Girls 12/13 Yrs 100m Freestyle - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | R.T. | FINA Pt | | 50 |
| 1. | Siwan Thomas-Howells | (97) | Swim Wales W | | 58.11 | | 725 | | 28.35 |
| 2. | Harriet Cooper | (97) | Leics | | 58.87 | | 697 | | 28.43 |
| 3. | Jessica Jackson | (97) | Bedfordshire | | 1:00.16 | | 653 | | 28.89 |
| 4. | Lucy Hope | (97) | Scot East | | 1:00.53 | | 641 | | 29.50 |
| 5. | Elizabeth Oliver | (97) | Ox & N Bucks | | 1:01.14 | | 622 | | 29.46 |
| 6. | Lucy McKenzie | (97) | Cumbria | | 1:01.39 | | 615 | | 29.83 |
| 7. | Alexandra Harris | (97) | Shropshire | | 1:02.07 | | 595 | | 30.04 |
| 8. | Georgie Wilks | (97) | Northants | | 1:02.39 | | 586 | | 30.29 |
| 9. | Lucy Castle | (97) | Warwicks | | 1:02.71 | | 577 | | 29.96 |
| 10. | Alison Haworth | (97) | Lincolnshire | | 1:02.91 | | 571 | | 30.77 |
| 11. | Courtney Lee Reid | (96) | Cornwall | | 1:03.26 | | 562 | | 30.24 |
| 12. | Isobel Page | (97) | Norfolk | | 1:03.28 | | 561 | | 30.78 |
| 13. | Louise Hamer | (97) | Notts | | 1:03.40 | | 558 | | 30.39 |
| 14. | Holly Whitton | (96) | Gloucs | | 1:03.48 | | 556 | | 30.01 |
| 15. | Jessie A Foster | (98) | Wiltshire | | 1:04.07 | | 541 | | 31.00 |
| 16. | Eve Winter | (97) | Scot Midland | | 1:05.34 | | 510 | | 31.52 |
| 17. | Lauren Williamson | (97) | Swim Wales E | | 1:05.91 | | 497 | | 31.13 |
| 18. | Natasha Holland | (96) | Staffs | | 1:06.43 | | 485 | | 31.67 |
| 19. | Hannah Brigham | (97) | Cambs | | 1:07.43 | | 464 | | 32.16 |
