EVENT 506 Female 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Megan Blair | 14 | Coalville | 1:09.20 |
| 3 | 3 | Sofia Reedha | 14 | Co Leicester | 1:08.98 |
| 4 | 5 | Isla Johnson | 14 | BelperMarlin | 1:08.83 |
| 5 | 4 | Olivia Faustmann | 14 | Leic Sharks | 1:08.91 |
| 6 | 2 | Sadie Llewellyn | 16 | Repton | 1:09.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Emily Hewitt | 15 | Hinckley | 1:08.25 |
| 2 | 9 | McKinley Rae Cotton | 17 | Etwall | 1:07.70 |
| 3 | 11 | Orna Lett | 15 | Northampton | 1:06.60 |
| 4 | 13 | C Callaghan-Wetton | 16 | Nova Cent'n | 1:06.48 |
| 5 | 12 | Katie Maloney | 28 | Newark | 1:06.60 |
| 6 | 10 | Martha Manson | 13 | Repton | 1:07.10 |
| 7 | 8 | Imogen Howitt | 13 | Bassetlaw SS | 1:08.13 |
| 8 | 6 | Chloe Gent | 15 | Co Leicester | 1:08.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Victoria Hudson | 16 | Co Leicester | 1:06.30 |
| 2 | 17 | I Parsons-Loades | 14 | Repton | 1:06.20 |
| 3 | 19 | Anna Clarke | 16 | Co Leicester | 1:05.95 |
| 4 | 21 | Connie Rennard | 17 | Repton | 1:05.56 |
| 5 | 20 | Anais Kirby | 15 | Co Leicester | 1:05.70 |
| 6 | 18 | Jessica Lines | 16 | Co Leicester | 1:06.19 |
| 7 | 16 | Elsie Hatton | 13 | Repton | 1:06.20 |
| 8 | 14 | Maya Almohammed | 15 | Repton | 1:06.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Summer Chirita | 13 | Repton | 1:04.60 |
| 2 | 31 | Olivia Beard | 17 | Bramcote | 1:03.76 |
| 3 | 37 | Mae Singer | 20 | Lboro Uni | 1:02.10 |
| 4 | 43 | Lucy Fox | 19 | Lboro Uni | 59.30 |
| 5 | 40 | Lydia Cordle | 15 | Repton | 59.89 |
| 6 | 34 | Lucy Turner | 20 | Lboro Uni | 1:02.90 |
| 7 | 28 | Olivia Anstey | 17 | Louth | 1:04.32 |
| 8 | 22 | Holly Coleman | 14 | Corby | 1:05.30 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Eleanor Bevan | 19 | Derby Excel | 1:04.40 |
| 2 | 32 | Janie Finch | 15 | Co Leicester | 1:03.10 |
| 3 | 38 | Holly Josselin | 13 | Repton | 1:01.42 |
| 4 | 44 | Betsy Wizard | 22 | Northampton | 58.03 |
| 5 | 41 | Sholah Robinson | 19 | Lboro Uni | 59.39 |
| 6 | 35 | Eloise Cole | 17 | Repton | 1:02.80 |
| 7 | 29 | Darcie Platts | 17 | Co Leicester | 1:03.90 |
| 8 | 23 | Kate Schillinger | 15 | Repton | 1:04.87 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Asma Le Falher | 20 | Lboro Uni | 1:04.32 |
| 2 | 33 | Miley Aram | 16 | Derby Excel | 1:03.00 |
| 3 | 39 | Lucia Lesti | 16 | Repton | 1:00.80 |
| 4 | 45 | Georgie Pryor | 27 | Derby Excel | 57.33 |
| 5 | 42 | Holly Hibbott | 26 | Repton | 59.30 |
| 6 | 36 | Alyssa Lo | 17 | Co Leicester | 1:02.30 |
| 7 | 30 | Connie Bunhejee | 14 | Derby Excel | 1:03.80 |
| 8 | 24 | Lara Treharne | 18 | Uni of Nott | 1:04.65 |