| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | 288 | Lizzie Garner | Marshall Milton Keynes A.C. | U15 | 45.90 | |||
| 2 | 4 | 37 | Precious Asemota | Be Fit Today Track Academy | U15 | 46.19 | |||
| 3 | 3 | 379 | Olive Harvey-dew | Shaftesbury Barnet Harriers | U15 | 47.82 | |||
| 4 | 6 | 82 | Cara Gould | Blackheath and Bromley Harriers A.C. | U15 | 48.37 | |||
| 5 | 5 | 235 | Charlotte Hosp | Holland Sports A.C. | U15 | 48.70 | |||
| 6 | 7 | 83 | Amie Gould | Blackheath and Bromley Harriers A.C. | U15 | 49.85 | |||
| 1 | 442 | Lucy Tallon | Tonbridge A.C. | U15 | DNS | ||||
| 2 | 383 | Lucy Marcus | Shaftesbury Barnet Harriers | U15 | DNS |
