| (1) | 1:42.0 | Holly Colenutt | (Bracknell AC) | Guildford | 23.07.2022 |
| (2) | 1:42.7 | Matilda Robertson | (Aldershot, Farnham & District AC) | Guildford | 23.07.2022 |
| (3) | 1:43.7 | Olivia Hines | (Hercules Wimbledon AC) | Tooting Bec | 28.07.1996 |
| (4) | 1:44.9 | Emily Easton | (Guildford & Godalming AC) | Guildford | 4.07.2021 |
| (5) | 1:46.4 | Chloe Shipton | (Guildford & Godalming AC) | Eton | 18.06.2022 |
| (6) | 1:46.5 | Phoebe Fuller | (Windsor, Slough, Eton & Hounslow AC) | Guildford | 4.07.2021 |
| (7) | 1:46.7 | Enoki Calvert-Ansari | (Guildford & Godalming AC) | Guildford | 23.07.2022 |
| (8) | 1:47.2 | Angharad Hughes | (Richmond & Twickenham AC) | Kingston | 26.07.1997 |
| (9) | 1:49.3 | Sanique Ferguson | (Hercules Wimbledon AC) | Croydon | 12.05.1996 |
| (10) | 1:49.8 | Sarah-Jane Pickett | (Horsham Blue Star Harriers) | Kingston | 28.07.1996 |
10 athletes with performances of 1:49.80 or better. |
| Other marks |
