Start Time: 02:25pm
WR 43.18 Michael Johnson (USA)
ER 44.33 Thomas Schonlebe (GDR)
IR 45.12 David Gillick (IRL)
MR 45.32 Brandon Simpson (JAM)
| Place | No. | Lane | Name | Country | YOB | Official Time | Reaction Time |
| 1 | 12 | 4 | Brian Gregan | Ireland | 89 | 47.02 | 0,258 |
| 2 | 43 | 6 | Piotr Klimczak | Poland | 80 | 47.50 | 0,324 |
| 3 | 14 | 3 | Brian Murphy | Ireland | 82 | 47.54 | 0,197 |
| 4 | 11 | 5 | Abd El Haouzy | France | 75 | 47.62 | 0,268 |
| 5 | 154 | 7 | Richard Davenport | England | 85 | 48.13 | 0,266 |
| 6 | 8 | 1 | Simon Taggert | Ireland | 49.52 | 0,173 | |
| DNF | 151 | 2 | Nick Hogan | Ireland | 80 | DNF | 0,192 |
| DNF | 9 | 8 | Billy Ryan | Ireland | 90 | DNF | 0,312 |
