Womens 17/18 Yrs 100m Backstroke - Semi Final
Full Results
| Place | Name | AaD | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Natasha Hofton | 17 | Nova Cent'n | | 1:02.90 | | + 0.81 | 788 | | 30.59 |
| 2. | Karley Mann | 17 | Hillingdon | | 1:03.11 | | + 0.80 | 781 | | 31.07 |
| 3. | Sophie Smith | 17 | Co Leicester | | 1:03.65 | | + 0.81 | 761 | | 30.82 |
| 4. | Rebecca Cole | 17 | Co Birm'ham | | 1:04.37 | | + 0.74 | 736 | | 31.27 |
| 5. | Charlotte Bryan | 17 | Swansea Perf | | 1:04.88 | | + 0.73 | 718 | | 31.70 |
| 6. | Rebecca Pye | 17 | Plymouth Lea | | 1:05.15 | | + 0.75 | 709 | | 31.18 |
| 7. | Sophie Rittenhouse | 17 | Camden Swiss | | 1:05.16 | | + 0.86 | 709 | | 32.01 |
| 8. | Emma Saunders | 17 | Co Manch Aq | | 1:05.38 | | + 0.74 | 702 | | 31.81 |
| 9. | Rosie Hughes | 17 | Camden Swiss | | 1:05.43 | | + 0.90 | 700 | | 31.67 |
| 10. | Stephanie Reynolds | 17 | TauntonDeane | | 1:05.75 | | + 0.73 | 690 | | 31.60 |
| 11. | Eleanor Dolan | 17 | Amersham | | 1:06.04 | | + 0.90 | 681 | | 32.17 |
| 12. | Emma Cassidy | 17 | Connacht IRL | | 1:06.11 | | + 0.86 | 679 | | 31.64 |
| 13. | Stephanie Bremner | 17 | Plymouth Lea | | 1:06.37 | | + 0.79 | 671 | | 32.18 |
| 14. | Charlotte Milligan | 17 | Northampton | | 1:06.76 | | + 0.75 | 659 | | 33.08 |
| 15. | Charlotte Reid | 17 | Hatfield | | 1:06.79 | | + 0.70 | 658 | | 32.08 |
| 16. | Sophie Brown | 17 | Gloucester | | 1:07.07 | | + 0.79 | 650 | | 32.98 |
| 16. | Grace Lee | 17 | Hatfield | | 1:07.07 | | + 0.85 | 650 | | 31.99 |
| 18. | Flora Hanson | 17 | Hatfield | | 1:07.44 | | + 0.85 | 640 | | 32.57 |
| 19. | Leah Altoft | 17 | KingstonHull | | 1:07.75 | | + 0.70 | 631 | | 32.86 |
| | Lauren Quigley | 17 | Co Manch Aq | | DQ SH-1L | | | | | |
