Girls 16/17 Yrs 100m Butterfly - Heats (Declared Winners)
Full Results
| Place | Name | AaD | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Megan Allison | 17 | Swim Wales E | | 1:01.75 | | | 691 | | 29.22 |
| 2. | Betsy Wizard | 16 | Northants | | 1:01.79 | | | 690 | | 28.93 |
| 3. | Yvonne Brown | 17 | Scot West | | 1:02.19 | | | 677 | | 29.29 |
| 4. | Lottie Wynne-Jones | 16 | Ox & N Bucks | | 1:02.81 | | | 657 | | 29.36 |
| 5. | Lauren Brantley | 17 | Middlesex | | 1:02.93 | | | 653 | | 29.44 |
| 6. | Pia Murray | 17 | Lancashire | | 1:03.26 | | | 643 | | 30.76 |
| 7. | Ellie Turner | 16 | Scot East | | 1:03.50 | | + 0.72 | 636 | | 29.65 |
| 8. | Amy Corcoran | 17 | Yorkshire | | 1:03.66 | | | 631 | | 29.48 |
| 9. | Imogen Meers | 17 | Kent | | 1:03.68 | | | 630 | | 29.68 |
| 10. | Natasha Utley | 17 | Notts | | 1:04.83 | | + 0.75 | 597 | | 30.56 |
| 11. | Sophie Yendell | 17 | Derbyshire | | 1:04.91 | | + 0.73 | 595 | | 29.77 |
| 12. | Rachel Cornford | 16 | Berks&SBucks | | 1:04.94 | | + 0.77 | 594 | | 30.16 |
| 13. | Melody Jones | 16 | N & Durham | | 1:05.01 | | | 592 | | 29.99 |
| 14. | Abigail Stemp | 16 | Surrey | | 1:05.15 | | | 588 | | 30.05 |
| 15. | Georgia Pease | 17 | Essex | | 1:05.70 | | + 0.76 | 574 | | 30.47 |
| 16. | Caoimhe Quinn | 17 | Devon | | 1:05.78 | | + 0.73 | 572 | | 31.26 |
| 17. | Rebecca Gooch | 17 | Somerset | | 1:06.41 | | | 556 | | 31.18 |
| 18. | Jessica McDonough | 17 | Cheshire | | 1:06.67 | | | 549 | | 31.23 |
| 19. | Anna Smail | 17 | Shropshire | | 1:07.56 | | + 0.71 | 528 | | 30.94 |
| | Charlotte Walker | 17 | Suffolk | | DQ | | | | | |
