| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Layton ANNISON-SNOWDEN | 09 | Louth Dolphins SC | 1:15.33 |
| 2 | 2 | Luke DAYBELL | 09 | Grantham SC | 1:13.83 |
| 3 | 3 | Zach HOPKINSON | 09 | Grantham SC | 1:12.32 |
| 4 | 4 | Jacob FISH | 09 | Grantham SC | 1:10.22 |
| 5 | 5 | Matteo MONACO | 09 | South Lincs Competitive SC | 1:12.11 |
| 6 | 6 | Morgan FARRAR | 09 | City of Linc Pentaqua SC | 1:13.53 |
| 7 | 7 | Oliver JONES | 09 | Lincoln Vulcans SC | 1:14.48 |
| 8 | 8 | Jack HICKS | 09 | Lincoln Vulcans SC | 1:15.47 |