| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 1 | Tegan Davidson | 13 | S6 | Huntly | 1:14.00 |
| 2 | 3 | Ellie Spokes | 16 | S6 | Radford | 1:01.45 |
| 3 | 5 | Charlotte McGuinness | 18 | S6 | Harrogate | 54.31 |
| 4 | 7 | Eleanor Robinson | 18 | S6 | Northampton | 35.61 |
| 5 | 6 | Leah O'Connell | 17 | S7 | Camden Swiss | 38.41 |
| 6 | 4 | Ellie Challis | 15 | S3 | Colchester P | 58.30 |
| 7 | 2 | Elizabeth Foster | 15 | S7 | Havant & Wat | 1:08.32 |