400 m, Women
| Competition | 2018 South American Games |
|---|---|
| Venue |
Cochabamba
 BOL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Yenifer Padilla |  COL |
52.14 | ||
| 🥈 | Geisa Coutinho |  BRA |
52.93 | ||
| 🥉 | Fernanda Mackenna |  CHI |
53.60 |
| Competition | 2018 South American Games |
|---|---|
| Venue |
Cochabamba
BOL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Yenifer Padilla | COL |
52.14 | ||
| 🥈 | Geisa Coutinho | BRA |
52.93 | ||
| 🥉 | Fernanda Mackenna | CHI |
53.60 |