400 m, Men
| Competition | 1951 Pan American Games |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Mal Whitfield |  USA |
47.8 | ||
| 🥈 | Hugo Maiocco | USA |
48.0 | ||
| 🥉 | Herb McKenley |  JAM |
48.2 |
| Competition | 1951 Pan American Games |
|---|---|
| Venue |
Buenos Aires
ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Mal Whitfield | USA |
47.8 | ||
| 🥈 | Hugo Maiocco | USA |
48.0 | ||
| 🥉 | Herb McKenley | JAM |
48.2 |