| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Chloe Richardson | 11 | Northampton | 1:54.80 |
| 3 | 5 | Vanessa Meger | 12 | Corby | 1:32.40 |
| 4 | 9 | Sophie Rees | 11 | Northampton | 1:22.95 |
| 5 | 7 | Amber Muir | 12 | Rushden | 1:30.44 |
| 6 | 3 | Annabelle Lucas | 11 | Northampton | 1:47.06 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Savannah Koriya | 11 | Northampton | 1:52.10 |
| 3 | 6 | Daria Bielawski | 12 | Northampton | 1:32.40 |
| 4 | 10 | Milly Webb | 12 | Northampton | 1:21.80 |
| 5 | 8 | Olivia Fern | 12 | Northampton | 1:27.70 |
| 6 | 4 | A Westhead-Newell | 12 | Daventry | 1:38.00 |