| Final | time | ||
| 1. James Walker |  United States | 49.66s | |
| 2. Antônio Ferreira |  Brazil | 50.85s | |
| 3. Frank Montieh |  Cuba | 51.30s | |
| 4. Julio Ferrer |  Puerto Rico | 51.48s | |
| 5. Ian Newhouse |  Canada | 51.58s | |
| 6. Donizete Soares | Brazil | 51.72s | |
| 7. Carlos Yambot | Puerto Rico | 51.76s | |
| 8. Luis Misigñak | Cuba | 53.08s |
| Todor66 | |
| Pan America Games 1979 index | |
| Pan America Games Athletics index | |
| World Athletics index | |
| . |
Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 30 Oct 2023
Facebook Todor Krastev
