| Fastest Heat - 8 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 69 | Michaella Glenister | 16 | Leic Sharks | : . |
| 1 | 71 | Alisha Hawkins | 17 | Stockport Mo | : . |
| 2 | 73 | Niamh Hofland | 16 | Royal Wolv | : . |
| 3 | 75 | Leah Crisp | 17 | Co Leeds | : . |
| 4 | 77 | Polly Holden | 19 | Nova Cent'n | : . |
| 5 | 76 | Emily Clarke | 21 | Loughboro Un | : . |
| 6 | 74 | Maisie Macartney | 17 | Thanet Swim | : . |
| 7 | 72 | Georgia Darwent | 20 | Newcastle | : . |
| 8 | 70 | Nicole Ryan | 20 | Co Oxford | : . |
| 9 | 68 | Mollie Wright | 20 | Nova Cent'n | : . |