4 x 100 m Relay, Women
| Competition | 2021 South American Athletics U20 Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Colombia |  COL |
46.35 | ||
| Isabel Cristina Urrutia | — | ||||
| Natalia Linares | — | ||||
| Melany Bolaño | — | ||||
| Laura Martínez | — | ||||
| 🥈 | Brazil |  BRA |
47.38 | ||
| Alana Amorim | — | ||||
| Tainara Mees | — | ||||
| Suellen de Sant'Anna | — | ||||
| Ana Cecilia Correira | — | ||||
| 🥉 | Ecuador |  ECU |
48.83 | ||
| Xiomara Ibarra | — | ||||
| Medina Nazareno | — | ||||
| Noelia Martínez | — | ||||
| Nicole Chalá | — |