400 m, Women
| Competition | 2025 South American Athletics Championships |
|---|---|
| Venue |
Mar del Plata
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Martina Weil |  CHI |
51.14 | ||
| 🥈 | Evelis Aguilar |  COL |
51.26 | ||
| 🥉 | Nicole Caicedo |  ECU |
53.05 |