| B Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Mira Jeanne Maack | 20 | S8 | GERMANY | 1:30.96 |
| 2 | 2 | Brock Whiston | 28 | S8 | GBR - BACL | 1:16.91 |
| 3 | 3 | Georgia Sheffield | 19 | S14 | GBR - BTMN | 1:12.33 |
| 4 | 4 | Poppy Maskill | 19 | S14 | GBR - ALSN | 1:09.01 |
| 5 | 5 | Eva Coronado Tejeda | 25 | S14 | SPAIN | 1:10.13 |
| 6 | 6 | Angela Marina | 25 | S14 | CANADA | 1:10.94 |
| 7 | 7 | Toni Shaw | 21 | S9 | GBR - NUAX | 1:12.60 |
| 8 | 8 | Katarina Roxon | 31 | S9 | CANADA | 1:19.51 |