Boys 16/17 Yrs 100m Breaststroke - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Archie Goodburn | (01) | Scot East | | 1:00.83 | | + 0.61 | 764 | | 28.43 |
| 2. | Kyle Booth | (01) | Swim Wales E | | 1:02.30 | | + 0.63 | 711 | | 29.72 |
| 3. | Andrew Macintosh | (01) | Scot West | | 1:03.21 | | + 0.68 | 680 | | 29.71 |
| 4. | Oliver Taverner | (01) | Devon | | 1:04.04 | | + 0.68 | 654 | | 30.92 |
| 5. | Tommy Donovan | (01) | Middlesex | | 1:04.67 | | + 0.66 | 635 | | 30.03 |
| 6. | William Bell | (02) | Leics | | 1:05.12 | | + 0.72 | 622 | | 30.64 |
| 7. | Thomas Leman | (02) | Kent | | 1:05.79 | | + 0.61 | 603 | | 30.80 |
| 7. | Jake Lambert | (01) | Yorkshire | | 1:05.79 | | + 0.74 | 603 | | 30.49 |
| 9. | Miles Drabwell | (01) | Ox & N Bucks | | 1:06.18 | | + 0.63 | 593 | | 31.00 |
| 10. | William Mitchell | (02) | Somerset | | 1:06.81 | | + 0.68 | 576 | | 31.15 |
| 11. | Charlie Trotman | (02) | Surrey | | 1:07.45 | | + 0.69 | 560 | | 31.70 |
| 11. | Finnian Trehane | (02) | Dorset | | 1:07.45 | | + 0.60 | 560 | | 32.13 |
| 13. | Timur Gulyiyen | (01) | Berks&SBucks | | 1:07.54 | | + 0.59 | 558 | | 31.99 |
| 14. | Jackson O'Rourke | (02) | Northants | | 1:07.62 | | + 0.76 | 556 | | 32.25 |
| 15. | Sean Barrett | (02) | Swim Wales W | | 1:08.21 | | + 0.69 | 541 | | 32.33 |
| 16. | Maxim De Wildt | (01) | Cambs | | 1:08.70 | | + 0.62 | 530 | | 32.24 |
| 17. | Samuel Bryan | (01) | Essex | | 1:09.21 | | + 0.64 | 518 | | 32.43 |
| 18. | Adam Hardy | (02) | Suffolk | | 1:09.47 | | + 0.78 | 512 | | 32.59 |
| 19. | Rio Quarry | (01) | Lancashire | | 1:09.69 | | + 0.73 | 508 | | 32.08 |
| 20. | William Beukenholdt | (01) | N & Durham | | 1:09.78 | | + 0.74 | 506 | | 32.04 |
