Semi Final Mens 15/16 Yrs 100m Butterfly
| Place | Name | AaD | Club | Time | FINA Pt | | 50 |
| 1. | Cameron Brodie | 15 | Kelly Coll | 56.97 | 749 | | 27.08 |
| 2. | Callum Hillicks | 16 | Crawley | 56.98 | 748 | | 26.04 |
| 3. | Thomas Kennedy | 16 | Haslemere | 57.21 | 739 | | 26.95 |
| 4. | Braxston Timm | 16 | Co Sheffield | 57.47 | 729 | | 26.92 |
| 5. | Dale Curtis | 16 | Stockport Mo | 57.54 | 727 | | 26.98 |
| 6. | Adam Barrett | 16 | Reading | 57.72 | 720 | | 27.27 |
| 7. | Oliver Schmid | 16 | Co Newcastle | 57.94 | 712 | | 26.96 |
| 8. | Harry Needs | 16 | Camden Swiss | 58.03 | 708 | | 26.82 |
| 9. | Christopher Campbell | 16 | Ferndown | 58.09 | 706 | | 27.20 |
| 10. | Myles Crouch-Anderson | 15 | Northampton | 58.52 | 691 | | 28.39 |
| 11. | Daniel Jones | 15 | Plymouth Lea | 59.14 | 669 | | 27.56 |
| 12. | Ryan Walsh | 15 | Derwentside | 59.36 | 662 | | 28.02 |
| 13. | Joseph French | 15 | Harrogate | 59.41 | 660 | | 27.95 |
| 14. | George Harrington | 16 | Oldham Aqua | 59.46 | 658 | | 28.28 |
| 15. | Michael Oram | 16 | Bath Univ | 1:00.33 | 630 | | 28.60 |
| 16. | Martin Bleaken | 15 | Bath Univ | 1:00.52 | 624 | | 28.67 |
| 17. | Lewis Coleman | 16 | Team Ipswich | 1:01.56 | 593 | | 28.70 |
