Heat 3
mardi 7 août 2018, 10h49 GMT – 10h49 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Dylan Borlee | Belgium | 45.84″ |
| 2 |  Robert Parge | Romania | + 0.15″ |
| 3 | Martyn Rooney | Great Britain | + 0.43″ |
| 4 | Oleksiy Pozdnyakov | Ukraine | + 0.63″ |
| 5 |  Patrik Sorm | Czech Republic | + 0.68″ |
| 6 | Johannes Trefz | Germany | + 0.69″ |
| 7 | Tony Nõu | Estonia | + 1.35″ |
| 8 | Joel Burgunder | Switzerland | + 2.94″ |