EVENT 105 Girls 14/15 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Yasmin Sweet | 15 | Cornwall | 1:11.10 |
| 2 | 3 | Rebecca Amor | 14 | Cumbria | 1:07.62 |
| 3 | 5 | Florence Ball | 15 | Wiltshire | 1:06.90 |
| 4 | 7 | Megan Pye | 15 | Norfolk | 1:06.20 |
| 5 | 6 | Megan Dean | 15 | Staffs | 1:06.40 |
| 6 | 4 | Catherine Roberts | 14 | Swim Wales W | 1:07.32 |
| 7 | 2 | Lauren Thomas | 15 | Bedfordshire | 1:07.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 9 | Abigail Farkas | 15 | Lincolnshire | 1:05.18 |
| 1 | 11 | Jessica McDonough | 15 | Shropshire | 1:04.87 |
| 2 | 13 | Isobel Hume | 15 | Northants | 1:04.40 |
| 3 | 15 | Mia Leech | 15 | Cambs | 1:03.50 |
| 4 | 17 | Sophie Yendell | 15 | Derbyshire | 1:00.30 |
| 5 | 16 | Ellie Cowan | 15 | Berks&SBucks | 1:03.02 |
| 6 | 14 | Alisha Stephenson | 15 | Worcs | 1:03.70 |
| 7 | 12 | Olivia Bulter | 14 | Gloucs | 1:04.80 |
| 8 | 10 | Molly Qulesh | 15 | Warwicks | 1:05.18 |
| 9 | 8 | Lauren Stott | 15 | Herts | 1:05.68 |