| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Harrison ABLITT | 11 | Co Lincoln P | 42.85 |
| 2 | 2 | Liam EDMEADES | 11 | Deepings | 41.50 |
| 3 | 3 | Brody LENTZ | 11 | Louth | 39.96 |
| 4 | 4 | Cyril BAO | 10 | Grantham | 37.03 |
| 5 | 5 | Cameron JAMISON | 11 | Lincoln TSA | 37.82 |
| 6 | 6 | Nathan LITTLE | 11 | Gainsborough | 41.14 |
| 7 | 7 | Noah HALIFAX | 10 | South Lincs | 41.84 |
| 8 | 8 | George COOPER | 11 | Grantham | 44.31 |