EVENT 211 Female 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Esme EVANS | 11 | Grantham | |
| 3 | 2 | Lydia EVANS | 12 | Co Lincoln P | 1:39.71 |
| 4 | 3 | Emmeline GLEAVE | 10 | Grantham | 1:37.58 |
| 5 | 4 | Charlotte MIDDLEBROOK | 11 | Retford | 1:36.80 |
| 6 | 5 | Katie BEASTALL | 12 | Co Lincoln P | 1:36.70 |
| 7 | 6 | Eva MADDISON | 11 | Co Lincoln P | 1:36.44 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Scarlett ROBERTS | 11 | Lincoln Vulc | 1:36.42 |
| 2 | 8 | Evie DAVIES | 13 | Deepings | 1:32.60 |
| 3 | 9 | Kaylee HEMMINGS | 10 | Lincoln Vulc | 1:31.59 |
| 4 | 10 | Anastasiia KUDRIAVETS | 13 | Deepings | 1:31.48 |
| 5 | 11 | Izabella ZANIEWSKA | 13 | Boston | 1:28.79 |
| 6 | 12 | Ava-Grace GREGORY | 13 | Grantham | 1:26.85 |
| 7 | 13 | Hollie-Ann CROOK | 11 | Grantham | 1:25.80 |
| 8 | 14 | Ana BASCARAU | 13 | Boston | 1:24.32 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Ekaterina KARUBOVA | 14 | Lincoln Vulc | 1:22.60 |
| 2 | 16 | Lexie SHEWAN | 15 | Grantham | 1:22.34 |
| 3 | 17 | Emily PENNELL | 15 | Co Lincoln P | 1:22.17 |
| 4 | 18 | Charlotte WELGEMOED | 14 | Co Lincoln P | 1:21.48 |
| 5 | 19 | Grace HOWITT | 17 | Grantham | 1:20.93 |
| 6 | 20 | Iris FRENCH | 15 | Lincoln Vulc | 1:20.01 |
| 7 | 21 | Emily HUNT | 15 | Lincoln Vulc | 1:18.95 |
| 8 | 22 | Olivia KING | 14 | Deepings | 1:17.69 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Erin NORTON | 15 | Boston | 1:16.75 |
| 2 | 26 | Emilia THORNLEY-PAYNE | 17 | Boston | 1:15.54 |
| 3 | 28 | Remi-leigh BERRY | 13 | Co Lincoln P | 1:14.19 |
| 4 | 30 | Ellena HOWITT | 14 | Grantham | 1:09.73 |
| 5 | 29 | Annabelle JAY | 14 | Grantham | 1:13.44 |
| 6 | 27 | Lottie Ava FLATTERS | 13 | Deepings | 1:15.04 |
| 7 | 25 | Emilija IVANOVA | 16 | Boston | 1:15.65 |
| 8 | 23 | Peyton BRIGHT | 14 | Lincoln Vulc | 1:16.80 |