Heats
samedi 20 juillet 2019, 16h50 GMT – 16h50 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Zharnel Hughes | Great Britain | 9.96″ |
| 2 |  Akani Simbine | South Africa | + 0.05″ |
| 3 |  Andre De Grasse | Canada | + 0.09″ |
| 4 |  Yohan Blake | Jamaica | + 0.1″ |
| 5 |  Adam Gemili | Great Britain | + 0.11″ |
| 6 |  Yuki Koike | Japan | + 0.13″ |
| 7 | Cejhae Greene | Antigua and Barbuda | + 0.18″ |
| 8 | Yoshihide Kiryu | Japan | + 0.2″ |
| 9 | Arthur Cissé | Ivory Coast | + 0.21″ |
| 10 |  Tyquendo Tracey | Jamaica | + 0.22″ |
| 11 | Chijindu Ujah | Great Britain | + 0.23″ |
| 12 | Harry Aikines-Aryeetey | Great Britain | + 0.32″ |
| 13 | Richard Kilty | Great Britain | + 0.32″ |
| 14 | Andy Robertson | Great Britain | + 0.32″ |
| 15 | Julian Forte | Jamaica | + 0.37″ |
| 16 | Oliver Bromby | Great Britain | + 0.42″ |
| 17 | James Ellington | Great Britain | + 0.97″ |
| Ojie Edoburun | Great Britain | DQ |