| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Thomas VERE | 12 | South Lincs | 1:17.02 |
| 2 | 2 | Hugo BRAILSFORD | 12 | Deepings | 1:14.87 |
| 3 | 3 | Derrin BROCKLEBANK | 12 | Grantham | 1:12.93 |
| 4 | 4 | Toby EDMONDSON | 12 | Grantham | 1:09.83 |
| 5 | 5 | Ethan LUCY | 12 | South Lincs | 1:12.48 |
| 6 | 6 | Benjamin NOAKES | 12 | Louth | 1:14.52 |
| 7 | 7 | Seth CLAYTON | 12 | South Lincs | 1:16.19 |
| 8 | 8 | William PENNOCK | 12 | Grantham | 1:17.12 |