| B Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 1 | Amir ZAHOUANI | 16 | Bo Waltham F | 1:16.88 | |
| 1 | 2 | Charlie HINSON | 16 | Co Leeds | 1:15.45 | |
| 2 | 3 | Ethan COWELL | 15 | Co Leeds | 1:14.43 | |
| 3 | 4 | Oliver LAMBERT | 15 | Co Liverpool | 1:14.17 | |
| 4 | 5 | Jad IDRIS | 18 | Co Leeds | 1:13.55 | |
| 5 | 6 | Oscar DONNELLY | 16 | Co Liverpool | 1:13.70 | |
| 6 | 7 | Aaron WHARTON | 21 | RichmondDale | 1:14.38 | |
| 7 | 8 | Thomas ROBERTS | 16 | Hackney | 1:14.72 | |
| 8 | 9 | Nathan CARRINGTON | 17 | SB15 | York City | 1:16.05 |
| 9 | 10 | Jared ALMOND | 17 | Bo Barnsley | 1:17.17 | |