| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 2 | Charlotte Hyde | 17 | S7 | Camden Swiss | 1:20.21 |
| 2 | 4 | Eleanor Robinson | 18 | S6 | Northampton | 1:14.81 |
| 3 | 6 | Abby Kane | 16 | S13 | N Ayrshire | 1:06.89 |
| 4 | 8 | Zara Mullooly | 17 | S10 | Guildford Ct | 1:01.98 |
| 5 | 7 | Toni Shaw | 16 | S9 | Aberdeen Per | 1:04.07 |
| 6 | 5 | Seren Leconte | 15 | S9 | RCT Squad | 1:13.65 |
| 7 | 3 | Grace Harvey | 21 | S6 | Hoddesdon | 1:16.38 |
| 8 | 1 | Suzanna Hext | 31 | S5 | Swindon Dolp | 1:24.00 |