Final
samedi 4 août 2018, 18h13 GMT – 18h13 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Adam Peaty | Great Britain | 57.1″ |
| 2 | James Wilby | Great Britain | + 1.54″ |
| 3 | Anton Chupkov | Russia | + 1.96″ |
| 4 | Kirill Prigoda | Russia | + 2.1″ |
| 5 | Fabio Scozzoli | Italy | + 2.51″ |
| 6 |  Andrius Šidlauskas | Lithuania | + 2.52″ |
| 7 |  Arno Kamminga | Netherlands | + 2.59″ |
| 8 | Caba Siladji | Serbia | + 3.05″ |