400 m, Men
| Competition | 1999 World Athletics U18 Championships |
|---|---|
| Venue |
Bydgoszcz
 POL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | William Nkosi |  RSA |
46.94 | ||
| 🥈 | Glauder Garzón |  CUB |
47.00 | ||
| 🥉 | Mark Van Soest | RSA |
47.19 |