| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Nathan LITTLE | 11 | Gainsborough | 1:21.30 |
| 2 | 2 | Harrison ABLITT | 11 | Co Lincoln P | 1:19.40 |
| 3 | 3 | Noah HALIFAX | 10 | South Lincs | 1:18.58 |
| 4 | 4 | Cameron JAMISON | 11 | Lincoln TSA | 1:12.90 |
| 5 | 5 | Brody LENTZ | 11 | Louth | 1:15.64 |
| 6 | 6 | Damir IVANOVS | 11 | Boston | 1:18.89 |
| 7 | 7 | Tom BARRATT | 11 | Gainsborough | 1:20.75 |
| 8 | 8 | Cyril BAO | 10 | Grantham | 1:22.90 |