EVENT 109 Girls 12/13 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Libby Evans | 13 | Northants | 1:04.14 |
| 1 | 4 | Harriet Oxley | 13 | Leics | 1:03.64 |
| 2 | 6 | Sophie Govan | 13 | Ox & N Bucks | 1:02.65 |
| 3 | 8 | Michaela Taiwo | 13 | Suffolk | 1:02.35 |
| 4 | 10 | Holly Barden | 13 | Lancashire | 1:02.07 |
| 5 | 9 | Lara Turner | 13 | Somerset | 1:02.17 |
| 6 | 7 | Josephine Klein | 13 | Devon | 1:02.39 |
| 7 | 5 | Daisy Moxham | 13 | Cambs | 1:02.71 |
| 8 | 3 | Thea Ballinger-Finch | 12 | Middlesex | 1:03.76 |
| 9 | 1 | Molly Goddard | 13 | Dorset | 1:04.35 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Jenna Cole | 13 | Scot West | 1:01.62 |
| 1 | 14 | Millie Foster | 13 | N & Durham | 1:01.15 |
| 2 | 16 | Kiera Heney | 13 | Surrey | 1:00.86 |
| 3 | 18 | Jessica Dickinson | 13 | Swim Wales W | 1:00.40 |
| 4 | 20 | Hermione Roe | 13 | Yorkshire | 59.16 |
| 5 | 19 | Erin Little | 13 | Essex | 59.49 |
| 6 | 17 | Caitlin Ebbage | 13 | Kent | 1:00.62 |
| 7 | 15 | Merissa Booth | 13 | Berks&SBucks | 1:00.96 |
| 8 | 13 | Drew Nelly McKenzie | 13 | Scot East | 1:01.59 |
| 9 | 11 | Isabel Joseph | 13 | Swim Wales E | 1:01.91 |