| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Archie FRENCH | 09 | Lincoln Vulcans SC | 39.27 |
| 2 | 2 | Lucas NEWBOULT | 09 | Lincoln Vulcans SC | 38.19 |
| 3 | 3 | Freddie TRAGNI | 09 | City of Linc Pentaqua SC | 37.09 |
| 4 | 4 | Zach HOPKINSON | 09 | Grantham SC | 35.46 |
| 5 | 5 | Jacob FISH | 09 | Grantham SC | 36.19 |
| 6 | 6 | James NICHOLS | 09 | Grantham SC | 37.60 |
| 7 | 7 | Matteo MONACO | 09 | South Lincs Competitive SC | 38.44 |
| 8 | 8 | Matthew TOMPKINSON | 09 | Louth Dolphins SC | 39.64 |