400 m, Men
| Competition | 2025 South American Athletics U20 Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Victor dos Santos |  BRA |
47.11 | ||
| 🥈 | Ian Pata |  ECU |
47.51 | ||
| 🥉 | Manuel Juárez |  ARG |
47.56 |