| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Molly CRAUGHAN | 12 | Lincoln Vulcans SC | 38.62 |
| 2 | 2 | Remi BERRY | 12 | City of Linc Pentaqua SC | 37.27 |
| 3 | 3 | Charlotte BROWNLESS | 12 | Lincoln Trident Swimming Academy | 35.47 |
| 4 | 4 | Emily TALKES | 12 | Lincoln Vulcans SC | 31.37 |
| 5 | 5 | Ava MALLOWS | 12 | Louth Dolphins SC | 34.76 |
| 6 | 6 | Georgia MIDDLETON | 12 | Louth Dolphins SC | 35.55 |
| 7 | 7 | Lucy JENKINSON | 12 | Deepings SC | 38.58 |
| 8 | 8 | Madeleine SEAGROATT | 13 | Louth Dolphins SC | 38.64 |