EVENT 406 Womens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 2 | Helena MOLE | 14 | | Wolv'hampton | 1:08.69 |
| 4 | 4 | Holly GREGORY | 15 | | Bilston | 1:08.46 |
| 5 | 3 | Madeleine BARNES | 15 | | Grantham | 1:08.60 |
| 6 | 1 | Megan NEAVE | 14 | S14 | Co Derby | 1:33.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 6 | Alex JAMIESON | 15 | | Team Mercia | 1:08.30 |
| 2 | 8 | Emily GORDON | 21 | | Boldmere | 1:08.10 |
| 3 | 10 | Charlotte HALL | 16 | | Worcester | 1:07.94 |
| 4 | 12 | Eleanor BAINBRIDGE | 14 | | Ellesmere Co | 1:07.71 |
| 5 | 11 | Ruby O'BRIEN | 19 | | Team Mercia | 1:07.80 |
| 6 | 9 | Lauren CLARK | 15 | | Co Derby | 1:08.00 |
| 7 | 7 | Molly COLBERT | 16 | | Grantham | 1:08.10 |
| 8 | 5 | Chloe HARRIS | 12 | | Royal Wolv | 1:08.35 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 14 | Ella TOWNSON | 15 | | Wrekin Coll | 1:07.30 |
| 2 | 16 | Bethany EAGLE-BROWN | 14 | | Deepings | 1:06.90 |
| 3 | 18 | Kieva CLEGG | 16 | | Boston | 1:06.70 |
| 4 | 20 | Madeleine HOARE | 15 | | Co Coventry | 1:06.36 |
| 5 | 19 | Natasha UTLEY | 15 | | Retford | 1:06.54 |
| 6 | 17 | Abbie HULBERT | 15 | | Co Derby | 1:06.80 |
| 7 | 15 | Emma PAY | 20 | | Stourbridge | 1:07.10 |
| 8 | 13 | Ella POOLE | 14 | | Northampton | 1:07.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 22 | Jessica GILLATT | 20 | | Retford | 1:06.30 |
| 2 | 24 | Caitlin MULLINS | 15 | | Co Lincoln P | 1:06.20 |
| 3 | 26 | Michaela STEPHEN | 15 | | Co Derby | 1:05.30 |
| 4 | 28 | Daisy PLATTS | 17 | | Co Leicester | 1:05.00 |
| 5 | 27 | Abigail FARKAS | 15 | | Grantham | 1:05.18 |
| 6 | 25 | Megan DEAN | 15 | | Wolv'hampton | 1:05.90 |
| 7 | 23 | Amelia RODD | 15 | | Redditch | 1:06.20 |
| 8 | 21 | Abbie PHILLIPS | 15 | | Grantham | 1:06.30 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 32 | Isobel HUME | 15 | | Northampton | 1:04.40 |
| 2 | 38 | Betsy WIZARD | 14 | | Northampton | 1:03.54 |
| 3 | 44 | Lauren PATE | 20 | | Cosacss | 1:02.40 |
| 4 | 50 | Isabel SPINLEY | 17 | | Deepings | 58.90 |
| 5 | 47 | Maisie ELLIOTT | 14 | | Co Leicester | 1:00.70 |
| 6 | 41 | Bailie HARRISON | 17 | | Deepings | 1:02.80 |
| 7 | 35 | Abagael WALMSLEY | 15 | | Ellesmere Co | 1:03.80 |
| 8 | 29 | Kelsie GEARY | 16 | | Derventio | 1:04.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 33 | Molly QUELCH | 15 | | Team Mercia | 1:04.00 |
| 2 | 39 | Alice SMAIL | 17 | | Ellesmere Co | 1:03.50 |
| 3 | 45 | Ellinor SOUTHWARD | 16 | | Ellesmere Co | 1:01.40 |
| 4 | 51 | Amelia CLYNES | 18 | | Loughboro Un | 58.90 |
| 5 | 48 | Pia MURRAY | 15 | | Ellesmere Co | 1:00.20 |
| 6 | 42 | Zara LELEUX | 16 | | Wrekin Coll | 1:02.70 |
| 7 | 36 | Anna SMAIL | 15 | | Ellesmere Co | 1:03.70 |
| 8 | 30 | Ninah STRYDOM | 17 | | Ellesmere Co | 1:04.60 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 34 | Jessica MCDONOUGH | 15 | | Ellesmere Co | 1:03.90 |
| 2 | 40 | Summer KENNEDY | 16 | | Derventio | 1:03.00 |
| 3 | 46 | Sophie YENDELL | 15 | | Co Derby | 1:01.10 |
| 4 | 52 | Harriet WEST | 20 | | Loughboro Un | 58.60 |
| 5 | 49 | Freya ANDERSON | 16 | | Ellesmere Co | 59.50 |
| 6 | 43 | Milly SCOTCHBROOK | 17 | | Co Leicester | 1:02.40 |
| 7 | 37 | Amy GRANT | 18 | | Loughboro Un | 1:03.70 |
| 8 | 31 | Ellie TENNANT | 16 | | Derventio | 1:04.50 |