|
300 Metres (Standard: 47.00) |
| 40.65 | 2h1 | Tia Garrard | Kingston AC & Polytechnic Harriers | Birmingham | 30 Jun | | |
| 41.14 | 1h3 | Holly Ryan | Guildford & Godalming AC | Nuneaton | 3 Jul | | |
| 41.85 | 7h2 | Amy Mcloughlin | Walton AC | Birmingham | 30 Jun | | |
| 42.18 | 1 | Vivienne Jonczyk | Hercules Wimbledon AC | Kingston | 14 May | | |
| 42.37 mx | 3h3 | Ella Rennie | Herne Hill Harriers | Carshalton | 1 Apr | | |
| 42.5 | 2B | Sophie Hawthorn | Guildford & Godalming AC | Twickenham | 3 Jun | | |
| 43.2 | 1A | Sophie Price | Woking AC | Hemel Hempstead | 8 Jul | | |
| 43.2 | 1B | Emily Milner | Guildford & Godalming AC | Carshalton | 26 Aug | | |
| 43.21 | 3h3 | Scarlett Shepherd | Guildford High School | Nuneaton | 3 Jul | | |
| 43.5 | 2A | Maya Watson | South London Harriers | Guildford | 17 Jun | | |
| 43.79 | 6h1 | Francesca Weal | Guildford & Godalming AC | Winchester | 31 May | | |
| 43.84 mx | 2h3 | Emily Milner | Guildford & Godalming AC | Horspath | 5 Jul | | |
| 43.90 | 2h1 | Sophie Wright | Herne Hill Harriers | Kingston | 14 May | | |
| 43.9 | 1B | Beatriz Maulicino | Herne Hill Harriers | Tooting Bec | 22 Jul | | |
| 44.3 | | Silvia Gadzama | Blackheath & Bromley Harriers AC | Gillingham | 15 Jul | | |
| 44.4 | 1B | Isabella Harrison | Hercules Wimbledon AC | Ewell | 15 Apr | | |
| 44.45 | 1A | Kirsty Darroch | Camberley & District AC | Aldershot | 11 Jun | | |
| 44.5 | 1B | Keira Oxley | Guildford & Godalming AC | Kingston | 5 Aug | | |
| 44.8 | 1A | Erin Gregory | Walton AC | Kingston | 3 Jun | | |
| 44.8 | 1B | Lola Roake | Woking AC | Hemel Hempstead | 8 Jul | | |
| 44.87 | 7 | Allegra Adams | Hercules Wimbledon AC | Kingston | 14 May | | |
| 44.95 | 2ns1 | Chloe Shipton | Guildford & Godalming AC | Reading | 23 Apr | | |
| 45.01 | 3h3 | Keiyan Waikwa | Hercules Wimbledon AC | Kingston | 14 May | | |
| 45.1 | 2A | Maya Rungusumy | South London Harriers | Kingston | 5 Aug | | |
| 45.11 | 1B | Imogen Freeman | Woking AC | Aldershot | 2 Jul | | |
| 45.12 mx | 4h3 | Charlotte Coleman | Epsom & Ewell Harriers | Coulsdon | 29 Apr | | |
| 45.18 | 4h3 | Charlotte Coleman | Epsom & Ewell Harriers | Kingston | 14 May | | |
| 45.26 | 2h2 | Rosie Kirby | Surrey Schools | Kingston | 10 Jun | | |
| 45.3 | 2A | Elizabeth Holyday | Kingston AC & Polytechnic Harriers | Hemel Hempstead | 8 Jul | | |
| 45.69 | 4h1 | Elizabeth Gilligan | Waverley Harriers | Kingston | 10 Jun | | |
| 45.72 | 3h2 | Connie King | Kingston AC & Polytechnic Harriers | Kingston | 14 May | | |
| 45.73 | 3h2 | Emilia Morgan | Guildford & Godalming AC | Kingston | 10 Jun | | |
| 45.82 | 5h3 | Sophie Jennings | Guildford & Godalming AC | Kingston | 14 May | | |
| 45.9 | 4B | Ihinosen Eboreime-Ohikhateme | Croydon Harriers | Carshalton | 26 Aug | | |
| 46.00 | 3h1 | Ava McAndie | Hercules Wimbledon AC | Tooting Bec | 27 May | | |
| 46.07 | 5h1 | Isla Hanif | Woking AC | Kingston | 10 Jun | | |
| 46.29 | 1ns2 | Emily Williams | Guildford & Godalming AC | Reading | 23 Apr | | |
| 46.3 | 1A | Layla Drury | Walton AC | Portsmouth | 23 Jul | | |
| 46.49 | 2A | Lila Cooke | Waverley AC | Aldershot | 11 Jun | | |
| 46.50 | 3h1 | Kristina Frost | Hercules Wimbledon AC | Battersea Park | 10 Jun | | |
| 46.5 | 2A | Shaynie Agyei-Kyem | Walton AC | Hemel Hempstead | 8 Jul | | |
| 46.52 | 3B | Adiza Hayford-Kwatchey | Croydon Harriers | Woodford | 3 Jun | | |
| 46.64 | 4h1 | Halili Waikwa | Hercules Wimbledon AC | Kingston | 14 May | | |
| 46.71 | 5h1 | Anna Man | Camberley & District AC | Kingston | 14 May | | |
| 46.8 | 3A | Annalise Gunning | Croydon Harriers | Guildford | 17 Jun | | |
| 46.90 | 5A | Alison Omoregie | Croydon Harriers | Bedford | 7 May | | |
| 46.93 | 6A | Akemi Samuels | Croydon Harriers | Woodford | 3 Jun | | |
| 46.98 | 5h2 | Glo Yabia | Surrey Schools | Kingston | 10 Jun | | |