400 m, Men
| Competition | 2012 World Athletics U20 Championships |
|---|---|
| Venue |
Barcelona
 ESP
|
| Held | — |
| Status | Medal |
| Competitors | 4 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| DQ | Luguelín Santos |  DOM |
44.85 | * | |
| 🥇 | Arman Hall |  USA |
45.39 | ||
| 🥈 | Aldrich Bailey | USA |
45.52 | ||
| 🥈 | Steven Solomon |  AUS |
45.52 |