400 m Freestyle, Men
| Competition | 1952 South American Aquatics Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | 18 March 1952 |
| Status | Medal |
| Competitors | 8 |
| Countries | 5 |
| Pos | Athlete(s) | Country | Preliminary Round | Final | ||
|---|---|---|---|---|---|---|
| 🥇 | Tetsuo Okamoto |  BRA |
4:55.6 (1 h2) |
4:49.0 (1 F) |
||
| 🥈 | Sylvio dos Santos | BRA |
4:57.6 (2 h1) |
4:53.0 (2 F) |
||
| 🥉 | Alfredo Yantorno |  ARG |
4:56.0 (2 h2) |
5:01.6 (3 F) |
||
| 4 | Federico Zwanck | ARG |
4:54.9 (1 h1) |
5:04.3 (4 F) |
||
| 5 | Florbel Pérez |  URU |
5:07.2 (3 h2) |
5:04.5 (5 F) |
||
| 6 | Huerta | PER |
5:05.1 (3 h1) |
5:05.3 (6 F) |
||
| 7 | Guillermo Flow |  CHI |
5:07.4 (4 h2) |
— (7 F) |
||
| 8 | Eduardo Priggione | URU |
5:09.4 (4 h1) |
5:07.8 (8 F) |
Preliminary Round
Heat 1
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Federico Zwanck | ARG |
4:54.9 | |
| 2 | Sylvio dos Santos | BRA |
4:57.6 | |
| 3 | Huerta | PER |
5:05.1 | |
| 4 | Eduardo Priggione | URU |
5:09.4 |
Heat 2
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Tetsuo Okamoto | BRA |
4:55.6 | |
| 2 | Alfredo Yantorno | ARG |
4:56.0 | |
| 3 | Florbel Pérez | URU |
5:07.2 | |
| 4 | Guillermo Flow | CHI |
5:07.4 |
Final
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Tetsuo Okamoto | BRA |
4:49.0 | |
| 2 | Sylvio dos Santos | BRA |
4:53.0 | |
| 3 | Alfredo Yantorno | ARG |
5:01.6 | |
| 4 | Federico Zwanck | ARG |
5:04.3 | |
| 5 | Florbel Pérez | URU |
5:04.5 | |
| 6 | Huerta | PER |
5:05.3 | |
| 7 | Guillermo Flow | CHI |
— | |
| 8 | Eduardo Priggione | URU |
5:07.8 |