4 x 400 m Relay, Women
| Competition | 2010 South American Athletics U23 Championships |
|---|---|
| Venue |
Medellin
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Colombia | COL |
3:40.09 | ||
| Janeth Largacha | — | ||||
| María Alejandra Idrobo | — | ||||
| Marcela Cuesta | — | ||||
| Yenifer Padilla | — | ||||
| 🥈 | Brazil |  BRA |
3:40.68 | ||
| Bárbara Leôncio | — | ||||
| Elaine Paixão | — | ||||
| Ana Claudia Lemos | — | ||||
| Bárbara de Oliveira | — | ||||
| 🥉 | Bolivia |  BOL |
3:51.04 | ||
| Carla Cavero | — | ||||
| Alison Sánchez | — | ||||
| Marysabel Romero | — | ||||
| Leslie Arnez | — |