| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | 26 | Vittorio Anah | Crawley AC | U15 | 11.97 | |||
| 2 | 4 | 4 | Dominic Barth | Chichester Runnners & AC | U17 | 12.15 | |||
| 3 | 5 | 32 | Scott Clark | East Grinstead & District AC | SEN | 12.17 | |||
| 4 | 2 | 61 | Jack Palmer | Lewes AC | U17 | 12.26 | |||
| 5 | 1 | 75 | Ori Bartle | Lewes AC | U17 | 12.42 | |||
| 6 | 7 | 68 | Matthew Collins | Brighton & Hove AC | U17 | 12.46 | |||
| 8 | 28 | Jamie Arnold | Brighton & Hove AC | U20 | DNS | ||||
| 3 | 42 | Liam Hennessy | Eastbourne Rovers AC | SEN | DNS |
