4 x 100 m Freestyle Relay, Men
| Competition | 1966 South American Aquatics Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 5 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
3:46.8 | ||
| Mario de Lucca | — | ||||
| Carlos van der Maath | — | ||||
| Alfredo Bordillon | — | ||||
| Luis Nicolao | — | ||||
| 🥈 | Brazil |  BRA |
3:47.7 | ||
| Ílson Asturiano | — | ||||
| Antônio di Renzo Filho | — | ||||
| Roberto Davies | — | ||||
| Paulo da Cunha | — | ||||
| 🥉 | Peru | PER |
3:48.0 | ||
| Luis Paz | — | ||||
| Fernando Silles | — | ||||
| Ángel Bellido | — | ||||
| Juan Carlos Bello | — | ||||
| 4 | Uruguay |  URU |
4:01.5 | ||
| 5 | Ecuador |  ECU |
4:06.0 |