| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1876 | Christian COLEMAN |  USA | 9.88 Q | 0.157 | 
| 2 | 397 | Aaron BROWN |  CAN | 10.12 Q | 0.161 | 
| 3 | 827 | Adam GEMILI |  GBR | 10.13 | 0.159 | 
| 4 | 325 | Paulo André CAMILO |  BRA | 10.14 | 0.156 | 
| 5 | 1227 | Abdul Hakim SANI BROWN |  JPN | 10.15 | 0.206 | 
| 6 | 1424 | Taymir BURNET |  NED | 10.18 | 0.156 | 
| 7 | 1103 | Lamont Marcell JACOBS |  ITA | 10.20 | 0.180 | 
| 8 | 468 | Bingtian SU |  CHN | 10.23 | 0.189 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 400 | Andre DE GRASSE |  CAN | 10.07 Q | 0.197 | |
| 2 | 1153 | Yohan BLAKE |  JAM | 10.09 Q | .086 | 0.171 | 
| 3 | 1887 | Justin GATLIN |  USA | 10.09 q | .087 | 0.198 | 
| 4 | 475 | Zhenye XIE |  CHN | 10.14 | 0.188 | |
| 5 | 1454 | Raymond EKEVWO |  NGR | 10.20 | 0.240 | |
| 6 | 825 | Ojie EDOBURUN |  GBR | 10.22 | 0.133 | |
| 7 | 1225 | Yuki KOIKE |  JPN | 10.28 | .272 | 0.185 | 
| 8 | 1352 | Emmanuel MATADI |  LBR | 10.28 | .274 | 0.175 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 1639 | Akani SIMBINE |  RSA | 10.01 Q | 0.132 | |
| 2 | 841 | Zharnel HUGHES |  GBR | 10.05 Q | 0.113 | |
| 3 | 1106 | Filippo TORTU |  ITA | 10.11 q | .101 | 0.217 | 
| 4 | 1168 | Tyquendo TRACEY |  JAM | 10.11 | .102 | 0.143 | 
| 5 | 1926 | Michael RODGERS |  USA | 10.12 | 0.153 | |
| 6 | 1224 | Yoshihide KIRYU |  JPN | 10.16 | .151 | 0.125 | 
| 7 | 775 | Jimmy VICAUT |  FRA | 10.16 | .153 | 0.184 | 
| 8 | 522 | Arthur CISSÉ |  CIV | 10.34 | 0.175 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second