| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 148 | Jessica Simons | Radley A.C. | U15 | 45.96 | |||
| 2 | 3 | 59 | Chelsie Locker | Charnwood A C | U13 | 47.26 | |||
| 3 | 7 | 113 | Harry Blewitt-Jenkins | Charnwood A C | U15 | 48.06 | |||
| 4 | 2 | 218 | Mia Franco | Amber Valley and Erewash A.C. | U15 | 48.91 | |||
| 5 | 8 | 82 | Ela Kocacik | Notts A.C. | U17 | 49.16 | |||
| 4 | 1 | Abbey Bate | Crewe and Nantwich A.C. | U15 | DNS | ||||
| 6 | 44 | Caitlin Hancock | Woodford Green A.C. with Essex Ladies | U13 | DNS |
