| Name | Age | Club | Time | Splits | ||
| 1 | Callum Shaw | 16 | Carnegie | 1:02.77 | 31.42 | 1:02.77 |
| 2 | Andrew Haslett | 17 | Warrender | 1:03.46 | 31.35 | 1:03.46 |
| 3 | Ieuan Lloyd | 14 | Co Cardiff | 1:04.70 | 31.53 | 1:04.70 |
| 4 | Jack Willis | 17 | Co Bangor | 1:06.23 | 32.35 | 1:06.23 |
| 5 | Rhodri Davies | 15 | SwimSwansea | 1:06.64 | 32.08 | 1:06.64 |
| 6 | Andrew Brown | 19 | Warrender | 1:06.69 | 32.25 | 1:06.69 |
| 7 | James Kitching | 16 | Aquanauts Li | 1:07.04 | 32.84 | 1:07.04 |
| 8 | Jordan Taylor | 18 | Heart Of Mid | 1:09.48 | 33.92 | 1:09.48 |