EVENT 104 Female 09 /Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Skye WARREN | 9 | Lincoln TSA | 2:40.00 |
| 2 | 3 | Isla ROBINSON | 10 | Co Lincoln P | 2:19.23 |
| 3 | 5 | Emily CLAYTON | 9 | Grantham | 2:15.88 |
| 4 | 7 | Alexandra BUDREVICIUTE | 11 | Co Lincoln P | 2:08.60 |
| 5 | 6 | Maddie SURTEES | 11 | Grantham | 2:09.15 |
| 6 | 4 | Isobel DELDERFIELD | 10 | Co Lincoln P | 2:18.42 |
| 7 | 2 | Faith SMITH | 14 | Lincoln TSA | 2:30.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Ruby NISBET | 9 | Grantham | 2:06.00 |
| 2 | 11 | Rosie JONES | 13 | Deepings | 1:58.98 |
| 3 | 13 | Jessica WORTH | 12 | South Lincs | 1:53.77 |
| 4 | 15 | Ava-Grace GREGORY | 11 | Grantham | 1:51.31 |
| 5 | 14 | Isabelle CLAYTON | 11 | Grantham | 1:51.38 |
| 6 | 12 | Eliza MULHOLLAND | 12 | Lincoln TSA | 1:54.01 |
| 7 | 10 | Hollie-Ann CROOK | 9 | Grantham | 2:04.14 |
| 8 | 8 | Eden DYSON | 12 | Grantham | 2:07.19 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Susannah POLL | 11 | South Lincs | 1:50.14 |
| 2 | 19 | Janna SCHUERCH | 13 | Co Lincoln P | 1:45.26 |
| 3 | 21 | Lucy JENKINSON | 12 | Deepings | 1:43.11 |
| 4 | 23 | Imogen ROTHWELL | 12 | Co Lincoln P | 1:41.51 |
| 5 | 22 | Hannah CRADOCK | 12 | Deepings | 1:42.21 |
| 6 | 20 | Florence HENDERSON | 11 | Lincoln Vulc | 1:43.16 |
| 7 | 18 | Sophie BOLTON | 12 | South Lincs | 1:45.34 |
| 8 | 16 | Emily PENNELL | 13 | Co Lincoln P | 1:50.73 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Caitlin CLIFTON | 14 | Lincoln TSA | 1:40.70 |
| 2 | 27 | Remi-leigh BERRY | 11 | Co Lincoln P | 1:39.68 |
| 3 | 29 | Juliette KING | 12 | Grantham | 1:38.95 |
| 4 | 32 | Pela TIAN-WRIGHT | 13 | South Lincs | 1:35.45 |
| 5 | 31 | Annabelle JAY | 12 | Grantham | 1:35.52 |
| 6 | 28 | Karolina UZPELKE | 14 | South Lincs | 1:39.50 |
| 7 | 26 | Isabella CIUBERKYTE | 12 | South Lincs | 1:40.06 |
| 8 | 24 | Charlotte JAY | 11 | Grantham | 1:41.24 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | Jessica BARGH | 14 | Co Lincoln P | 1:34.73 |
| 2 | 36 | Charlotte TURNER | 13 | Lincoln Vulc | 1:34.03 |
| 3 | 38 | Elizabeth LERESCHE HAN | 12 | Grantham | 1:32.81 |
| 4 | 40 | Evelyn RUSSELL | 13 | Lincoln Vulc | 1:28.56 |
| 5 | 39 | Lea HILAROWICZ | 15 | Co Lincoln P | 1:31.44 |
| 6 | 37 | Freya SHARPE | 11 | Lincoln Vulc | 1:33.74 |
| 7 | 35 | Sophia SHACKLESTON | 13 | South Lincs | 1:34.33 |
| 8 | 33 | Ellena HOWITT | 12 | Grantham | 1:34.79 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Megan LAMB | 14 | Lincoln Vulc | 1:26.46 |
| 2 | 44 | Sophie WARD | 14 | Grantham | 1:24.82 |
| 3 | 46 | Liv SPENCER | 17 | Lincoln Vulc | 1:23.94 |
| 4 | 48 | Emilie WEBB | 13 | Grantham | 1:21.85 |
| 5 | 47 | Isobel ALLSOP | 14 | Grantham | 1:23.10 |
| 6 | 45 | Jessica HERRIOTT | 15 | South Lincs | 1:24.21 |
| 7 | 43 | Amy TAYLOR | 12 | Grantham | 1:25.43 |
| 8 | 41 | Karolina PARKINSON | 13 | Lincoln Vulc | 1:27.26 |