Heat 8
lundi 24 juillet 2017, 10h27 GMT – 10h27 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Yang Sun | China | 1′ 45.78″ |
| 2 | James Guy | Great Britain | + 0.44″ |
| 3 |  Kacper Majchrzak | Poland | + 0.8″ |
| 4 | Duncan Scott | Great Britain | + 0.84″ |
| 5 | Naito Ehara | Japan | + 1.53″ |
| 6 | Matias Koski | Finland | + 1.97″ |
| 7 | Matthew Stanley | New Zealand | + 2.24″ |
| 8 |  Pieter Timmers | Belgium | + 2.35″ |
| 9 |  Alexander Graham | Australia | + 2.89″ |
| 10 |  Shun Wang | China | + 4.11″ |