400 m, Women
| Competition | 2018 South American Athletics U23 Championships |
|---|---|
| Venue |
Cuenca
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Martina Weil |  CHI |
52.60 | ||
| 🥈 | Tiffani Marinho |  BRA |
52.95 | ||
| 🥉 | Eliana Chávez |  COL |
53.11 |