| Pos | Name | Age | Club | Time | Splits | |
|---|---|---|---|---|---|---|
| 1 | Dylan Thomas | 12 | Eyemouth | 1:27.14 | 43.24 | 1:27.14 |
| 2 | Euan Watt | 12 | Aquanauts Li | 1:28.97 | 43.23 | 1:28.97 |
| 3 | Alasdair Dunse | 12 | Livingston | 1:30.96 | 43.38 | 1:30.96 |
| 4 | Aidan Dickson | 13 | Livingston | 1:32.78 | 44.50 | 1:32.78 |
| 5 | Oliver Dickson | 13 | Livingston | 1:34.46 | 44.77 | 1:34.46 |
| 6 | Jamie Claxton | 12 | Heart Of Mid | 1:36.27 | 45.16 | 1:36.27 |