4 x 100 m Relay, Men
| Competition | 1973 South American Athletics U18 Championships |
|---|---|
| Venue |
Comodore Rivadavia
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
44.3 | ||
| F Ferreira | — | ||||
| Katsuhiko Nakaya | — | ||||
| José Silva | — | ||||
| Rogério Brito | — | ||||
| 🥈 | Argentina | ARG |
44.6 | ||
| A Ugolini | — | ||||
| Osvaldo Scovena | — | ||||
| Néstor Darwich | — | ||||
| Javier Brasich | — | ||||
| 🥉 | Chile |  CHI |
45.2 | ||
| Cristian Rodríguez | — | ||||
| J Argüello | — | ||||
| G Huete | — | ||||
| E Cox | — |