| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evie NEWMAN | 14 | Lincoln Vulc | 41.30 |
| 2 | 2 | Emily TALKES | 14 | Lincoln Vulc | 40.65 |
| 3 | 3 | Olivia KING | 14 | Deepings | 40.14 |
| 4 | 4 | Connie MILLNS | 14 | Co Lincoln P | 39.78 |
| 5 | 5 | Freya SHARPE | 14 | Lincoln Vulc | 39.93 |
| 6 | 6 | Katie LUCY | 14 | South Lincs | 40.55 |
| 7 | 7 | Arabella PEARCE | 14 | Louth | 40.73 |
| 8 | 8 | Isla LORMOR | 14 | Gainsborough | 41.56 |