EVENT 106 Female 09 /Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Maja BALL | 10 | Grantham | |
| 4 | 2 | Bethany MEAKIN | 12 | Grantham | |
| 5 | 3 | Tabitha GODDARD | 9 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Imola HARRIS | 10 | Grantham | |
| 2 | 5 | Norah GIBSON | 11 | Grantham | |
| 3 | 6 | Holly PEARSON | 10 | Grantham | |
| 4 | 7 | Jia CHEN-REES | 9 | Grantham | |
| 5 | 8 | Georgia HUNT | 11 | Grantham | 2:13.07 |
| 6 | 9 | Penelope WILKINSON | 12 | Grantham | 2:12.48 |
| 7 | 10 | Gracie PAYNE | 13 | Grantham | 2:06.74 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Sophia WRIGHT | 10 | Grantham | 2:04.65 |
| 2 | 12 | Matilda HARPER | 10 | Grantham | 2:02.82 |
| 3 | 13 | Tilly WASKETT-BOOTH | 10 | Grantham | 1:57.30 |
| 4 | 14 | Olivia CHARITY | 14 | Grantham | 1:53.98 |
| 5 | 15 | Ada PAGE | 10 | Grantham | 1:50.66 |
| 6 | 16 | Esme EVANS | 12 | Grantham | 1:50.37 |
| 7 | 17 | Matilda MCDONNELL | 13 | Grantham | 1:46.70 |
| 8 | 18 | Evelyn NICHOLLS | 13 | Grantham | 1:45.95 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Martha WOOD | 10 | Grantham | 1:45.88 |
| 2 | 20 | Elisabeth KINNEAR | 16 | Grantham | 1:45.48 |
| 3 | 21 | Florence HARPER | 13 | Grantham | 1:44.80 |
| 4 | 22 | Evangeline KINNEAR | 13 | Grantham | 1:44.42 |
| 5 | 23 | Emmeline GLEAVE | 11 | Grantham | 1:42.69 |
| 6 | 24 | Chloe GOACHER | 13 | Grantham | 1:41.97 |
| 7 | 25 | Francesca WESTON | 11 | Grantham | 1:41.36 |
| 8 | 26 | Octavia SHEARN | 14 | Grantham | 1:41.21 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Annabel HILLSON | 11 | Grantham | 1:39.58 |
| 2 | 28 | Juliette KING | 14 | Grantham | 1:38.95 |
| 3 | 29 | Ava-Grace GREGORY | 14 | Grantham | 1:38.79 |
| 4 | 30 | Hollie-Ann CROOK | 12 | Grantham | 1:36.29 |
| 5 | 31 | Madeline SURTEES | 14 | Grantham | 1:33.28 |
| 6 | 32 | Elena ALDENHOFF-KELLY | 18 | Grantham | 1:33.09 |
| 7 | 33 | Lucy ABBOTT | 14 | Grantham | 1:32.94 |
| 8 | 34 | Isabelle CLAYTON | 14 | Grantham | 1:32.88 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Ellena HOWITT | 15 | Grantham | 1:31.81 |
| 2 | 36 | Ella KHAMA | 12 | Grantham | 1:31.22 |
| 3 | 37 | Ruby TALKES | 10 | Grantham | 1:30.72 |
| 4 | 38 | Honey FLOWER | 12 | Grantham | 1:30.63 |
| 5 | 39 | Alex HALLAM-STOTT | 20 | Grantham | 1:30.49 |
| 6 | 40 | Emily TALKES | 14 | Grantham | 1:25.96 |
| 7 | 41 | Mia PARAPIJONAVICIUTE | 17 | Grantham | 1:24.65 |
| 8 | 42 | Amy TAYLOR | 15 | Grantham | 1:24.30 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 44 | Sophie WARD | 17 | Grantham | 1:21.84 |
| 2 | 46 | Grace TURNER | 19 | Grantham | 1:20.75 |
| 3 | 48 | Chloe HOPKINSON | 21 | Grantham | 1:17.59 |
| 4 | 50 | Grace MACDONALD | 17 | Grantham | 1:16.73 |
| 5 | 49 | Isla GRAY | 16 | Grantham | 1:17.35 |
| 6 | 47 | Isobel ALLSOP | 16 | Grantham | 1:20.05 |
| 7 | 45 | Annabelle JAY | 15 | Grantham | 1:21.00 |
| 8 | 43 | Lucy WILLATTS | 15 | Grantham | 1:22.69 |