400 m, Women
| Competition | 2017 South American Athletics U20 Championships |
|---|---|
| Venue |
Leonora
 GUY
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Tiffani Marinho |  BRA |
54.25 | ||
| 🥈 | Avon Samuels | GUY |
55.45 | ||
| 🥉 | Karen Segura |  COL |
57.56 |