| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Elliot Yap | 13 | London Dis | ||
| 2 | 4 | Alexander Moran | 12 | S10 | Co Hereford | 1:06.00 |
| 3 | 6 | Rose Webb | 11 | S6 | Northampton | 58.10 |
| 4 | 8 | Orlaigh Greer | 11 | S10 | South Lincs | 48.19 |
| 5 | 7 | Lindsey Atkins | 13 | S8 | Evesham | 54.12 |
| 6 | 5 | Joseph Clark | 28 | S6 | Sheffield C | 1:01.39 |
| 7 | 3 | Luqman Abdi | 13 | S6 | Co Coventry | 1:29.92 |
| 8 | 1 | Nihal Vim | 12 | Co Coventry | ||