| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info |
|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 182 | Jemma Thomson | Chiltern Harriers AC | N/A | 43.51 | G | |
| 2 | 2 | 184 | Amber Salkeld | Marshall Milton Keynes AC | N/A | 46.43 | S | |
| 3 | 6 | 792 | Erin Huddleston | Cookham running club | N/A | 46.84 | B | |
| 4 | 4 | 149 | Renae Hall | WPH | N/A | 46.96 | G | |
| 5 | 5 | 346 | Olivia Brown | WPH | N/A | 47.83 | ||
| DNS | 7 | 768 | Sally Walling | WPH | N/A |
