| Place | Name | YoB | Club | Time | R.T. | FINA Pt | 50 | |||
| 1. | Cameron Brooks-Clarke | (99) | Co Sheffield | 53.67 | + 0.64 | 799 | 25.19 | |||
| 2. | Mason Wilby | (99) | Loughboro Un | 54.58 | + 0.69 | 760 | 25.40 | |||
| 3. | Thomas Beeley | (99) | Aberdeen Per | 54.94 | + 0.59 | 745 | 26.20 | |||
| 4. | Jacob Peters | (00) | Poole | 55.07 | + 0.73 | 740 | 25.46 | |||
| 5. | Sam Dailley | (01) | Plymouth Lea | 55.28 | + 0.91 | 731 | 25.51 | |||
| 6. | William Cole | (99) | Co Bristol | 55.57 | + 0.65 | 720 | 25.92 | |||
| 7. | Max McCusker | (99) | Millfield | 55.61 | 719 | 25.60 | ||||
| 8. | Thomas Downs | (99) | Exeter City | 56.21 | + 0.65 | 696 | 26.30 |