EVENT 304 Female 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Matilda MCDONNELL | 11 | Grantham | |
| 4 | 2 | Emmeline GLEAVE | 9 | Grantham | 1:56.13 |
| 5 | 3 | Francesca BROWNLESS | 9 | Lincoln TSA | 1:55.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Luiza KOZIOL | 16 | Lincoln TSA | 1:50.00 |
| 2 | 5 | Tanisha PAREKH | 13 | Skegness | 1:50.00 |
| 3 | 6 | Katie BEASTALL | 11 | Co Lincoln P | 1:47.72 |
| 4 | 7 | Leila MARANDI | 10 | Retford | 1:47.10 |
| 5 | 8 | Elizabeth JONES | 14 | Grantham | 1:46.42 |
| 6 | 9 | Lily-May CLARK | 11 | Grantham | 1:46.12 |
| 7 | 10 | Isobel DELDERFIELD | 10 | Co Lincoln P | 1:45.00 |
| 8 | 11 | Ana BASCARAU | 12 | Boston | 1:44.99 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Lexie SHEWAN | 14 | Grantham | 1:42.49 |
| 2 | 13 | Isla-Rose WILDISH | 10 | Retford | 1:38.13 |
| 3 | 14 | Daisy-Grace WILDISH | 9 | Retford | 1:37.60 |
| 4 | 15 | Lucy BARRATT | 11 | Gainsborough | 1:37.51 |
| 5 | 16 | Hollie-Anne CROOK | 10 | Grantham | 1:37.41 |
| 6 | 17 | Ava-Grace GREGORY | 12 | Grantham | 1:36.75 |
| 7 | 18 | Phoebe CHARMAN | 15 | Lincoln TSA | 1:35.87 |
| 8 | 19 | Charlotte BROWNLESS | 12 | Lincoln TSA | 1:35.39 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Octavia SHEARN | 12 | Grantham | 1:35.30 |
| 2 | 21 | Charlotte GOSLING | 15 | Newark | 1:34.71 |
| 3 | 22 | Izabella ZANIEWSKA | 11 | Boston | 1:33.44 |
| 4 | 23 | Miley RICHARDSON | 11 | Co Lincoln P | 1:31.42 |
| 5 | 24 | Alice MCMASTER | 13 | Co Lincoln P | 1:26.79 |
| 6 | 25 | Lucy ABBOTT | 12 | Grantham | 1:25.89 |
| 7 | 26 | Isobel ALLSOP | 14 | Grantham | 1:25.38 |
| 8 | 27 | Grace HOWITT | 15 | Grantham | 1:21.16 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | Erin NORTON | 14 | Boston | 1:20.81 |
| 2 | 29 | Maddison HODGIN | 14 | Co Lincoln P | 1:20.01 |
| 3 | 30 | Emilija IVANOVA | 15 | Boston | 1:19.48 |
| 4 | 31 | Amy TAYLOR | 13 | Grantham | 1:18.98 |
| 5 | 32 | Isla GRAY | 14 | Grantham | 1:18.71 |
| 6 | 33 | Megan RUTT | 14 | Boston | 1:17.14 |
| 7 | 34 | Elysia SMITH | 14 | Louth | 1:15.62 |
| 8 | 35 | Harriet MCCORMACK | 14 | Grantham | 1:14.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Amelia BIRD | 13 | Skegness | 1:12.87 |
| 2 | 39 | Sophie COOKSEY | 14 | Louth | 1:12.43 |
| 3 | 41 | Megan BROWN | 15 | Grantham | 1:09.26 |
| 4 | 43 | Katie MALONEY | 27 | Louth | 1:03.32 |
| 5 | 42 | Grace TURNER | 17 | Grantham | 1:07.26 |
| 6 | 40 | Skye HOLMES | 14 | Louth | 1:11.82 |
| 7 | 38 | Emilia THORNLEY-PAYNE | 16 | Boston | 1:12.78 |
| 8 | 36 | Ellena HOWITT | 13 | Grantham | 1:13.50 |