400 m, Women
| Competition | 2023 South American Athletics U20 Championships |
|---|---|
| Venue |
São Paulo
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Tianna Springer |  GUY |
53.28 | ||
| 🥈 | Camille De Oliveira | BRA |
54.08 | ||
| 🥉 | Nahomy Castro |  COL |
54.46 |