| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info |
|---|---|---|---|---|---|---|---|---|
| 1 | 6 | 384 | Olivia Edwards | WPH | N/A | 21.85 | Q | |
| 2 | 2 | 304 | Ffion Mabey | Vale of Aylesbury | N/A | 21.87 | Q | |
| 3 | 5 | 176 | Olivia Carter | Cookham Running Club | N/A | 22.33 | q | |
| 4 | 8 | 422 | Isabel Martin | Chiltern Harriers AC | N/A | 23.11 | ||
| 5 | 7 | 145 | Lucy Cuthbert | Vale of Aylesbury | N/A | 24.34 | ||
| 6 | 4 | 108 | Paige Robinson | Chiltern Harriers AC | N/A | 25.49 | ||
| 7 | 3 | 769 | Emma Readman | Chiltern Harriers AC | N/A | 25.50 |
