| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Joel SADLER | 13 | Grantham | 41.76 |
| 2 | 2 | Robbie DUFF | 13 | Lincoln Vulc | 41.04 |
| 3 | 3 | Henry MASON-SMITH | 13 | Louth | 38.74 |
| 4 | 4 | Finley ROWDING | 13 | Co Lincoln P | 38.05 |
| 5 | 5 | Charlie BISBY | 13 | South Lincs | 38.19 |
| 6 | 6 | Noah SKINNER | 13 | Deepings | 40.35 |
| 7 | 7 | Henry SEAGROATT | 13 | Louth | 41.42 |
| 8 | 8 | Harry ELLIS | 13 | Louth | 43.65 |