|
| 300 Metres (Standard: 45.50) |
| 38.68 | | Amy Allcock | Aldershot, Farnham & District AC | Sheffield | 11 Jul 2009 | | |
| 39.38 | 2 | Arabella Wilson | Winchester & District AC | Bedford | 28 Aug | | |
| 40.1 | 1A | Caitlyn Harvey | Kingston AC & Polytechnic Harriers | Ewell | 4 Jun | | |
| 40.17 | 1 | Sophie Osborn | Epsom & Ewell Harriers | Kingston | 14 May | | |
| 41.7 | 2A | Tochi Davids | Croydon Harriers | Ewell | 4 Jun | | |
| 41.72 | 3 | Lauren Taylor | Camberley & District AC | Kingston | 14 May | | |
| 41.9 | 1A | Christina Kirkby | Guildford & Godalming AC | Carshalton | 27 Aug | | |
| 42.2 | 2h1 | Jasmine Pattison | Aldershot, Farnham & District AC | Bournemouth | 27 Mar | | |
| 42.49 | 4 | Ella Pugh | Guildford & Godalming AC | Kingston | 11 Jun | | |
| 42.91 | 3A | Julia Newman | Sutton & District AC | Hendon | 7 Aug | | |
| 43.1 | 2A | Calla Lazou | Sutton & District AC | Ewell | 4 Jun | | |
| 43.12 | 2h2 | Annabelle Thornton | Woking AC | Bracknell | 26 Mar | | |
| 43.27 | 4h3 | Emma Fisher | Walton AC | Eton | 2 Apr | | |
| 43.37 | 5h3 | Sian Popham | Walton AC | Eton | 2 Apr | | |
| 43.5 | 3A | Anna Milner | Guildford & Godalming AC | Ewell | 4 Jun | | |
| 43.60 | 1B | Lily King | Epsom & Ewell Harriers | Ewell | 4 Jun | | |
| 43.8 | 1B | Roxie Goacher | South London Harriers | Carshalton | 27 Aug | | |
| 43.9 | 4A | Summer Chapman | Windsor, Slough, Eton & Hounslow AC | Eton | 18 Jun | | |
| 43.98 | 5h5 | Mabel-Rose Scales | Hercules Wimbledon AC | Coulsdon | 30 Apr | | |
| 44.00 | 2h3 | Maryam Jarra | South London Harriers | Couldson | 30 Apr | | |
| 44.01 | 6h2 | Josie Perrin | Kingston AC & Polytechnic Harriers | Kingston | 14 May | | |
| 44.19 | 3h2 | Khelya Ekwe | Herne Hill Harriers | Kingston | 11 Jun | | |
| 44.77 | 4h2 | Tabitha Brown | Guildford & Godalming AC | Kingston | 11 Jun | | |
| 44.89 | 2B | Brigitte von Buddenbrock | Kingston AC & Polytechnic Harriers | Guildford | 29 May | | |
| 45.14 | 3h1 | Isabel Caamano | Camberley & District AC | Kingston | 14 May | | |
| 45.26 | 3B | Emily Hawthorn | Guildford & Godalming AC | Guildford | 29 May | | |
| 45.47 | 5h2 | Jessa Barras | unattached | Kingston | 11 Jun | | |