| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 1 | Christina Lewis | 87 | SM14 | East Midland | 3:39.98 |
| 2 | 3 | Sobia Walton | 96 | SM15 | Yorkshire | 3:06.00 |
| 3 | 5 | Reagan Doig | 98 | SM14 | Scotland | 2:54.28 |
| 4 | 7 | Lucy Walkup | 96 | SM15 | Scotland | 2:39.84 |
| 5 | 6 | Chloe Davies | 98 | SM14 | South West R | 2:40.27 |
| 6 | 4 | Nicole Lough | 95 | SM14 | North East | 2:57.75 |
| 7 | 2 | Polly Saines | 98 | SM15 | South East R | 3:32.83 |