| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Benjamin NOAKES | 12 | Louth | 1:43.52 |
| 2 | 2 | Derrin BROCKLEBANK | 12 | Grantham | 1:38.62 |
| 3 | 3 | Benjamin SHEARN | 12 | Grantham | 1:38.19 |
| 4 | 4 | Toby EDMONDSON | 12 | Grantham | 1:28.40 |
| 5 | 5 | Seth CLAYTON | 12 | South Lincs | 1:37.61 |
| 6 | 6 | William PENNOCK | 12 | Grantham | 1:38.34 |
| 7 | 7 | Hugo BRAILSFORD | 12 | Deepings | 1:40.19 |
| 8 | 8 | Freddie HIRST | 12 | Grantham | 1:44.69 |