4 x 100 m Relay, Women
| Competition | 2025 South American Athletics Championships |
|---|---|
| Venue |
Mar del Plata
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
44.35 | ||
| Gabriela Mourão | — | ||||
| Daniele Campigotto | — | ||||
| Lorraine Martins | — | ||||
| Vanessa dos Santos | — | ||||
| 🥈 | Ecuador |  ECU |
45.04 | ||
| Luis Miguel Masabanda | — | ||||
| Gabriela Suárez | — | ||||
| Nicole Caicedo | — | ||||
| Nicole Chalá | — | ||||
| 🥉 | Argentina | ARG |
46.57 | ||
| Belén Fritzsche | — | ||||
| Florencia Lamboglia | — | ||||
| Valentina Napolitano | — | ||||
| Guillermina Cossio | — |