Heat 3
Friday, August 4, 2017, 09:20pm GMT – 09:20pm GMT
| Name | Team | Times | |
|---|---|---|---|
| 1 |  Julian Forte | Jamaica | 9.99″ |
| 2 |  Ben Youssef Meité | Ivory Coast | + 0.03″ |
| 3 |  Reece Prescod | Great Britain | + 0.04″ |
| 4 |  Akani Simbine | South Africa | + 0.16″ |
| 5 |  Alex Wilson | Switzerland | + 0.25″ |
| 6 | Mario Burke | Barbados | + 0.43″ |
| 7 | Saaid Hassan | Maldives | + 0.46″ |
 Andre De Grasse | Canada | DNS |