| B Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Danielle Dorris | 22 | S7 | CANADA | 35.46 |
| 2 | 2 | Eliza Humphrey | 19 | S11 | GBR - NHNA | 34.30 |
| 3 | 3 | Camilla Bitz Witt | 21 | S9 | DENMARK | 32.76 |
| 4 | 4 | Rebecca Redfern | 25 | S13 | GBR - WORM | 30.44 |
| 5 | 5 | Abby Kane | 21 | S13 | GBR - WUSX | 30.77 |
| 6 | 6 | Abi Tripp | 23 | S8 | CANADA | 33.38 |
| 7 | 7 | Carmen Lim | 24 | S8 | MALAYSIA | 34.87 |
| 8 | 8 | Sabrina Duchesne | 23 | S7 | CANADA | 36.03 |