| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 433 | Yuzo Kanemaru | 
                                         
                                        JPN
                                     | 
                                    46.04 Q | 0.157 | 
| 2 | 56 | Jonathan BORLÉE | 
                                         
                                        BEL
                                     | 
                                    46.08 Q PB | 0.154 | 
| 3 | 413 | Allodin Fothergill | 
                                         
                                        JAM
                                     | 
                                    46.68 q | 0.190 | 
| 4 | 455 | Julius Kirwa | 
                                         
                                        KEN
                                     | 
                                    46.76 | 0.221 | 
| 5 | 241 | Niko Verekauta | 
                                         
                                        FIJ
                                     | 
                                    46.77 | 0.173 | 
| 6 | 629 | Anton Kokorin | 
                                         
                                        RUS
                                     | 
                                    46.78 SB | 0.224 | 
| 7 | 608 | Alvin Samuels | 
                                         
                                        RSA
                                     | 
                                    47.21 | 0.160 | 
| 8 | 265 | Yannick Fonsat | 
                                         
                                        FRA
                                     | 
                                    47.79 | 0.167 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 724 | Renny QUOW | 
                                         
                                        TTO
                                     | 
                                    46.18 Q | 0.217 | 
| 2 | 785 | Justin Oliver | 
                                         
                                        USA
                                     | 
                                    46.22 Q | 0.332 | 
| 3 | 285 | Grant Baker | 
                                         
                                        GBR
                                     | 
                                    46.85 | 0.182 | 
| 4 | 57 | Kévin BORLÉE | 
                                         
                                        BEL
                                     | 
                                    46.95 | 0.149 | 
| 5 | 538 | Victor Isaiah | 
                                         
                                        NGR
                                     | 
                                    46.98 | 0.193 | 
| 6 | 216 | Aitor MartÃn | 
                                         
                                        ESP
                                     | 
                                    47.35 | 0.181 | 
| 7 | 18 | Alex Bubner | 
                                         
                                        AUS
                                     | 
                                    47.43 PB | 0.163 | 
| 8 | 550 | Mohamed Salim Al-Rawahi | 
                                         
                                        OMA
                                     | 
                                    47.74 | 0.166 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 300 | Martyn ROONEY | 
                                         
                                        GBR
                                     | 
                                    46.01 Q | 0.160 | 
| 2 | 95 | Andrew Dargie | 
                                         
                                        CAN
                                     | 
                                    46.45 Q | 0.177 | 
| 3 | 421 | Edino Steele | 
                                         
                                        JAM
                                     | 
                                    46.55 q | 0.220 | 
| 4 | 457 | Silvester Kirwa Meli | 
                                         
                                        KEN
                                     | 
                                    46.84 PB | 0.223 | 
| 5 | 794 | Quentin Iglehart-Summers | 
                                         
                                        USA
                                     | 
                                    47.04 | 0.208 | 
| 6 | 636 | Dmitry Buryak | 
                                         
                                        RUS
                                     | 
                                    47.24 PB | 0.145 | 
| 7 | 380 | Reza Bouazar | 
                                         
                                        IRI
                                     | 
                                    47.25 | 0.167 | 
| 8 | 23 | Dylan Grant | 
                                         
                                        AUS
                                     | 
                                    47.41 | 0.169 |