| Under-20 Women 1500 Metres Steeplechase (76.2cm) |
| 5:14.3 | Ruth Haynes | Aldershot, Farnham & District AC | Eton | 29/04/2012 |
| 5:09.2 | Suzannah Monk | Guildford & Godalming AC | Carshalton | 01/06/2014 |
| 5:07.1 | Zoe Tompkins | Herne Hill Harriers | Birmingham | 14/07/2018 |
| 5:03.82 | Martha Collings (U17) | Woking AC | Birmingham | 13/07/2019 |
| 5:02.51 | Martha Collings (U17) | Woking AC | Swansea | 20/07/2019 |
| 5:00.80mx | Martha Collings | Woking AC | Yeovil | 08/05/2021 |
| 5:01.86 | Martha Collings | Woking AC | Milton Keynes | 05/06/2021 |
| 4:54.54 | Martha Collings | Woking AC | Manchester (SC) | 09/07/2021 |
| KEY |
| | i Indoor performance | |
| | * Old specification javelin | |
| | mx Performance achieved in mixed sex race | |
| NOTE. A 3-character code between the club and the venue indicates that the athlete was not eligible to represent GB at the time of the performance but did have a Surrey County qualification. |
