400 m, Women
| Competition | 2021 South American Athletics Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Tiffani Marinho |  BRA |
52.65 | ||
| 🥈 | Angie Palacios |  COL |
52.86 | ||
| 🥉 | Yenifer Padilla | COL |
53.03 |