| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 3 | Ava STEANS | 13 | Hinckley | 20:48.12 |
| 2 | 6 | Francesca HARRISON | 14 | Braunstone | 19:40.26 |
| 3 | 8 | Elizabeth PALFREY | 15 | Loughborough | 19:15.04 |
| 4 | 10 | Sophie STATHAM-GILL | 14 | Coalville | 19:08.79 |
| 5 | 9 | Francesca PALFREY | 17 | Loughborough | 19:09.80 |
| 6 | 7 | Janie FINCH | 13 | Hinckley | 19:17.08 |
| 7 | 4 | Sarah DEW | 16 | OadbyWigston | 20:07.05 |
| 8 | 2 | Eleanor TRAHEARN | 14 | Hinckley | 20:49.38 |