| Pos | Name | Age | Club | Time | Splits | |
|---|---|---|---|---|---|---|
| 1 | Rory Vickerstaff | 15 | Portobello | 1:12.40 | 35.92 | 1:12.40 |
| 2 | Archie Vickerstaff | 15 | Portobello | 1:13.34 | 36.34 | 1:13.34 |
| 3 | Rory Campbell | 14 | Portobello | 1:15.03 | 36.99 | 1:15.03 |
| 4 | Michael Harrison | 15 | Aquanauts Li | 1:15.47 | 36.63 | 1:15.47 |
| 5 | Jason English | 13 | Warrender Ba | 1:17.58 | 39.03 | 1:17.58 |
| 6 | Fergus Miller | 13 | Tranent | 1:19.59 | 38.49 | 1:19.59 |