400 m, Men
| Competition | 2026 South American Indoor Championships |
|---|---|
| Venue |
Cochabamba
 BOL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Matheus Lima |  BRA |
45.85 | ||
| 🥈 | Tiago Lemes | BRA |
47.02 | ||
| 🥉 | Elián Larregina |  ARG |
47.46 |