Event 421 Boys 16 & Over 400 Metre Freestyle
| Name | Age | Club | Time | Splits
|
| 1 | Lewis Smith | 19 | Warrender | 3:54.22 | 27.86 | 57.36 | 1:27.19 | 1:57.29 |
| 2:25.81 | 2:55.13 | 3:24.77 | 3:54.22 |
| 2 | Iain J Scanlon | 17 | Dunedin | 4:02.06 | 28.25 | 58.62 | 1:28.65 | 1:59.15 |
| 2:29.34 | 3:00.35 | 3:31.58 | 4:02.06 |
| 3 | Alistair J Brown | 18 | Dunedin | 4:04.20 | 28.53 | 59.60 | 1:30.12 | 2:01.26 |
| 2:32.20 | 3:03.52 | 3:34.14 | 4:04.20 |
| 4 | Konstantinos Grammeno | 19 | Heart Of Mid | 4:04.59 | 29.08 | 59.96 | 1:31.41 | 2:02.74 |
| 2:33.59 | 3:04.68 | 3:35.30 | 4:04.59 |
| 5 | Ewan Johnston | 18 | Warrender | 4:08.70 | 27.24 | 56.70 | 1:26.69 | 1:57.33 |
| 2:30.32 | 3:03.49 | 3:35.90 | 4:08.70 |
| 6 | Craig Hamilton | 16 | Warrender | 4:09.17 | 28.28 | 59.84 | 1:32.10 | 2:04.51 |
| 2:36.54 | 3:08.71 | 3:39.64 | 4:09.17 |
| 7 | Callum F Shaw | 16 | Carnegie | 4:12.44 | 27.81 | 59.18 | 1:31.45 | 2:03.66 |
| 2:35.11 | 3:07.60 | 3:40.35 | 4:12.44 |
| 8 | Daniel Scott | 17 | Glenrothes | 4:15.50 | 27.87 | 59.61 | 1:32.49 | 2:05.75 |
| 2:38.24 | 3:11.66 | 3:44.20 | 4:15.50 |
| 9 | James Kitching | 16 | Aquanauts Li | 4:15.54 | 28.98 | 1:01.12 | 1:34.49 | 2:07.93 |
| 2:40.34 | 3:13.49 | 3:44.98 | 4:15.54 |
| 10 | Derek Hoey | 18 | Aquanauts Li | 4:30.53 | 29.93 | 1:03.36 | 1:38.00 | 2:12.67 |
| 2:47.31 | 3:22.06 | 3:56.94 | 4:30.53 |
| 11 | Andrew Aitchison | 16 | Aquanauts Li | 4:33.16 | 28.87 | 1:02.10 | 1:37.26 | 2:13.11 |
| 2:48.09 | 3:23.44 | 3:59.13 | 4:33.16 |
| 12 | Bruce Halloran | 16 | Haddington | 4:36.58 | 31.16 | 1:05.07 | 1:39.96 | 2:15.48 |
| 2:51.20 | 3:26.96 | 4:03.47 | 4:36.58 |
| 13 | Ryan Scott | 16 | Inverleith | 4:43.13 | 30.92 | 1:05.35 | 1:40.97 | 2:16.64 |
| 2:52.97 | 3:29.60 | 4:06.79 | 4:43.13 |
| 14 | Sean Fraser | 17 | Warrender | 4:45.25 | 31.34 | 1:07.04 | 1:44.43 | 2:21.49 |
| 2:57.24 | 3:32.84 | 4:09.30 | 4:45.25 |