EVENT 103 Girls 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lucy ABBOTT | 10 | Grantham | |
| 2 | 2 | Annie WEBSTER | 10 | Grantham | |
| 3 | 3 | Hetty BELL | 10 | Grantham | |
| 4 | 4 | Isabelle CLAYTON | 10 | Grantham | |
| 5 | 5 | Olivia FARNSWORTH | 12 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Amelia HATHWAY | 13 | Grantham | |
| 2 | 7 | Poppy HATHWAY | 11 | Grantham | |
| 3 | 8 | Amy TAYLOR | 11 | Grantham | 1:55.33 |
| 4 | 9 | Lucy WILLATTS | 11 | Grantham | 1:52.80 |
| 5 | 10 | Lexie SHEWAN | 12 | Grantham | 1:50.37 |
| 6 | 11 | Marcelina DEBICKA | 14 | Grantham | 1:39.91 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Ellena HOWITT | 11 | Grantham | 1:39.45 |
| 2 | 13 | Lucy BEARDSMORE | 12 | Grantham | 1:39.30 |
| 3 | 14 | Harriet MCCORMACK | 13 | Grantham | 1:33.60 |
| 4 | 15 | Grace HOWITT | 13 | Grantham | 1:33.44 |
| 5 | 16 | Alexa WRIGHT | 14 | Grantham | 1:32.94 |
| 6 | 17 | Jessica-Rose DAVISON | 13 | Grantham | 1:30.83 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Jemma MUNRO | 14 | Grantham | 1:29.30 |
| 2 | 19 | Sophie WARD | 13 | Grantham | 1:26.36 |
| 3 | 20 | Rianna ABBOTT | 14 | Grantham | 1:25.94 |
| 4 | 21 | Emilie WEBB | 12 | Grantham | 1:22.30 |
| 5 | 22 | Cora FARLEY | 13 | Grantham | 1:20.06 |
| 6 | 23 | Megan BROWN | 13 | Grantham | 1:18.10 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Grace MACDONALD | 13 | Grantham | 1:15.30 |
| 2 | 27 | Evie TURNER | 16 | Grantham | 1:08.71 |
| 3 | 29 | Grace TURNER | 15 | Grantham | 1:07.55 |
| 4 | 28 | Chloe HOPKINSON | 17 | Grantham | 1:08.04 |
| 5 | 26 | Francesca HALLAM-STOTT | 15 | Grantham | 1:12.70 |
| 6 | 24 | Alexandra HALLAM-STOTT | 16 | Grantham | 1:16.68 |