Girls 16/17 Yrs 100m Freestyle - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Athena Clayson | (01) | Devon | | 55.99 | | + 0.69 | | | 27.43 |
| 2. | Macy Lawrence | (02) | Essex | | 56.53 | | + 0.71 | | | 27.32 |
| 3. | Katie Robertson | (01) | Scot West | | 56.61 | | + 0.68 | | | 27.26 |
| 4. | Medi Harris | (02) | Swim Wales W | | 56.86 | | + 0.78 | | | 27.52 |
| 5. | Maisie Macartney | (01) | Kent | | 56.93 | | + 0.66 | | | 27.83 |
| 6. | Jemima Hall | (01) | Berks&SBucks | | 57.02 | | + 0.68 | | | 27.54 |
| 7. | Anna Podurgiel | (02) | Middlesex | | 57.05 | | + 0.70 | | | 27.40 |
| 8. | Emily Large | (01) | N & Durham | | 57.09 | | + 0.67 | | | 27.84 |
| 9. | Amy Davies | (02) | Surrey | | 57.13 | | + 0.66 | | | 27.70 |
| 10. | Jasmine McCrea | (01) | Dorset | | 57.42 | | + 0.74 | | | 27.55 |
| 11. | Emily Peck | (01) | Lancashire | | 57.74 | | + 0.66 | | | 27.47 |
| 12. | Ellie Walker | (01) | Yorkshire | | 57.79 | | + 0.67 | | | 27.48 |
| 13. | Elena Morgan | (02) | Swim Wales E | | 57.88 | | + 0.64 | | | 27.96 |
| 14. | Roisin Ramsay | (01) | Scot East | | 58.25 | | + 0.75 | | | 28.30 |
| 15. | Jessica Podger | (01) | Somerset | | 58.37 | | + 0.78 | | | 28.41 |
| 16. | Mia Maspers | (02) | Suffolk | | 58.66 | | + 0.67 | | | 28.23 |
| 17. | Mackenzie Whyatt | (02) | Cambs | | 58.67 | | + 0.69 | | | 28.10 |
| 18. | Ciara Usher | (02) | Northants | | 59.52 | | + 0.73 | | | 28.77 |
| 19. | Aiyana Lawson | (01) | Ox & N Bucks | | 1:01.49 | | + 0.76 | | | 29.29 |
| 20. | Lucy Sharp | (01) | Leics | | 1:02.58 | | + 0.88 | | | 29.80 |
