Heat 8
mardi 23 juillet 2019, 03h00 GMT – 03h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Adam Peaty | Great Britain | 26.28″ |
| 2 |  Ilya Shymanovich | Belarus | + 0.59″ |
| 3 |  Zibei Yan | China | + 0.65″ |
| 4 |  Darragh Greene | Ireland | + 0.66″ |
| 5 |  Nicolò Martinenghi | Italy | + 0.72″ |
| 6 | Nikola Obrovac | Croatia | + 0.99″ |
| 7 | Dmitriy Balandin | Kazakhstan | + 1.08″ |
| 8 | Lizhuo Wang | China | + 1.11″ |
| 9 | Peter John Stevens | Slovenia | + 1.22″ |
 Andrew Wilson | United States | DNF |