Heats (Declared Winners) Girls 12/13 Yrs 100m Freestyle
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Amelia Maugham | 12 | Dorset | 57.84 | | | 27.79 |
| 2. | Rachel Martin | 12 | Notts | 59.28 | | | 28.63 |
| 3. | Emily Jones | 13 | Scot North | 59.94 | | | 29.08 |
| 4. | Josie Williams | 13 | Cornwall | 1:00.33 | | | 29.18 |
| 5. | Holly Bateman | 13 | Norfolk | 1:00.47 | | | 29.37 |
| 6. | Shauna Lee | 13 | Bedfordshire | 1:01.51 | | | 29.43 |
| 7. | Maddy Tracy | 13 | Shropshire | 1:01.62 | | | 30.23 |
| 8. | Ellie Winter | 12 | Cambs | 1:01.74 | | | 29.83 |
| 9. | Mollie Temple | 13 | Lincolnshire | 1:02.05 | | | 29.77 |
| 10. | Charlotte Milligan | 13 | Northants | 1:02.07 | | | 30.33 |
| 11. | Bethan Tomlinson | 13 | Gloucs | 1:02.11 | | | 29.94 |
| 12. | Kirsten Mckinley | 13 | Scot West | 1:02.55 | | | 30.30 |
| 13. | Olivia Law | 13 | Ox & N Bucks | 1:02.72 | | | 30.56 |
| 14. | Laura Shears | 13 | Devon | 1:03.75 | | | 30.05 |
| 15. | Leah Cooper | 13 | North Wales | 1:03.83 | | | 30.48 |
| 16. | Anna Keble | 13 | Essex | 1:03.87 | | | 30.39 |
| 17. | Georgia Denny | 12 | Cumbria | 1:04.02 | | | 29.85 |
| 18. | Amy Camp | 13 | Worcs | 1:05.21 | | | 30.88 |
