EVENT 203 Girls 09 Yrs/Over 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Izabella ZANIEWSKA | 10 | Boston | 1:15.66 |
| 4 | 2 | Emily CLAYTON | 9 | Grantham | 1:15.00 |
| 5 | 3 | Evangeline KINNEAR | 9 | Grantham | 1:13.33 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Hollie-Ann CROOK | 9 | Grantham | 1:10.00 |
| 2 | 5 | Abigail TAYLOR | 9 | Grantham | 1:07.13 |
| 3 | 6 | Abigail SMITH | 11 | Grantham | 1:04.83 |
| 4 | 7 | Maddie SURTEES | 10 | Grantham | 1:02.57 |
| 5 | 8 | Helena HAMILTON | 11 | Grantham | 58.53 |
| 6 | 9 | Sophie GILL | 11 | Grantham | 58.36 |
| 7 | 10 | Ella KHAMA | 9 | Grantham | 58.19 |
| 8 | 12 | Lucy KINCH | 10 | Gainsborough | 56.19 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Eden DYSON | 11 | Grantham | 54.63 |
| 2 | 14 | Ava-Grace GREGORY | 11 | Grantham | 54.44 |
| 3 | 15 | Laci BEDFORD | 10 | Boston | 53.13 |
| 4 | 16 | Tilly ATKINSON | 10 | Gainsborough | 52.36 |
| 5 | 17 | Elisabeth KINNEAR | 13 | Grantham | 51.31 |
| 6 | 18 | Poppy HATHWAY | 11 | Grantham | 50.86 |
| 7 | 19 | Ella HE | 10 | Gainsborough | 50.01 |
| 8 | 20 | Eva HART | 12 | Grantham | 49.98 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Ivy WEBB | 11 | March | 49.05 |
| 2 | 22 | Isabelle CLAYTON | 10 | Grantham | 48.94 |
| 3 | 23 | Isla-Rose WILDISH | 9 | Retford | 48.81 |
| 4 | 24 | Sophie PERKINS | 11 | Grantham | 48.73 |
| 5 | 25 | Lucy BARRATT | 10 | Gainsborough | 48.64 |
| 6 | 26 | Elizabeth LERESCHE HAN | 11 | Grantham | 47.83 |
| 7 | 27 | Amelie MORRIS | 11 | Boston | 46.91 |
| 8 | 28 | Brooke CAIN | 12 | March | 46.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Emilia MACIJAUSKAITE | 13 | Boston | 45.94 |
| 2 | 30 | Lucy OSBORNE | 11 | Gainsborough | 45.50 |
| 3 | 31 | Charlotte GILL | 14 | Grantham | 45.17 |
| 4 | 32 | Imogen SIMCOX | 11 | Gainsborough | 45.02 |
| 5 | 33 | Kitty PAYNE | 12 | March | 44.60 |
| 6 | 34 | Shelby THORLBY | 17 | Boston | 44.56 |
| 7 | 35 | Cobra THORLBY | 13 | Boston | 44.00 |
| 8 | 36 | Abbie MACKIE | 13 | March | 43.65 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Sascha NEL | 12 | Grantham | 42.40 |
| 2 | 38 | Mia PARAPIJONAVICIUTE | 14 | Grantham | 42.36 |
| 3 | 39 | Lucy ABBOTT | 11 | Grantham | 42.27 |
| 4 | 40 | Alicia-Rose OSWIN | 15 | Boston | 42.17 |
| 5 | 41 | Niamh O'DONOGHUE | 11 | March | 41.99 |
| 6 | 42 | Bryony SIMCOX | 13 | Gainsborough | 41.97 |
| 7 | 43 | Annie WEBSTER | 11 | Grantham | 41.77 |
| 8 | 44 | Emily SMITH | 13 | Boston | 40.97 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 45 | Ellena HOWITT | 12 | Grantham | 40.97 |
| 2 | 46 | Issy HIND | 13 | Gainsborough | 40.95 |
| 3 | 47 | Amy TAYLOR | 12 | Grantham | 40.23 |
| 4 | 48 | Seren STAPLEY-RANDALL | 11 | March | 40.20 |
| 5 | 49 | Emilija IVANOVA | 14 | Boston | 40.20 |
| 6 | 50 | Harriet MCCORMACK | 13 | Grantham | 39.97 |
| 7 | 51 | Darcey WOOD | 11 | Grantham | 39.90 |
| 8 | 52 | Elena ALDENHOFF-KELLY | 14 | Grantham | 39.82 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 53 | Isla GRAY | 13 | Grantham | 39.77 |
| 2 | 54 | Millie BAILEY | 14 | Grantham | 39.66 |
| 3 | 55 | Lucy WILLATTS | 11 | Grantham | 39.52 |
| 4 | 56 | Amelie VENABLES | 11 | Retford | 38.89 |
| 5 | 57 | Tegan PHILLIPS | 15 | Skegness | 38.75 |
| 6 | 58 | Vilte ROPEIKAITE | 14 | Boston | 38.72 |
| 7 | 59 | Amelia HATHWAY | 14 | Grantham | 38.67 |
| 8 | 60 | Grace HOWITT | 14 | Grantham | 38.17 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 61 | Alexa WRIGHT | 15 | Grantham | 37.87 |
| 2 | 62 | Martha CAMPBELL | 15 | Melton M'bry | 37.24 |
| 3 | 63 | Holly GRIFFIN | 16 | Grantham | 37.16 |
| 4 | 64 | Grace WEBB | 15 | March | 37.10 |
| 5 | 65 | Lillie HARRIS | 15 | Sherwood | 36.98 |
| 6 | 67 | Rianna ABBOTT | 15 | Grantham | 35.99 |
| 7 | 68 | Jessica-Rose DAVISON | 13 | Grantham | 35.39 |
| 8 | 70 | Megan BROWN | 13 | Grantham | 34.22 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 72 | Emilie WEBB | 13 | Grantham | 34.02 |
| 2 | 74 | Chloe HOPKINSON | 18 | Grantham | 33.17 |
| 3 | 76 | Charlotte BYRON | 15 | Melton M'bry | 32.67 |
| 4 | 78 | Grace TURNER | 15 | Grantham | 31.50 |
| 5 | 77 | Evie TURNER | 17 | Grantham | 32.00 |
| 6 | 75 | Alexandra HALLAM-STOTT | 17 | Grantham | 32.87 |
| 7 | 73 | Evie COBURN | 14 | Melton M'bry | 33.55 |
| 8 | 71 | Corey FARLEY | 14 | Grantham | 34.04 |