| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 229 | George Seery | Thanet A.C. | U20 | 51.53 | |||
| 2 | 5 | 9 | Jake Anthony | Blackheath and Bromley Harriers A.C. | U17 | 52.98 | |||
| 3 | 6 | 220 | Zach Segal | St Albans A.C. | U17 | 53.31 | |||
| 4 | 3 | 137 | Holly Turner | Crawley A.C. | Sen | 54.15 | |||
| 5 | 2 | 242 | Calvin Fuss | Unattached | Sen | 54.57 |
