| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3007 | Noah LYLES |  USA | 9.87 Q SB | 0.163 | 
| 2 | 2587 | Abdul Hakim SANI BROWN |  JPN | 9.97 Q =PB | 0.152 | 
| 3 | 2626 | Ferdinand OMANYALA |  KEN | 10.01 q | 0.147 | 
| 4 | 2338 | Eugene AMO-DADZIE |  GBR | 10.03 | 0.145 | 
| 5 | 2503 | Lamont Marcell JACOBS |  ITA | 10.05 SB | 0.144 | 
| 6 | 2559 | Rohan WATSON |  JAM | 10.07 | 0.143 | 
| 7 | 2776 | Dominik KOPEĆ |  POL | 10.15 | 0.141 | 
| 8 | 2720 | Usheoritse ITSEKIRI |  NGR | 10.19 | 0.160 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2978 | Christian COLEMAN |  USA | 9.88 Q SB | 0.135 | 
| 2 | 2350 | Zharnel HUGHES |  GBR | 9.93 Q | 0.124 | 
| 3 | 2540 | Ryiem FORDE |  JAM | 9.95 q PB | 0.160 | 
| 4 | 2645 | Emmanuel MATADI |  LBR | 10.04 | 0.168 | 
| 5 | 2724 | Seye OGUNLEWE |  NGR | 10.12 | 0.135 | 
| 6 | 2418 | Emanuel ARCHIBALD |  GUY | 10.13 PB | 0.168 | 
| 7 | 2600 | Hiroki YANAGITA |  JPN | 10.14 | 0.157 | 
| 2839 | Akani SIMBINE |  RSA | DQ | 0.078 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 2554 | Oblique SEVILLE |  JAM | 9.90 Q | 0.148 | |
| 2 | 2102 | Letsile TEBOGO |  BOT | 9.98 Q | 0.171 | |
| 3 | 2998 | Fred KERLEY |  USA | 10.02 | 0.159 | |
| 4 | 2034 | Rohan BROWNING |  AUS | 10.11 | 0.132 | |
| 5 | 2700 | Raphael BOUJU |  NED | 10.20 | .194 | 0.153 | 
| 6 | 2897 | Henrik LARSSON |  SWE | 10.20 | .198 | 0.138 | 
| 7 | 2155 | Brendon RODNEY |  CAN | 10.25 | 0.151 | |
| 8 | 2357 | Reece PRESCOD |  GBR | 10.26 | 0.135 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second