| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Grace MACDONALD | 15 | Grantham | 39.01 |
| 2 | 2 | Helena FIELD | 15 | Louth | 38.96 |
| 3 | 3 | Isabella WALTER | 15 | Louth | 37.46 |
| 4 | 4 | Alice-Mae DOWNS | 15 | Co Lincoln P | 36.39 |
| 5 | 5 | Sigourney BOLTON | 15 | South Lincs | 36.66 |
| 6 | 6 | Megan LAMB | 15 | Lincoln Vulc | 38.35 |
| 7 | 7 | Sophie WARD | 15 | Grantham | 39.00 |
| 8 | 8 | Harriet MCCORMACK | 15 | Grantham | 41.63 |