| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 340 | Chloe Kornevall | Lewes AC | U20 | 1:00.45 | |||
| 2 | 5 | 344 | Jessica Lister | Crawley AC | U20 | 1:00.64 | |||
| 3 | 2 | 307 | Chloe Errington | Southampton Athletic Club | U20 | 1:02.52 | |||
| 4 | 3 | 286 | Rose Chaplin | Eastbourne Rovers AC | U20 | 1:03.55 |
