EVENT 108 Female 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Dorothy GOODA | 11 | Team Luton | |
| 4 | 3 | Charlotte COX | 16 | Linslade | 1:48.98 |
| 5 | 2 | Victoria BANDURAC | 10 | Linslade | 1:49.77 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Beth SHORT | 14 | Linslade | 1:34.87 |
| 2 | 8 | Ellie BROWNE | 13 | Dunstable | 1:29.50 |
| 3 | 11 | Ellie SMITH | 13 | Linslade | 1:25.58 |
| 4 | 13 | Darcie CADER | 13 | Berkhamsted | 1:25.16 |
| 5 | 12 | Lillian OWENS | 11 | Putteridge | 1:25.29 |
| 6 | 9 | Isabella GEARY | 14 | Dunstable | 1:28.82 |
| 7 | 7 | Elsea HALL | 13 | St Ives | 1:33.66 |
| 8 | 4 | Annie FINNERTY | 12 | Linslade | 1:39.94 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Connie FLITTON | 14 | Dunstable | 1:18.13 |
| 2 | 20 | Elissa NEO | 12 | Linslade | 1:17.10 |
| 3 | 22 | Andi DOBSON | 13 | St Ives | 1:14.88 |
| 4 | 25 | Tessa QUAYLE | 17 | St Ives | 1:12.69 |
| 5 | 24 | Alice BUCKINGHAM | 12 | Team Luton | 1:13.20 |
| 6 | 21 | Lauren TOUGH | 15 | Team Luton | 1:16.79 |
| 7 | 19 | Libby FLITTON | 12 | Dunstable | 1:17.50 |
| 8 | 14 | Florence TAYLOR | 13 | St Ives | 1:25.08 |