Final Mens 16 Yrs/Under 400m IM
| Place | Name | AaD | Club | Time | GB Pts | | 50 | 100 | 150 | 200 |
| | | | | | | 250 | 300 | 350 | 400 |
| 1. | Jonathan QUINN | 15 | Hatfield | 4:32.48 | 830 | | 29.46 | 34.22 | 34.23 | 34.49 |
| | | | | | | 37.81 | 38.55 | 32.01 | 31.71 |
| 2. | Roberto PAVONI | 15 | Brentwood | 4:34.98 | 812 | | 29.23 | 33.73 | 35.37 | 34.53 |
| | | | | | | 38.89 | 40.46 | 32.08 | 30.69 |
| 3. | Thomas ROOTSEY | 16 | Colchester | 5:01.54 | 637 | | 31.85 | 36.49 | 38.93 | 39.15 |
| | | | | | | 44.97 | 45.24 | 33.36 | 31.55 |
| 4. | Lewis MATTIN | 16 | UEA Norwich | 5:04.75 | 618 | | 31.94 | 36.84 | 42.46 | 40.25 |
| | | | | | | 42.79 | 43.50 | 34.60 | 32.37 |
| 5. | Lewis KING | 15 | Hatfield | 5:08.67 | 597 | | 31.30 | 36.85 | 41.36 | 40.82 |
| | | | | | | 44.11 | 45.00 | 35.50 | 33.73 |
| 6. | Matthew ANTUNES | 16 | Luton | 5:10.22 | 588 | | 32.75 | 38.00 | 40.19 | 39.13 |
| | | | | | | 45.33 | 46.04 | 35.64 | 33.14 |