Swimming at the 2019 Pan American Games – Men's 400 metre freestyle
The men'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 | 3:40.07 | Rome, Italy | July 26, 2009 | |
| Pan American Games record | 3:48.29 | 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 | 5 | Alex Sobers | 3:58.39 | ||
| 10 | 4 | Christian Bayo | 3:58.64 | ||
| 11 | 3 | Joaquin Gallo | 3:59.09 | ||
| 12 | 2 | Yugo Tsukikawa | 4:00.68 | ||
| 13 | 8 | Graham Chatoor | 4:02.77 | ||
| 14 | 6 | Matheo Mateos | 4:02.81 | ||
| 15 | 1 | Christian Martinelli | 4:05.20 | ||
| 16 | 7 | John Michael Bodden | 4:10.70 |
Final A
The A final was also held on August 6.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Andrew Abruzzo | 3:48.41 | |||
| 3 | Fernando Scheffer | 3:49.60 | |||
| 2 | Luiz Altamir Melo | 3:49.91 | |||
| 4 | 5 | Christopher Wieser | 3:50.39 | ||
| 5 | 8 | Rafael Zambrano | 3:52.27 | ||
| 6 | 1 | Ricardo Vargas | 3:52.68 | ||
| 7 | 6 | Marcelo Acosta | 3:54.20 | ||
| 8 | 7 | Santiago Corredor | 3:56.00 |