4 x 100 m Relay, Women
| Competition | 1999 South American Athletics U20 Championships |
|---|---|
| Venue |
Concepción
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Colombia |  COL |
45.87 | ||
| Melisa Murillo | — | ||||
| Digna Murillo | — | ||||
| Sira Córdoba | — | ||||
| Norma González | — | ||||
| 🥈 | Brazil |  BRA |
46.63 | ||
| Maíla Machado | — | ||||
| Priscila Da Silva | — | ||||
| Juliana Pereira | — | ||||
| Thatiana Ignácio | — | ||||
| 🥉 | Chile | CHI |
47.36 | ||
| Pilar Fuenzalida | — | ||||
| María José Echeverría | — | ||||
| Fabiola Hecht | — | ||||
| Daniela Pávez | — |