400 m Freestyle, Men
| Competition | 1951 Pan American Games |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Tetsuo Okamoto |  BRA |
4:52.4 | ||
| 🥈 | Bill Heusner |  USA |
4:54.5 | ||
| 🥉 | Tonatiuh Gutiérrez |  MEX |
4:57.2 |