| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 348 | James Mcculloch | Crawley AC | U20 | 52.18 | |||
| 2 | 3 | 353 | Joe Morris | Eastbourne Rovers AC | SEn | 53.60 | |||
| 3 | 2 | 376 | Finn Rodgers | Medway and Maidstone AC | U17 | 54.35 | |||
| 4 | 4 | 368 | Jack Palmer | Lewes AC | U17 | 55.03 | |||
| 5 | 6 | 326 | Paul Howard | Brighton Phoenix | V40 | 55.24 | |||
| 6 | 1 | 268 | Joe Bass | Southampton Athletic Club | U17 | 55.60 |
