| 1 | Paul McKee | IRL | 46,24 | Q | NR |
| 2 | Jamie Baulch | GBR | 46,74 | Q | |
| 3 | Daniel Batman | AUS | 46,76 | Q | |
| 4 | Ioan Lucian Vieru | ROM | 47,01 | ||
| 5 | Christopher Brown | BAH | 47,03 | ||
| 6 | Sofiane Labidi | TUN | 47,14 |
| 1 | Daniel Caines | GBR | 46,24 | Q |
| 2 | Tyree Washington | USA | 46,50 | Q |
| 3 | David McCarthy | IRL | 46,61 | Q |
| 4 | Marek Plawgo | POL | 46,82 | |
| 5 | Cedric van Branteghem | BEL | 47,01 | |
| 6 | David Canal | ESP | 47,17 |