| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Everlyn TAYLOR | 12 | City of Linc Pentaqua SC | 1:49.59 |
| 2 | 2 | Isla LORMOR | 12 | Gainsborough Dolphins SC | 1:45.88 |
| 3 | 3 | Jessica HALL | 12 | Grantham SC | 1:42.51 |
| 4 | 4 | Emily TALKES | 12 | Lincoln Vulcans SC | 1:40.35 |
| 5 | 5 | Ava MALLOWS | 12 | Louth Dolphins SC | 1:42.43 |
| 6 | 6 | Molly CRAUGHAN | 12 | Lincoln Vulcans SC | 1:43.38 |
| 7 | 7 | Olivia KING | 12 | Deepings SC | 1:48.87 |