| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 1 | Eleanor Simmonds | 25 | SB6 | Camden Swiss | 1:41.57 |
| 2 | 3 | Toni Shaw | 16 | SB9 | Aberdeen Per | 1:29.59 |
| 3 | 5 | Brock Whiston | 23 | SB8 | Bark & Dagen | 1:17.48 |
| 4 | 7 | Louise Fiddes | 18 | SB14 | Hatfield | 1:14.74 |
| 5 | 6 | Rebecca Redfern | 20 | SB13 | Worcester | 1:16.01 |
| 6 | 4 | Danielle Hartin | 17 | SB14 | Basildon Ph | 1:18.63 |
| 7 | 2 | Maisie Summers-Newton | 17 | SB6 | Northampton | 1:34.13 |