EVENT 209 Female 09 /Over 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Emily CLAYTON | 9 | Grantham | 4:55.68 |
| 4 | 3 | Maddie SURTEES | 11 | Grantham | 4:38.87 |
| 5 | 2 | Isobel DELDERFIELD | 10 | Co Lincoln P | 4:50.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Matilda MCDONNELL | 11 | Grantham | 4:30.00 |
| 2 | 6 | Olivia LAUD | 11 | South Lincs | 3:59.46 |
| 3 | 8 | Jessica WORTH | 12 | South Lincs | 3:57.20 |
| 4 | 10 | Susannah POLL | 11 | South Lincs | 3:49.01 |
| 5 | 9 | Phoebe CHARMAN | 14 | Lincoln TSA | 3:49.94 |
| 6 | 7 | Ava-Grace GREGORY | 11 | Grantham | 3:58.60 |
| 7 | 5 | Luiza KOZIOL | 15 | Lincoln TSA | 4:10.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Imogen ROTHWELL | 12 | Co Lincoln P | 3:39.20 |
| 2 | 14 | Lucy JENKINSON | 12 | Deepings | 3:31.40 |
| 3 | 16 | Isabella CIUBERKYTE | 12 | South Lincs | 3:30.86 |
| 4 | 18 | Karolina UZPELKE | 14 | South Lincs | 3:28.87 |
| 5 | 17 | Grace HOWITT | 15 | Grantham | 3:29.20 |
| 6 | 15 | Florence HENDERSON | 11 | Lincoln Vulc | 3:31.23 |
| 7 | 13 | Caitlin CLIFTON | 14 | Lincoln TSA | 3:32.37 |
| 8 | 11 | Janna SCHUERCH | 13 | Co Lincoln P | 3:39.61 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Charlotte TURNER | 13 | Lincoln Vulc | 3:26.15 |
| 2 | 24 | Evelyn RUSSELL | 13 | Lincoln Vulc | 3:10.87 |
| 3 | 26 | Jessica HERRIOTT | 15 | South Lincs | 3:06.71 |
| 4 | 28 | Isobel ALLSOP | 14 | Grantham | 2:56.50 |
| 5 | 27 | Liv SPENCER | 17 | Lincoln Vulc | 3:02.57 |
| 6 | 25 | Karolina PARKINSON | 13 | Lincoln Vulc | 3:08.56 |
| 7 | 23 | Harriet MCCORMACK | 14 | Grantham | 3:11.98 |
| 8 | 19 | Elizabeth LERESCHE HAN | 12 | Grantham | 3:27.76 |