | QB |
| 17 | 1 | 2 | Lani Cabrera | Bahamas | 4:29.46 | |

### B Final

The B final was also held on July 17.
| Rank | Lane | Name | Nationality | Time |
| 9 | 5 | Tabitha Baumann | Canada | 4:16.03 |
| 10 | 7 | Gabriela Santis | Guatemala | 4:16.79 |
| 11 | 4 | Natalia Jaspeado | Mexico | 4:17.25 |
| 12 | 3 | Allyson Macias | Mexico | 4:17.49 |
| 13 | 6 | Elisbet Gamez | Cuba | 4:18.23 |
| 14 | 2 | Andrea Cedrón | Peru | 4:23.93 |
| 15 | 8 | Rebeca Quinteros | El Salvador | 4:27.89 |
| 16 | 1 | Daniella van den Berg | Aruba | 4:30.14 |

### A Final

The A final was also held on July 17.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 8 | Emily Overholt | Canada | 4:08.42 | GR |
| | 5 | Andreina Pinto | Venezuela | 4:08.67 | |
| | 2 | Gillian Ryan | United States | 4:09.46 | |
| 4 | 3 | Manuella Lyrio | Brazil | 4:10.92 | NR |
| 5 | 4 | Kiera Janzen | United States | 4:11.32 | |
| 6 | 6 | Joanna Evans | Bahamas | 4:14.51 | |
| 7 | 1 | Carolina Bilich | Brazil | 4:17.40 | |
| 8 | 7 | María Álvarez | Colombia | 4:17.80 | |