400 m, Men
| Competition | 1991 Pan American Games |
|---|---|
| Venue |
La Habana
 CUB
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Roberto Hernández | CUB |
44.52 | ||
| 🥈 | Ian Morris |  TTO |
45.24 | ||
| 🥉 | Jeff Reynolds |  USA |
45.81 |
| Competition | 1991 Pan American Games |
|---|---|
| Venue |
La Habana
CUB
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Roberto Hernández | CUB |
44.52 | ||
| 🥈 | Ian Morris | TTO |
45.24 | ||
| 🥉 | Jeff Reynolds | USA |
45.81 |