| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Pia Murray | 15 | Ellesmere Co | 1:04.32 |
| 1 | 2 | Caitlin Hubbard | 16 | Co Birm'ham | 1:04.02 |
| 2 | 3 | Chloe Hannam | 21 | Co Peterboro | 1:03.87 |
| 3 | 4 | Tegan Drew | 17 | Plymouth Lea | 1:03.52 |
| 4 | 5 | Jessica Shaw | 18 | Birm'ham Uni | 1:03.44 |
| 5 | 6 | Charlotte Evans | 20 | Loughboro Un | 1:03.52 |
| 6 | 7 | Athena Clayson | 16 | Mt Kelly | 1:03.66 |
| 7 | 8 | C Fletcher-Stables | 15 | Northampton | 1:04.00 |
| 8 | 9 | Alicia Wilson | 17 | Guildford Ct | 1:04.13 |
| 9 | 10 | Daisy Platts | 17 | Co Leicester | 1:04.53 |