EVENT 207 Female 09 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jia CHEN-REES | 9 | Grantham | |
| 2 | 2 | Tabitha GODDARD | 9 | Grantham | 1:05.80 |
| 3 | 3 | Imola HARRIS | 10 | Grantham | 59.85 |
| 4 | 4 | Georgia HUNT | 11 | Grantham | 59.25 |
| 5 | 5 | Matilda HARPER | 10 | Grantham | 56.05 |
| 6 | 6 | Maja BALL | 10 | Grantham | 55.00 |
| 7 | 7 | Ada PAGE | 10 | Grantham | 52.39 |
| 8 | 8 | Bethany MEAKIN | 12 | Grantham | 52.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Gracie PAYNE | 13 | Grantham | 51.44 |
| 2 | 10 | Caitlin IZOD | 13 | Grantham | 51.39 |
| 3 | 11 | Sophia WRIGHT | 10 | Grantham | 50.71 |
| 4 | 12 | Tilly WASKETT-BOOTH | 10 | Grantham | 50.35 |
| 5 | 13 | Norah GIBSON | 11 | Grantham | 48.18 |
| 6 | 14 | Annabel HILLSON | 11 | Grantham | 47.86 |
| 7 | 15 | Yu Tsing (Trixie) CHEU | 13 | Grantham | 47.65 |
| 8 | 16 | Martha WOOD | 10 | Grantham | 46.43 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Evelyn NICHOLLS | 13 | Grantham | 46.02 |
| 2 | 18 | Francesca WESTON | 11 | Grantham | 45.48 |
| 3 | 19 | Florence HARPER | 13 | Grantham | 45.33 |
| 4 | 20 | Matilda MCDONNELL | 13 | Grantham | 45.25 |
| 5 | 21 | Chloe GOACHER | 13 | Grantham | 43.02 |
| 6 | 22 | Evangeline KINNEAR | 13 | Grantham | 42.16 |
| 7 | 23 | Olivia CHARITY | 14 | Grantham | 41.94 |
| 8 | 24 | Isabelle CLAYTON | 14 | Grantham | 40.51 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Madeline SURTEES | 14 | Grantham | 39.93 |
| 2 | 26 | Emmeline GLEAVE | 11 | Grantham | 38.66 |
| 3 | 27 | Honey FLOWER | 12 | Grantham | 37.36 |
| 4 | 28 | Juliette KING | 14 | Grantham | 36.63 |
| 5 | 29 | Ava-Grace GREGORY | 14 | Grantham | 36.52 |
| 6 | 30 | Lexie SHEWAN | 16 | Grantham | 36.49 |
| 7 | 31 | Octavia SHEARN | 14 | Grantham | 36.16 |
| 8 | 32 | Mia PARAPIJONAVICIUTE | 17 | Grantham | 35.41 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 33 | Ella KHAMA | 12 | Grantham | 35.33 |
| 2 | 34 | Lucy ABBOTT | 14 | Grantham | 35.28 |
| 3 | 35 | Hollie-Ann CROOK | 12 | Grantham | 35.09 |
| 4 | 36 | Isla GRAY | 16 | Grantham | 33.83 |
| 5 | 37 | Lucy WILLATTS | 15 | Grantham | 33.50 |
| 6 | 38 | Amy TAYLOR | 15 | Grantham | 33.38 |
| 7 | 39 | Chloe HOPKINSON | 21 | Grantham | 33.20 |
| 8 | 40 | Sophie WARD | 17 | Grantham | 32.63 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Ruby TALKES | 10 | Grantham | 31.57 |
| 2 | 44 | Annabelle JAY | 15 | Grantham | 30.78 |
| 3 | 46 | Emilie WEBB | 16 | Grantham | 30.66 |
| 4 | 48 | Ellena HOWITT | 15 | Grantham | 30.06 |
| 5 | 47 | Grace TURNER | 19 | Grantham | 30.14 |
| 6 | 45 | Emily TALKES | 14 | Grantham | 30.73 |
| 7 | 43 | Darcey WOOD | 15 | Grantham | 31.48 |
| 8 | 41 | Isobel ALLSOP | 16 | Grantham | 32.57 |