400 m, Men
| Competition | 1983 Ibero-American Championships in Athletics |
|---|---|
| Venue |
Barcelona
 ESP
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Lázaro Martínez |  CUB |
46.37 | ||
| 🥈 | Sérgio de Menezes |  BRA |
47.28 | ||
| 🥉 | Isidoro Hornillos | ESP |
48.12 |