EVENT 204 Girls 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Emmeline GLEAVE | 8 | Grantham | |
| 3 | 2 | Evangeline KINNEAR | 10 | Grantham | |
| 4 | 3 | Juliette KIM | 8 | Grantham | |
| 5 | 4 | Ella Bele KHAMA | 9 | Grantham | |
| 6 | 5 | Madeline SURTEES | 11 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Emily CLAYTON | 9 | Grantham | 2:15.91 |
| 2 | 7 | Abigail TAYLOR | 9 | Grantham | 2:06.34 |
| 3 | 8 | Sophie GILL | 12 | Grantham | 1:51.54 |
| 4 | 9 | Hollie-Ann CROOK | 9 | Grantham | 1:49.49 |
| 5 | 10 | Helena HAMILTON | 12 | Grantham | 1:45.95 |
| 6 | 11 | F PERRATON-WILLIAMS | 11 | Grantham | 1:45.30 |
| 7 | 12 | Octavia SHEARN | 11 | Grantham | 1:38.86 |
| 8 | 13 | Ava-Grace GREGORY | 11 | Grantham | 1:38.01 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Sophie PERKINS | 12 | Grantham | 1:32.03 |
| 2 | 15 | Elisabeth KINNEAR | 13 | Grantham | 1:29.92 |
| 3 | 16 | Isabelle CLAYTON | 11 | Grantham | 1:29.34 |
| 4 | 17 | Eden DYSON | 12 | Grantham | 1:28.90 |
| 5 | 18 | Charlotte JAY | 11 | Grantham | 1:28.40 |
| 6 | 19 | Lucy ABBOTT | 11 | Grantham | 1:23.60 |
| 7 | 20 | Poppy HATHWAY | 12 | Grantham | 1:23.08 |
| 8 | 21 | Charlotte GILL | 15 | Grantham | 1:21.12 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Marcelina DEBICKA | 15 | Grantham | 1:21.12 |
| 2 | 23 | Eva HART | 13 | Grantham | 1:20.92 |
| 3 | 24 | Mia PARAPIJONAVICIUTE. | 14 | Grantham | 1:19.30 |
| 4 | 26 | Annie WEBSTER | 11 | Grantham | 1:18.38 |
| 5 | 27 | Sascha NEL | 13 | Grantham | 1:16.60 |
| 6 | 28 | Annabelle JAY | 12 | Grantham | 1:15.57 |
| 7 | 29 | Lexie SHEWAN | 13 | Grantham | 1:15.56 |
| 8 | 30 | Amy TAYLOR | 12 | Grantham | 1:15.51 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Grace HOWITT | 14 | Grantham | 1:13.36 |
| 2 | 32 | Jemma MUNRO | 15 | Grantham | 1:12.90 |
| 3 | 33 | Amelia HATHWAY | 14 | Grantham | 1:12.86 |
| 4 | 34 | Lucy WILLATTS | 12 | Grantham | 1:12.34 |
| 5 | 35 | Alexa WRIGHT | 15 | Grantham | 1:12.13 |
| 6 | 36 | Holly GRIFFIN | 17 | Grantham | 1:12.04 |
| 7 | 37 | Ellena HOWITT | 12 | Grantham | 1:11.78 |
| 8 | 38 | Emilie WEBB | 13 | Grantham | 1:10.22 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Rianna ABBOTT | 15 | Grantham | 1:08.34 |
| 2 | 42 | Isla GRAY | 13 | Grantham | 1:07.60 |
| 3 | 44 | Megan BROWN | 14 | Grantham | 1:02.60 |
| 4 | 46 | Grace TURNER | 16 | Grantham | 1:00.90 |
| 5 | 45 | Evie TURNER | 17 | Grantham | 1:01.47 |
| 6 | 43 | Jessica - Rose DAVISON | 14 | Grantham | 1:05.47 |
| 7 | 41 | Harriet MCCORMACK | 14 | Grantham | 1:07.86 |
| 8 | 39 | Isobel ALLSOP | 13 | Grantham | 1:09.70 |