| B Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 2 | Clemence Pare | 22 | S5 | CANADA | 3:58.25 |
| 3 | 3 | Ellie Challis | 20 | S3 | GBR - CLAT | 3:48.13 |
| 4 | 4 | Megan Neave | 21 | S14 | GBR - RESA | 2:24.23 |
| 5 | 5 | Celine Vermaut | 25 | S14 | BELGIUM | 2:32.74 |
| 6 | 6 | Berta Garcia Grau | 19 | S5 | SPAIN | 3:51.70 |