| Final | time | ||
| 1. Winthrop Graham |  Jamaica | 48.49s | |
| 2. Kevin Young |  United States | 48.74s | |
| 3. David Patrick | United States | 49.47s | |
| 4. John Graham |  Canada | 49.51s | |
| 5. Pablo Squella |  Chile | 50.17s | |
| 6. Ant�nio Ferreira |  Brazil | 50.20s | |
| 7. Randy Cox |  Trinidad Tobago | 50.47s | |
| 8. Greg Rolle |  Bahamas | 50.50s |
| Todor66 | |
| Pan America Games 1987 index | |
| Pan America Games Athletics index | |
| World Athletics index | |
| . |
Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 30 Oct 2023
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