Final
jeudi 10 août 2017, 22h50 GMT – 22h50 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Ramil Guliyev | Turkey | 20.09″ |
| 2 |  Wayde Van Niekerk | South Africa | + 0.02″ |
| 3 |  Jereem Richards | Trinidad & Tobago | + 0.02″ |
| 4 |  Nethaneel Mitchell-Blake | Great Britain | + 0.15″ |
| 5 |  Ameer Webb | United States | + 0.17″ |
| 6 |  Isaac Makwala | Botswana | + 0.35″ |
| 7 |  Abdul hakim Sani brown | Japan | + 0.54″ |
| 8 | Isiah Young | United States | + 0.55″ |