| POS | Rank | Heat | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|
| 1 | 1 | 2 | Thomas Schönlebe |
GDR |
46.62 |
| 2 | 2 | 2 | Todd Bennett |
GBR |
46.69 |
| 3 | 3 | 2 | Mark Rowe |
USA |
46.70 |
| 4 | 1 | 1 | Amadou Dia Ba |
SEN |
47.86 |
| 5 | 2 | 1 | Ángel Heras |
ESP |
47.89 |
| 6 | 3 | 1 | Philip Brown |
GBR |
47.93 |
| 7 | 4 | 1 | Clarence Daniel |
USA |
48.04 |
| 8 | 5 | 1 | Arjen Visserman |
NED |
48.08 |
| 9 | 4 | 2 | Allan Ellsworth |
NED |
48.09 |
| 10 | 6 | 1 | Lázaro Martínez |
CUB |
48.67 |
| 11 | 5 | 2 | Rene Djedjemel Meledje |
CIV |
49.09 |
| 12 | 6 | 2 | Carlos Reyte |
CUB |
49.39 |