| Place | Name | AaD | Club | Time | 50 | |||||
| 1. | Alexandra BULAT | 18 | Co Lincoln P | 1:04.88 | 30.27 | |||||
| 2. | Katie MALONEY | 27 | Louth | 1:05.73 | 30.24 | |||||
| 3. | Grace TURNER | 17 | Grantham | 1:08.13 | 31.62 | |||||
| 4. | Jessica O'HERLIHY | 18 | South Lincs | 1:08.87 | 32.10 | |||||
| 5. | Francesca HALLAM-STOTT | 17 | Grantham | 1:10.70 | 33.08 | |||||
| 6. | Beatrice FINCH | 18 | South Lincs | 1:10.71 | 33.01 | |||||
| 7. | Evie TURNER | 18 | Grantham | 1:11.43 | 33.44 | |||||
| 8. | Eloise WALKER | 17 | Deepings | 1:13.57 | 33.87 |