EVENT 208 Girls 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Evangeline KINNEAR | 10 | Grantham | 1:06.80 |
| 3 | 2 | Emmeline GLEAVE | 8 | Grantham | 1:03.34 |
| 4 | 3 | Emily CLAYTON | 9 | Grantham | 1:01.86 |
| 5 | 4 | Abigail TAYLOR | 9 | Grantham | 1:00.87 |
| 6 | 5 | Juliette KIM | 8 | Grantham | 59.68 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Hollie-Ann CROOK | 9 | Grantham | 53.93 |
| 2 | 7 | Madeline SURTEES | 11 | Grantham | 52.92 |
| 3 | 8 | F PERRATON-WILLIAMS | 11 | Grantham | 52.89 |
| 4 | 9 | Sophie GILL | 12 | Grantham | 52.64 |
| 5 | 10 | Elisabeth KINNEAR | 13 | Grantham | 51.20 |
| 6 | 11 | Ella Bele KHAMA | 9 | Grantham | 51.03 |
| 7 | 12 | Helena HAMILTON | 12 | Grantham | 50.99 |
| 8 | 13 | Ava-Grace GREGORY | 11 | Grantham | 50.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Elizabeth JONES | 13 | Grantham | 49.34 |
| 2 | 15 | Eden DYSON | 12 | Grantham | 47.95 |
| 3 | 16 | Sophie PERKINS | 12 | Grantham | 47.67 |
| 4 | 17 | Isabelle CLAYTON | 11 | Grantham | 46.22 |
| 5 | 18 | Charlotte GILL | 15 | Grantham | 45.17 |
| 6 | 19 | Poppy HATHWAY | 12 | Grantham | 44.32 |
| 7 | 20 | Octavia SHEARN | 11 | Grantham | 43.80 |
| 8 | 21 | E LERESCHE HANDS | 12 | Grantham | 42.56 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Mia PARAPIJONAVICIUTE. | 14 | Grantham | 42.20 |
| 2 | 23 | Annie WEBSTER | 11 | Grantham | 41.44 |
| 3 | 24 | Eva HART | 13 | Grantham | 40.99 |
| 4 | 25 | Lexie SHEWAN | 13 | Grantham | 39.90 |
| 5 | 26 | Amy TAYLOR | 12 | Grantham | 39.88 |
| 6 | 27 | Sascha NEL | 13 | Grantham | 39.49 |
| 7 | 28 | Amelia HATHWAY | 14 | Grantham | 38.53 |
| 8 | 29 | Isla GRAY | 13 | Grantham | 38.25 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Grace HOWITT | 14 | Grantham | 38.17 |
| 2 | 31 | Ellena HOWITT | 12 | Grantham | 37.98 |
| 3 | 32 | Alexa WRIGHT | 15 | Grantham | 37.87 |
| 4 | 33 | Darcey WOOD | 12 | Grantham | 37.63 |
| 5 | 34 | Harriet MCCORMACK | 14 | Grantham | 37.43 |
| 6 | 35 | Lucy WILLATTS | 12 | Grantham | 36.67 |
| 7 | 36 | Jemma MUNRO | 15 | Grantham | 36.40 |
| 8 | 37 | Sophie WARD | 14 | Grantham | 36.20 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 39 | Isobel ALLSOP | 13 | Grantham | 35.70 |
| 2 | 41 | Holly GRIFFIN | 17 | Grantham | 34.46 |
| 3 | 43 | Emilie WEBB | 13 | Grantham | 34.02 |
| 4 | 45 | Grace TURNER | 16 | Grantham | 31.50 |
| 5 | 44 | Evie TURNER | 17 | Grantham | 32.00 |
| 6 | 42 | Megan BROWN | 14 | Grantham | 34.22 |
| 7 | 40 | Jessica - Rose DAVISON | 14 | Grantham | 34.73 |
| 8 | 38 | Rianna ABBOTT | 15 | Grantham | 35.99 |