| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 895 | LaShawn Merritt | 
                                         
                                        USA
                                     | 
                                    45.25 WJL | 0.153 | 
| 2 | 761 | Nagmeldin Ali Abubakr | 
                                         
                                        SUD
                                     | 
                                    45.97 | 0.174 | 
| 3 | 91 | Obakeng Ngwigwa | 
                                         
                                        BOT
                                     | 
                                    45.97 NJR | 0.174 | 
| 4 | 712 | Valentin Kruglyakov | 
                                         
                                        RUS
                                     | 
                                    46.40 | 0.183 | 
| 5 | 831 | Serdar Tamac | 
                                         
                                        TUR
                                     | 
                                    46.63 NJR | 0.190 | 
| 6 | 30 | Sean Wroe | 
                                         
                                        AUS
                                     | 
                                    46.84 | 0.181 | 
| 7 | 880 | Keith Hinnant | 
                                         
                                        USA
                                     | 
                                    46.88 | 0.189 | 
| 8 | 94 | Paulo Roberto Orlando | 
                                         
                                        BRA
                                     | 
                                    46.95 | 0.165 |