| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 0 | 1 | Erel Halevi | 91 | S7 | Israel | 5:41.21 |
| 1 | 2 | Grace Harvey | 98 | S6 | GBR - HODT | 5:32.60 |
| 2 | 3 | Maisie Summers-Newton | 02 | S6 | GBR - NHNA | 5:23.65 |
| 3 | 4 | Eleanor Simmonds | 94 | S6 | GBR - CSCL | 5:19.27 |
| 4 | 5 | Katie Crowhurst | 04 | S13 | GBR - WYCS | 5:15.55 |
| 5 | 6 | Yuliya Gordiychuk | 98 | S9 | Israel | 4:58.06 |
| 6 | 7 | Brock Whiston | 96 | S8 | GBR - BACL | 4:54.54 |
| 7 | 8 | Claire Supiot | 68 | S9 | France | 4:52.07 |
| 8 | 9 | S Cristino Zapata | 96 | S10 | Mexico | 4:45.85 |
| 9 | 10 | Toni Shaw | 03 | S9 | GBR - NCOX | 4:43.20 |