Boys 16/17 Yrs 100m Freestyle - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Sam Dailley | (01) | Devon | | 51.44 | | + 0.59 | | | 24.55 |
| 2. | Jonathan Milner | (01) | Yorkshire | | 51.52 | | + 0.69 | | | 24.81 |
| 3. | William Bell | (02) | Leics | | 51.72 | | + 0.71 | | | 24.99 |
| 4. | Huw Williams | (02) | Somerset | | 51.82 | | + 0.68 | | | 24.83 |
| 5. | Greg Fairbairn | (02) | Scot West | | 52.37 | | + 0.65 | | | 25.02 |
| 6. | Anton Akopian | (01) | Middlesex | | 52.51 | | + 0.67 | | | 24.82 |
| 7. | Sonny Kennedy | (01) | Scot East | | 52.56 | | + 0.71 | | | 25.15 |
| 8. | Jake Moxham | (02) | Cambs | | 52.63 | | + 0.79 | | | 25.22 |
| 9. | Miles Drabwell | (01) | Ox & N Bucks | | 52.76 | | + 0.63 | | | 25.31 |
| 10. | Matthew Ferguson | (01) | Surrey | | 52.88 | | + 0.68 | | | 25.05 |
| 11. | Louis Mitchell | (01) | Northants | | 52.89 | | + 0.72 | | | 25.17 |
| 12. | Joshua Smith | (01) | Essex | | 53.02 | | + 0.71 | | | 25.21 |
| 13. | Nathaniel Rodrigues | (02) | Kent | | 53.04 | | + 0.63 | | | 25.54 |
| 14. | Scott Provan | (01) | Lancashire | | 53.34 | | + 0.77 | | | 25.77 |
| 15. | Sam Perkins | (02) | Suffolk | | 53.37 | | + 0.67 | | | 25.57 |
| 16. | Will Morris | (02) | N & Durham | | 53.43 | | + 0.64 | | | 25.41 |
| 17. | Kameron Clarke | (02) | Swim Wales E | | 53.45 | | + 0.72 | | | 25.79 |
| 18. | Benjamin Samuel | (01) | Dorset | | 53.64 | | + 0.64 | | | 25.03 |
| 19. | Ethan Taylor | (01) | Swim Wales W | | 54.24 | | + 0.72 | | | 26.05 |
| 20. | James McClenn | (02) | Berks&SBucks | | 54.47 | | + 0.70 | | | 25.88 |
