| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 280 | Dmitry Buryak | 
                                         
                                        RUS
                                     | 
                                    47.03 Q | 0.183 | 
| 2 | 17 | Michael Mathieu | 
                                         
                                        BAH
                                     | 
                                    47.10 Q | 0.312 | 
| 3 | 310 | Rabah YOUSIF | 
                                         
                                        SUD
                                     | 
                                    47.21 | 0.232 | 
| 4 | 109 | Santiago Ezquerro | 
                                         
                                        ESP
                                     | 
                                    47.26 | 0.218 | 
| 5 | 105 | Takeshi Fujiwara | 
                                         
                                        ESA
                                     | 
                                    48.21 NR | 0.259 | 
| 324 | Renny QUOW | 
                                         
                                        TTO
                                     | 
                                    DNF | 0.294 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 194 | David Gillick | 
                                         
                                        IRL
                                     | 
                                    46.72 Q | 0.166 | 
| 2 | 76 | Williams Collazo | 
                                         
                                        CUB
                                     | 
                                    46.78 Q | 0.246 | 
| 3 | 208 | Ricardo Chambers | 
                                         
                                        JAM
                                     | 
                                    47.06 q | 0.287 | 
| 4 | 150 | Dale Garland | 
                                         
                                        GBR
                                     | 
                                    48.26 | 0.194 | 
| 5 | 254 | Wala Gime | 
                                         
                                        PNG
                                     | 
                                    49.92 NR | 0.291 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 343 | Bershawn Jackson | 
                                         
                                        USA
                                     | 
                                    46.87 Q | 0.219 | 
| 2 | 72 | Nery Brenes | 
                                         
                                        CRC
                                     | 
                                    46.94 Q | 0.214 | 
| 3 | 148 | Richard Buck | 
                                         
                                        GBR
                                     | 
                                    47.02 q | 0.229 | 
| 4 | 14 | Clemens Zeller | 
                                         
                                        AUT
                                     | 
                                    47.39 | 0.280 | 
| 5 | 374 | Lewis Banda | 
                                         
                                        ZIM
                                     | 
                                    48.85 | 0.420 | 
| 6 | 39 | Gakologewang L. Masheto | 
                                         
                                        BOT
                                     | 
                                    50.96 SB | 0.156 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 363 | Jamaal Torrance | 
                                         
                                        USA
                                     | 
                                    46.70 Q | 0.253 | 
| 2 | 212 | Edino Steele | 
                                         
                                        JAM
                                     | 
                                    46.80 Q | 0.261 | 
| 3 | 195 | Brian GREGAN | 
                                         
                                        IRL
                                     | 
                                    47.26 | 0.274 | 
| 4 | 130 | Nicolas Fillon | 
                                         
                                        FRA
                                     | 
                                    48.28 | 0.206 | 
| 5 | 325 | Jarrin Solomon | 
                                         
                                        TTO
                                     | 
                                    48.37 | 0.192 | 
| 6 | 186 | Matthew Pangelinan | 
                                         
                                        GUM
                                     | 
                                    55.33 PB | 0.253 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 16 | Chris Brown | 
                                         
                                        BAH
                                     | 
                                    46.95 Q | 0.195 | 
| 2 | 258 | Marcin Marciniszyn | 
                                         
                                        POL
                                     | 
                                    47.23 | 0.235 | 
| 3 | 99 | Arismendy Peguero | 
                                         
                                        DOM
                                     | 
                                    47.28 | 0.239 | 
| 4 | 333 | Andrés Silva | 
                                         
                                        URU
                                     | 
                                    49.09 SB | 0.255 | 
| 278 | Denis Alekseyev | 
                                         
                                        RUS
                                     | 
                                    DQ | 0.301 | |
| 373 | Mohammed Ghaleb Al-Omaisi | 
                                         
                                        YEM
                                     | 
                                    DNS | 0.000 |