EVENT 208 Female 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Francesca Smith | 9 | Northall'ton | |
| 2 | 3 | Eva Bailey | 11 | Northall'ton | 1:52.57 |
| 3 | 2 | Millie Bulmer | 10 | Loftus Dol | 1:54.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Alice Burchell | 10 | Loftus Dol | 1:50.24 |
| 2 | 7 | Esme CLARK | 11 | Borocuda T | 1:43.95 |
| 3 | 6 | Sofia Cryer-Anderson | 9 | Loftus Dol | 1:50.00 |
| 4 | 4 | Fearne Thynne | 8 | Loftus Dol | 1:51.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Eleanor Halliday | 12 | Northall'ton | 1:29.04 |
| 2 | 11 | Sienna FAWCETT | 12 | Borocuda T | 1:20.54 |
| 3 | 10 | Amaya McQueen | 12 | Northall'ton | 1:25.92 |
| 4 | 8 | Eirinn Flemming | 10 | Loftus Dol | 1:38.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Jasmyn Eddon | 13 | Northall'ton | 1:14.60 |
| 2 | 15 | Abbie Hodgkinson | 16 | Northall'ton | 1:05.90 |
| 3 | 14 | Maisie Morris | 15 | Northall'ton | 1:06.16 |
| 4 | 12 | Caitlin WATSON | 14 | Borocuda T | 1:18.92 |