| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 1134 | Trey Bennett | Slough Junior AC | U15 | 24.60 | Q | ||
| 2 | 3 | 1360 | Matteo Harrison | Bracknell AC | U15 | 25.51 | Q | ||
| 3 | 2 | 1152 | Javier Fimia | Maidenhead AC | U15 | 26.11 | q | ||
| 4 | 1 | 1157 | Samuel Pemberton | Bracknell AC | U15 | 26.96 | q | ||
| 5 | 5 | 1352 | Reuben Hahn | Reading AC | U15 | 27.67 | |||
| 6 | 6 | 1190 | Joshua Simms | Bracknell AC | U15 | 29.46 |