| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 320 | Rovane Williams | 
                                         
                                        JAM
                                     | 
                                    51.94 Q PB | 0.304 | 
| 2 | 337 | Moitalel MPOKE | 
                                         
                                        KEN
                                     | 
                                    52.40 Q PB | 0.303 | 
| 3 | 176 | Daojun Wang | 
                                         
                                        CHN
                                     | 
                                    53.21 q | 0.245 | 
| 4 | 528 | Baptiste Christophe | 
                                         
                                        FRA
                                     | 
                                    53.24 q | 0.190 | 
| 5 | 455 | Tihomir Djordjevic | 
                                         
                                        SRB
                                     | 
                                    54.30 | |
| 6 | 108 | Ayoub Mahrou | 
                                         
                                        ALG
                                     | 
                                    54.83 | 0.175 | 
| 7 | 131 | Matthew Thomspon | 
                                         
                                        BAH
                                     | 
                                    57.78 | 0.201 | 
| 8 | 283 | Halomoan Edwin Binsar | 
                                         
                                        INA
                                     | 
                                    1:08.62 | 0.184 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 437 | Sokwakhana ZAZINI | 
                                         
                                        RSA
                                     | 
                                    49.63 Q | 0.199 | 
| 2 | 401 | Luis Elespuru | 
                                         
                                        PER
                                     | 
                                    53.57 Q | 0.168 | 
| 3 | 469 | Ting Hsuan Huang | 
                                         
                                        TPE
                                     | 
                                    53.74 | 0.208 | 
| 4 | 445 | Jahnaza Francis | 
                                         
                                        SKN
                                     | 
                                    54.67 | 0.201 | 
| 5 | 373 | Ruslem Zikry Putra Roseli | 
                                         
                                        MAS
                                     | 
                                    55.46 | 0.236 | 
| 6 | 364 | Oussama Hammi | 
                                         
                                        MAR
                                     | 
                                    55.80 | 0.258 | 
| 7 | 352 | Aleksandrs Kucs | 
                                         
                                        LAT
                                     | 
                                    56.22 | 0.218 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 150 | Alison DOS SANTOS | 
                                         
                                        BRA
                                     | 
                                    52.95 Q | 0.193 | 
| 2 | 247 | Fabien Laroppe | 
                                         
                                        FRA
                                     | 
                                    53.06 Q PB | 0.176 | 
| 3 | 162 | Chenggui Ding | 
                                         
                                        CHN
                                     | 
                                    54.02 | 0.223 | 
| 4 | 107 | Yacine Khedim | 
                                         
                                        ALG
                                     | 
                                    54.87 | 0.209 | 
| 5 | 511 | Andriy Vasylevskyy | 
                                         
                                        UKR
                                     | 
                                    55.10 | 0.198 | 
| 6 | 365 | Ismail Manyani | 
                                         
                                        MAR
                                     | 
                                    55.62 | 0.168 | 
| 341 | David Kisoto Saruni | 
                                         
                                        KEN
                                     | 
                                    DQ | 0.200 | |
| 206 | Filip Ličman | 
                                         
                                        CZE
                                     | 
                                    DNS |