| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Freddie HIRST | 12 | Grantham | 34.30 |
| 2 | 2 | Derrin BROCKLEBANK | 12 | Grantham | 33.88 |
| 3 | 3 | Benjamin NOAKES | 12 | Louth | 32.74 |
| 4 | 4 | Toby EDMONDSON | 12 | Grantham | 32.38 |
| 5 | 5 | Hugo BRAILSFORD | 12 | Deepings | 32.62 |
| 6 | 6 | Ethan LUCY | 12 | South Lincs | 33.23 |
| 7 | 7 | William PENNOCK | 12 | Grantham | 34.19 |
| 8 | 8 | Joshua FORSYTH | 12 | Lincoln Vulc | 34.56 |