| Name | Age | Club | Time | Splits | ||
| 1 | Daniel Brown | 15 | Tenby | 1:12.09 | 33.77 | 1:12.09 |
| 2 | Jordan Taylor | 18 | Heart Of Mid | 1:12.82 | 33.97 | 1:12.82 |
| 3 | Steffan Williams | 16 | Oswestry Ott | 1:13.82 | 35.45 | 1:13.82 |
| 4 | Andrew Benson | 18 | Livingston | 1:15.24 | 35.05 | 1:15.24 |
| 5 | Ieuan Lloyd | 14 | Co Cardiff | 1:15.26 | 35.96 | 1:15.26 |
| 6 | Andrew Aitchison | 16 | Aquanauts Li | 1:15.37 | 35.91 | 1:15.37 |
| 7 | Owen Thomas | 15 | Co Cardiff | 1:15.96 | 35.47 | 1:15.96 |
| 8 | Robbie Purvis | 15 | Warrender | 1:16.36 | 36.14 | 1:16.36 |