| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Holly Buckworth | 8 | Guisborough | 24.96 |
| 3 | 4 | Jessica Lynch | 9 | Saltburn Mar | 22.97 |
| 4 | 3 | Elisha Rhodes | 8 | Saltburn Mar | 23.71 |
| 5 | 1 | Evie Harding | 8 | Thornaby | 27.78 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Elizabeth Smart | 10 | Eston | 19.69 |
| 2 | 8 | Eve Walton | 10 | Guisborough | 20.37 |
| 3 | 10 | Yasmin Marshall | 10 | Northall'ton | 16.83 |
| 4 | 9 | Isobelle Troop | 9 | Saltburn Mar | 18.99 |
| 5 | 7 | Rebecca Wilkin | 9 | Northall'ton | 19.33 |
| 6 | 5 | Louise Pettit | 10 | Guisborough | 23.75 |