Mens Open 100m Breaststroke - Semi Final
Full Results
| Place | Name | YoB | Club | | Time | R.T. | FINA Pt | | 50 |
| 1. | Michael Jamieson | (88) | Edinburgh Un | | 1:00.66 | + 0.76 | 900 | | 28.70 |
| 2. | Kristopher Gilchrist | (83) | Edinburgh Un | | 1:01.14 | + 0.76 | 879 | | 28.72 |
| 3. | Andrew Willis | (90) | Bracknell | | 1:01.22 | + 0.67 | 876 | | 28.53 |
| 4. | Craig Benson | (94) | Warrender Ba | | 1:01.23 | + 0.69 | 875 | | 28.91 |
| 5. | Daniel Sliwinski | (90) | Preston | | 1:01.62 | + 0.68 | 859 | | 28.92 |
| 6. | Richard Webb | (87) | Swansea Perf | | 1:01.67 | + 0.72 | 857 | | 29.17 |
| 7. | Russell Smith | (91) | Stockport Mo | | 1:01.73 | + 0.64 | 854 | | 29.13 |
| 8. | James Broady | (91) | Loughboro Un | | 1:01.83 | + 0.78 | 850 | | 29.22 |
| 9. | Robert Holderness | (90) | Millfield | | 1:02.14 | + 0.65 | 837 | | 29.29 |
| 10. | Adam Peaty | (94) | Co Derby | | 1:02.72 | + 0.64 | 814 | | 29.14 |
| 11. | Zachary Hayden | (87) | USA | | 1:02.77 | + 0.73 | 812 | | 29.27 |
| 12. | Christopher Fox | (89) | Wolv'hampton | | 1:02.88 | + 0.74 | 808 | | 28.86 |
| 13. | Joseph Welstead | (90) | StirlingSwim | | 1:03.12 | + 0.68 | 799 | | 29.32 |
| 14. | Jamie Ross | (87) | StirlingSwim | | 1:03.37 | + 0.70 | 789 | | 29.73 |
| 15. | Xander Alari-Williams | (93) | Sevenoaks | | 1:03.61 | + 0.77 | 781 | | 29.68 |
| 16. | Paul Sutherland | (90) | Bath Univ | | 1:03.86 | + 0.63 | 771 | | 29.79 |
