400 m, Men
| Competition | 2023 Pan American Games |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Lucas Vilar |  BRA |
45.77 | ||
| 🥈 | Luis Avilés |  MEX |
45.97 | ||
| 🥉 | Martín Kouyoumdjian | CHI |
46.58 |
| Competition | 2023 Pan American Games |
|---|---|
| Venue |
Santiago
CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Lucas Vilar | BRA |
45.77 | ||
| 🥈 | Luis Avilés | MEX |
45.97 | ||
| 🥉 | Martín Kouyoumdjian | CHI |
46.58 |