4 x 100 m Relay, Women
| Competition | 2018 South American Athletics U23 Championships |
|---|---|
| Venue |
Cuenca
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ecuador | ECU |
44.18 | ||
| Katherine Chillambo | — | ||||
| Ángela Tenorio | — | ||||
| Marina Poroso | — | ||||
| Anahí Suárez | — | ||||
| 🥈 | Chile |  CHI |
45.55 | ||
| Poulette Cardoch | — | ||||
| Martina Weil | — | ||||
| María Montt | — | ||||
| Javiera Cañas | — | ||||
| 🥉 | Colombia |  COL |
45.57 | ||
| Shelsy Romero | — | ||||
| Damaris Palomeque | — | ||||
| Eliana Chávez | — | ||||
| Evelyn Rivera | — |