| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sui Chun Yip | 14 | Corby | 1:21.52 |
| 2 | 2 | Lucas Poole | 14 | Northampton | 1:18.23 |
| 3 | 3 | Oscar Venn | 14 | Northampton | 1:17.06 |
| 4 | 4 | Harry Langstone | 14 | Kettering | 1:14.04 |
| 5 | 5 | Aiden Horne | 14 | Corby | 1:15.66 |
| 6 | 6 | Elliott Thomson | 14 | Daventry | 1:17.99 |
| 7 | 7 | Wojciech Latusek | 14 | Wellingboro | 1:19.57 |
| 8 | 8 | Timothy Pole | 14 | Northampton | 1:22.89 |