| |
| 300HW |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 48.79 | Serlina Swaby-Constantine | PB | U17 | W | 16 | 23.12.94 | | Victoria Park & Tower Hamlets | 48.7 | 48.7 |  |
| 2 | 48.80 | Nikkita Sartori-Sigrist | PB | U17 | W | 16 | 09.11.94 | | Orion | 48.71 | 48.71 | |
| 3 | 50.52 | Marissa Robertson | | U17 | W | 15 | 27.11.95 | Paul Nash | Wycombe | 49.6 | 48.24 | |
| 4 | 50.88 | Rebecca Barnard | | U17 | W | 16 | 03.03.95 | | Thurrock | 50.68 | 50.33 | |
| 5 | 51.93 | Vicky Ashley | | U17 | W | 15 | 08.09.95 | James Bennett | Marshall Milton Keynes | 50.2 | 50.2 | |
| 6 | 53.95 | Gaye Clarke | | V50 | W | 50 | 22.08.60 | | Ryston/Eastern Vets | 53.01 | 52.58 | |