Boys 16/17 Yrs 100m Butterfly - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | R.T. | FINA Pt | | 50 |
| 1. | Jamie Thorpe | (92) | Leics | | 54.95 | | 745 | | 25.38 |
| 2. | Sam Schootbrugge | (93) | Notts | | 55.16 | | 736 | | 26.37 |
| 3. | Dan Wallace | (93) | Scot East | | 56.47 | | 686 | | 27.41 |
| 4. | Lewis Smith | (93) | Swim Wales E | | 58.05 | | 632 | | 27.13 |
| 5. | Liam Knight | (94) | Cambs | | 58.38 | | 621 | | 27.43 |
| 6. | Marc Roost | (93) | Gloucs | | 58.74 | | 610 | | 27.75 |
| 7. | David (Josh) Hanbury | (93) | Swim Wales W | | 58.77 | | 609 | | 28.70 |
| 8. | Adam Rowe | (93) | Staffs | | 59.16 | | 597 | | 27.76 |
| 9. | Philip Hewitt | (94) | Warwicks | | 59.22 | | 595 | | 27.66 |
| 10. | Mathew Charnley | (93) | Scot Midland | | 59.60 | | 584 | | 28.24 |
| 11. | Daniel Smith | (93) | Norfolk | | 1:00.08 | | 570 | | 28.04 |
| 12. | Liam Herbert | (93) | Wiltshire | | 1:00.63 | | 554 | | 29.07 |
| 13. | Jack Burnell | (93) | Lincolnshire | | 1:00.94 | | 546 | | 28.40 |
| 14. | Joe Elwood | (93) | Cumbria | | 1:01.08 | | 542 | | 27.81 |
| 15. | Nathan Harkin | (94) | Ox & N Bucks | | 1:01.49 | | 532 | | 29.15 |
| 16. | Ben Green | (93) | Northants | | 1:01.77 | | 524 | | 28.43 |
| 17. | Samuel Briggs | (93) | Bedfordshire | | 1:02.54 | | 505 | | 28.58 |
| 18. | Thomas Morcom | (93) | Cornwall | | 1:03.41 | | 485 | | 28.81 |
| 19. | Thomas Plows | (94) | Shropshire | | 1:04.65 | | 457 | | 29.88 |
