4 x 100 m Relay, Women
| Competition | 2021 South American Athletics U23 Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
44.48 | ||
| Vida Caetano | — | ||||
| Lorraine Martins | — | ||||
| Letícia Lima | — | ||||
| Gabriela Mourão | — | ||||
| 🥈 | Ecuador | ECU |
45.90 | ||
| Nicole Chalá | — | ||||
| Katherine Chillambó | — | ||||
| Nicole Caicedo | — | ||||
| Anahí Suárez | — | ||||
| 🥉 | Chile |  CHI |
46.06 | ||
| Rocío Muñoz | — | ||||
| Martina Weil | — | ||||
| Anaïs Hernández | — | ||||
| Trinidad Hurtado | — |