| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 1 | Aaryamaan SINGH | 08 | Swindon Dolp | DN:S . |
| 3 | 3 | Mir AL-DABAK | 10 | Stockport Mo | 1:15.27 |
| 4 | 5 | Henry SCULLY-PROUD | 07 | Loughborough | 1:13.96 |
| 5 | 4 | Hayden HUDSON | 10 | Chesterfield | 1:20.70 |
| 6 | 2 | Gethin JENKS | 10 | Swindon Dolp | 1:20.98 |
| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 7 | Sam MACER | 08 | Repton | 1:15.97 |
| 7 | 8 | Harrison BYWATER | 07 | Loughborough | 1:13.64 |
| 8 | 6 | Giorgio OXBY | 05 | Stockport Mo | 1:14.55 |