| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Amy BLOW | 11 | City of Linc Pentaqua SC | 1:39.87 |
| 2 | 2 | Erin ARCHER | 11 | City of Linc Pentaqua SC | 1:37.59 |
| 3 | 3 | Suzanna BURKE | 11 | Louth Dolphins SC | 1:33.28 |
| 4 | 4 | Kitty LAMB | 11 | South Lincs Competitive SC | 1:25.79 |
| 5 | 5 | Maisie MATTHEWS | 11 | Louth Dolphins SC | 1:28.47 |
| 6 | 6 | Amy PALMER | 11 | City of Linc Pentaqua SC | 1:33.80 |
| 7 | 7 | Amelia BIRD | 11 | Skegness ASC | 1:38.10 |
| 8 | 8 | Sophie FOSTER | 11 | Louth Dolphins SC | 1:44.67 |