4 x 400 m Relay, Mixed
| Competition | 2021 South American Athletics Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Colombia |  COL |
3:21.38 | ||
| Raúl Hernán Mena | — | ||||
| Nicolás Salinas | — | ||||
| Angie Palacios | — | ||||
| Yenifer Padilla | — | ||||
| 🥈 | Argentina |  ARG |
3:23.77 | ||
| Leandro París | — | ||||
| Elián Larregina | — | ||||
| María Ayelén Diogo | — | ||||
| Noelia Martínez | — | ||||
| 🥉 | Ecuador | ECU |
3:27.97 | ||
| Anderson Colorado | — | ||||
| Alan Minda | — | ||||
| Virginia Villalba | — | ||||
| Evelin Mercado | — |