400 m, Men
| Competition | 2008 World Athletics U20 Championships |
|---|---|
| Venue |
Bydgoszcz
 POL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Marcus Boyd |  USA |
45.53 | ||
| 🥈 | Kirani James |  GRN |
45.70 | ||
| 🥉 | O'Neal Wilder | USA |
45.76 |
| Competition | 2008 World Athletics U20 Championships |
|---|---|
| Venue |
Bydgoszcz
POL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Marcus Boyd | USA |
45.53 | ||
| 🥈 | Kirani James | GRN |
45.70 | ||
| 🥉 | O'Neal Wilder | USA |
45.76 |