Semifinal 3
mercredi 8 août 2018, 19h44 GMT – 19h44 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Karsten Warholm | Norway | 44.91″ |
| 2 | Luka Janezic | Slovenia | + 0.02″ |
| 3 |  Kevin Borlée | Belgium | + 0.16″ |
| 4 |  Liemarvin Bonevacia | Netherlands | + 0.48″ |
| 5 | Donald Blair-Sanford | Israel | + 0.77″ |
| 6 | Martyn Rooney | Great Britain | + 0.82″ |
| 7 | Samuel García | Spain | + 0.96″ |
| 8 | Vitaliy Butrym | Ukraine | + 1.1″ |