4 x 100 m Medley Relay, Men
| Competition | 1978 South American Games |
|---|---|
| Venue |
La Paz
 BOL
|
| Held | — |
| Status | Medal |
| Competitors | 4 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
— | ||
| Miguel Demarchi | — | ||||
| Gerardo Mayorca | — | ||||
| Rodolfo Gardiasz | — | ||||
| Claudio Gardiasz | — | ||||
| 🥈 | Ecuador |  ECU |
— | ||
| 🥉 | Bolivia | BOL |
— |