Swimming at the 2019 Pan American Games – Women's 400 metre freestyle
The women's 400 metre freestyle competition of the swimming events at the 2019 Pan American Games are scheduled to be 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 | 3:56.46 | Rio de Janeiro, Brazil | August 7, 2016 | |
| Pan American Games record | 4:08.42 | Toronto, Canada | July 17, 2015 |
Results
Heats
The first round was held on August 6.Final B
The B final was also held on August 6.| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 4 | María Álvarez | 4:21.44 | ||
| 10 | 6 | Giselle Gursoy | 4:24.17 | ||
| 11 | 3 | Azra Pinto | 4:24.99 | ||
| 12 | 5 | Michelle Jativa Revelo | 4:26.19 | ||
| 13 | 2 | Sara Pastrana | 4:27.11 | ||
| Samantha Soriano | DNS |
Final A
The A final was also held on August 6.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Delfina Pignatiello | 4:10.86 | |||
| 3 | Danica Ludlow | 4:11.97 | |||
| 5 | Alyson Ackman | 4:12.05 | |||
| 4 | 2 | Mariah Denigan | 4:12.23 | ||
| 5 | 6 | Aline Rodrigues | 4:12.79 | ||
| 6 | 8 | Viviane Jungblut | 4:15.35 | ||
| 7 | 7 | Allyson Macías Alba | 4:15.39 | ||
| 8 | 1 | Rebecca Mann | 4:15.51 |