| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Alejandro Manuel Cárdenas | 
                                         
                                        MEX
                                     | 
                                    46.51 Q | 0.139 | 
| 2 | Lars Figura | 
                                         
                                        GER
                                     | 
                                    46.71 Q | 0.122 | 
| 3 | David Canal | 
                                         
                                        ESP
                                     | 
                                    46.93 | 0.164 | 
| 4 | Sunday Bada | 
                                         
                                        NGR
                                     | 
                                    47.07 | 0.140 | 
| 5 | Piotr Dlugosielski | 
                                         
                                        POL
                                     | 
                                    47.55 | 0.157 | 
| 6 | Casey Vincent | 
                                         
                                        AUS
                                     | 
                                    48.03 | 0.141 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Milton Campbell | 
                                         
                                        USA
                                     | 
                                    46.23 Q | 0.167 | 
| 2 | Troy McIntosh | 
                                         
                                        BAH
                                     | 
                                    46.32 Q SB | 0.143 | 
| 3 | Sanderlei Parrela | 
                                         
                                        BRA
                                     | 
                                    46.39 | 0.182 | 
| 4 | Juan Vicente Trull | 
                                         
                                        ESP
                                     | 
                                    46.88 PB | 0.142 | 
| 5 | Jun Osakada | 
                                         
                                        JPN
                                     | 
                                    46.95 | 0.148 | 
| Tomasz Czubak | 
                                         
                                        POL
                                     | 
                                    DNF | 0.166 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Jamie Baulch | 
                                         
                                        GBR
                                     | 
                                    46.14 Q | 0.138 | 
| 2 | Roxbert Martin | 
                                         
                                        JAM
                                     | 
                                    46.34 Q | 0.198 | 
| 3 | Matija Å estak | 
                                         
                                        SLO
                                     | 
                                    46.84 NR | 0.175 | 
| 4 | Fred Mango | 
                                         
                                        FRA
                                     | 
                                    47.06 | 0.140 | 
| 5 | Deon Minor | 
                                         
                                        USA
                                     | 
                                    47.12 | 0.134 | 
| 6 | PeriklÃs Iakovákis | 
                                         
                                        GRE
                                     | 
                                    47.23 | 0.139 |