| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 1360 | Matteo Harrison | Bracknell AC | U15 | 12.28 | Q | ||
| 2 | 6 | 1338 | Aman Marwaha | Windsor S E & H | U15 | 12.65 | Q | ||
| 3 | 7 | 1329 | Nick Mannke | Windsor S E & H | U15 | 12.74 | Q | ||
| 4 | 8 | 1182 | Demari Gumbs | Windsor S E & H | U15 | 13.04 | q | ||
| 5 | 5 | 1157 | Samuel Pemberton | Bracknell AC | U15 | 13.35 | |||
| 6 | 4 | 1046 | Chester Shen | Maidenhead AC | U15 | 13.37 | |||
| 7 | 2 | 1092 | Filippo D'Orazio | Maidenhead AC | U15 | 15.00 |