| Name | Age | Club | Time | Splits | ||
| 1 | Andrew Jack | 14 | Livingston | 1:23.40 | 38.44 | 1:23.40 |
| 2 | Cameron Atkinson | 14 | Grangemouth | 1:24.62 | 39.07 | 1:24.62 |
| 3 | Jordan Davidson | 13 | Aquanauts Li | 1:25.35 | 38.98 | 1:25.35 |
| 4 | Josh Wilson | 13 | Trojan | 1:26.33 | 37.50 | 1:26.33 |
| 5 | Liam Hiddleston | 14 | Livingston | 1:27.47 | 39.47 | 1:27.47 |
| -- | Henry Mackenzie | 13 | Warrender | DQ | ||