Semi Final Mens Open 100m Butterfly
| Place | Name | AaD | Club | Time | GB Pts | | 50 |
| 1. | Michael ROCK | 20 | Stockport Mo | 53.24 | 934 | | 25.20 |
| 2. | Matthew BOWE | 24 | Swansea Perf | 53.88 | 908 | | 24.89 |
| 3. | Andrew MAYOR | 21 | Co Newcastle | 54.19 | 896 | | 25.43 |
| 4. | Ian HULME | 23 | Swansea Perf | 54.33 | 890 | | 24.76 |
| 5. | Benjamin HOCKIN | 20 | Swansea Perf | 54.61 | 879 | | 25.38 |
| 6. | Joseph ROEBUCK | 22 | Loughboro Un | 54.81 | 871 | | 25.89 |
| 7. | James DOOLAN | 17 | Co Salford | 55.76 | 835 | | 25.81 |
| 8. | James STEWART | 28 | Sutton Cheam | 55.84 | 832 | | 25.67 |
| 9. | Ryan TANCOCK | 24 | Exeter City | 55.94 | 829 | | 25.84 |
| 10. | Peter THOMPSON | 17 | Middlesboro | 55.98 | 827 | | 26.41 |
| 11. | Anthony JAMES | 17 | Plymouth Lea | 56.09 | 823 | | 26.04 |
| 12. | Oliver JAMES | 20 | Bath Univ | 56.20 | 819 | | 26.57 |
| 13. | Thomas HOLLINGSWORTH | 19 | UEA Norwich | 56.62 | 804 | | 26.70 |
| 14. | Scott HOUSTON | 19 | StirlingSwim | 56.71 | 801 | | 26.45 |
| 15. | Martin COX | 18 | Nova Cent'n | 56.86 | 795 | | 26.88 |
| 16. | Thomas HENLEY | 19 | StirlingSwim | 57.07 | 788 | | 26.36 |
| 17. | Simon LE COUILLIARD | 20 | Stockport Mo | 57.20 | 783 | | 27.11 |
| 18. | Adam BROWN | 18 | Hatfield | 57.23 | 782 | | 26.66 |
| 19. | Joshua KER | 22 | Loughboro Un | 57.31 | 780 | | 26.89 |
| 20. | Adam MALLETT | 17 | Lincoln Vulc | 58.30 | 746 | | 27.51 |
