| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 157 | Billie Rouse | Medway and Maidstone A.C. | U17 | 1:00.82 | |||
| 2 | 4 | 159 | Kyra Sethna-McIntosh | Croydon Harriers | U17 | 1:01.95 | |||
| 3 | 3 | 160 | Olivia Wauters | Blackheath and Bromley Harriers A.C. | U17 | 1:05.13 | |||
| 4 | 6 | 147 | Emily Deveney | Blackheath and Bromley Harriers A.C. | U15 | 1:05.86 | |||
| 5 | 2 | 155 | Sophie Placek | Blackheath and Bromley Harriers A.C. | U15 | 1:11.62 | |||
| 6 | 1 | 149 | Helene Kehoe | London Heathside Runners A.C. | W55 | 1:16.39 |
