400 m Hurdles, Men
| Competition | 1951 Pan American Games |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jaime Aparicio |  COL |
53.4 | ||
| 🥈 | Wilson Carneiro |  BRA |
53.7 | ||
| 🥉 | Don Halderman |  USA |
54.5 |
| Competition | 1951 Pan American Games |
|---|---|
| Venue |
Buenos Aires
ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jaime Aparicio | COL |
53.4 | ||
| 🥈 | Wilson Carneiro | BRA |
53.7 | ||
| 🥉 | Don Halderman | USA |
54.5 |