EVENT 205 Female 09 /Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Holly PEARSON | 10 | Grantham | |
| 4 | 2 | Tabitha GODDARD | 9 | Grantham | |
| 5 | 3 | Elsie WENTWORTH | 11 | Lincoln Vulc | 2:19.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Penelope WILKINSON | 11 | Grantham | 2:13.70 |
| 2 | 5 | Jemima-Blu BRENNAN | 9 | Gainsborough | 2:10.00 |
| 3 | 6 | Evelynn HONE | 9 | Lincoln Vulc | 2:10.00 |
| 4 | 7 | Megan PERKIN | 11 | Lincoln Vulc | 2:09.73 |
| 5 | 8 | Annabelle HALLGARTH | 9 | Sherwood | 2:07.83 |
| 6 | 9 | Evalyn FIXTER | 11 | Sherwood | 2:07.36 |
| 7 | 10 | Gracie PAYNE | 12 | Grantham | 2:06.74 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Sophia CUFFLEY | 10 | Lincoln Vulc | 2:03.19 |
| 2 | 12 | Matilda HARPER | 10 | Grantham | 2:02.82 |
| 3 | 13 | Ginny PARNHAM | 12 | Lincoln Vulc | 2:01.19 |
| 4 | 14 | Jessica REEVES | 12 | Lincoln Vulc | 1:58.11 |
| 5 | 15 | Poppy DONALDSON | 14 | Gainsborough | 1:57.60 |
| 6 | 16 | Isla GARNETT | 11 | Lincoln Vulc | 1:56.97 |
| 7 | 17 | Izabelle BURTON | 11 | Newark | 1:56.90 |
| 8 | 18 | Martha WOOD | 9 | Grantham | 1:56.27 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Kaia MAPXENCAR | 12 | Sherwood | 1:56.17 |
| 2 | 20 | Martha HODSON | 9 | Newark | 1:54.70 |
| 3 | 21 | Hollie FORSYTH | 10 | Lincoln Vulc | 1:54.35 |
| 4 | 22 | Evangeline KINNEAR | 12 | Grantham | 1:54.10 |
| 5 | 23 | Poppy BRODIE | 13 | Grantham | 1:51.61 |
| 6 | 24 | Amelia BELL | 14 | Lincoln Vulc | 1:50.70 |
| 7 | 25 | Ada PAGE | 10 | Grantham | 1:50.66 |
| 8 | 26 | Esme EVANS | 12 | Grantham | 1:50.37 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Evelyn NICHOLLS | 12 | Grantham | 1:48.61 |
| 2 | 28 | Juliette KIM | 11 | Newark | 1:46.32 |
| 3 | 29 | Maisie DARBY | 15 | Lincoln Vulc | 1:46.15 |
| 4 | 30 | C TOH-GRUDZINSKI | 10 | Lincoln Vulc | 1:45.70 |
| 5 | 31 | Florence HARPER | 13 | Grantham | 1:44.80 |
| 6 | 32 | Simi MAPXENCAR | 14 | Sherwood | 1:44.62 |
| 7 | 33 | Chloe APPLEWHITE | 10 | Gainsborough | 1:43.06 |
| 8 | 34 | Emmeline GLEAVE | 10 | Grantham | 1:42.69 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Abigail TAYLOR | 12 | Grantham | 1:42.66 |
| 2 | 36 | Octavia SHEARN | 13 | Grantham | 1:41.21 |
| 3 | 37 | Jessica SPECK | 15 | Lincoln Vulc | 1:40.87 |
| 4 | 38 | Freya BOWLES | 14 | Gainsborough | 1:40.19 |
| 5 | 39 | Rowan OSBORNE | 15 | Lincoln Vulc | 1:40.00 |
| 6 | 40 | Annabel HILLSON | 11 | Grantham | 1:39.58 |
| 7 | 41 | Ava-Grace GREGORY | 14 | Grantham | 1:39.35 |
| 8 | 42 | Hollie-Ann CROOK | 12 | Grantham | 1:39.30 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 43 | Marianne SMITH | 14 | Newark | 1:37.20 |
| 2 | 44 | Caitlin BOWLES | 12 | Gainsborough | 1:37.03 |
| 3 | 45 | Ella-Rose HUNTER | 13 | Lincoln Vulc | 1:36.44 |
| 4 | 46 | Honey FLOWER | 11 | Grantham | 1:34.95 |
| 5 | 47 | Ruby WHITEHEAD | 16 | Newark | 1:34.70 |
| 6 | 48 | Jessica ROBERTS | 15 | Lincoln Vulc | 1:34.67 |
| 7 | 49 | Colette GRANTHAM | 12 | Lincoln Vulc | 1:33.97 |
| 8 | 50 | Robyn CROSS | 13 | Lincoln Vulc | 1:33.52 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 51 | Arin ELVIDGE | 12 | Lincoln Vulc | 1:33.37 |
| 2 | 52 | Madeline SURTEES | 13 | Grantham | 1:33.33 |
| 3 | 53 | Isabelle CLAYTON | 13 | Grantham | 1:32.88 |
| 4 | 54 | Caitlin CROSS | 13 | Lincoln Vulc | 1:32.72 |
| 5 | 55 | Ellena HOWITT | 15 | Grantham | 1:31.81 |
| 6 | 56 | Ella KHAMA | 12 | Grantham | 1:31.72 |
| 7 | 57 | Ruby TALKES | 10 | Lincoln Vulc | 1:30.72 |
| 8 | 58 | Abbey HURST-YATES | 15 | Newark | 1:29.60 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 60 | Alice SOWDEN | 11 | Gainsborough | 1:28.50 |
| 2 | 62 | Evie NEWMAN | 13 | Lincoln Vulc | 1:27.37 |
| 3 | 64 | Mia PARAPIJONAVICIUTE | 17 | Grantham | 1:24.65 |
| 4 | 66 | Robyn STEEL | 13 | Co Lincoln P | 1:22.55 |
| 5 | 65 | Amy TAYLOR | 15 | Grantham | 1:24.30 |
| 6 | 63 | Freya SHARPE | 13 | Lincoln Vulc | 1:26.43 |
| 7 | 61 | Isla LORMOR | 13 | Gainsborough | 1:27.63 |
| 8 | 59 | Grace HOWITT | 17 | Grantham | 1:28.92 |