400 m, Women
| Competition | 2021 South American Youth Games |
|---|---|
| Venue |
Rosario
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Julia Ribeiro |  BRA |
55.11 | ||
| 🥈 | Ibeyis Romero |  VEN |
56.67 | ||
| 🥉 | Paola Loboa |  COL |
57.17 |
| Competition | 2021 South American Youth Games |
|---|---|
| Venue |
Rosario
ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Julia Ribeiro | BRA |
55.11 | ||
| 🥈 | Ibeyis Romero | VEN |
56.67 | ||
| 🥉 | Paola Loboa | COL |
57.17 |