EVENT 102 Female 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Madeline SURTEES | 12 | Grantham | |
| 3 | 2 | Evangeline KINNEAR | 11 | Grantham | |
| 4 | 3 | Scarlett ROBERTS | 11 | Lincoln Vulc | 2:10.00 |
| 5 | 4 | Emily CLAYTON | 11 | Grantham | 1:59.86 |
| 6 | 5 | Ruby TALKES | 9 | Lincoln Vulc | 1:55.00 |
| 7 | 6 | Amaya MONTEALEGRE | 11 | Lincoln Vulc | 1:53.46 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Thara PREMA | 15 | Lincoln Vulc | 1:50.00 |
| 2 | 8 | Elizabeth JONES | 14 | Grantham | 1:41.20 |
| 3 | 9 | Emmeline GLEAVE | 9 | Grantham | 1:41.12 |
| 4 | 10 | Mia JONES | 12 | March | 1:40.19 |
| 5 | 11 | Ella KHAMA | 11 | Grantham | 1:38.07 |
| 6 | 12 | Ella HE | 12 | Gainsborough | 1:36.82 |
| 7 | 13 | Ava-Grace GREGORY | 13 | Grantham | 1:36.75 |
| 8 | 14 | Harriet FEAVIOUR | 10 | March | 1:35.85 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Octavia SHEARN | 12 | Grantham | 1:35.30 |
| 2 | 16 | Isabelle CLAYTON | 12 | Grantham | 1:31.80 |
| 3 | 17 | Daisy-Grace WILDISH | 10 | Retford | 1:31.53 |
| 4 | 18 | Izabella ZANIEWSKA | 12 | Boston | 1:31.30 |
| 5 | 19 | Maisie ASMAN | 14 | Lincoln Vulc | 1:30.56 |
| 6 | 20 | Arin ELVIDGE | 11 | Lincoln Vulc | 1:30.05 |
| 7 | 21 | Darcey WOOD | 13 | Grantham | 1:29.30 |
| 8 | 22 | Ana BASCARAU | 12 | Boston | 1:27.96 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Hollie-Ann CROOK | 11 | Grantham | 1:27.82 |
| 2 | 24 | Mia PARAPIJONAVICIUTE | 16 | Grantham | 1:27.20 |
| 3 | 25 | Isla-Rose WILDISH | 11 | Retford | 1:24.86 |
| 4 | 26 | Lexie SHEWAN | 14 | Grantham | 1:22.57 |
| 5 | 27 | Jessica - Rose DAVISON | 15 | Grantham | 1:21.58 |
| 6 | 28 | Grace HOWITT | 16 | Grantham | 1:20.93 |
| 7 | 29 | Peyton BRIGHT | 14 | Lincoln Vulc | 1:19.91 |
| 8 | 30 | Yasmine WAITE | 15 | March | 1:19.76 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Emily HUNT | 15 | Lincoln Vulc | 1:19.61 |
| 2 | 32 | Kitty PAYNE | 14 | March | 1:18.80 |
| 3 | 33 | Emilija IVANOVA | 16 | Boston | 1:18.65 |
| 4 | 34 | Ella BLACKBOURN | 16 | Lincoln Vulc | 1:18.10 |
| 5 | 35 | Lily-May CLARK | 12 | Grantham | 1:17.99 |
| 6 | 36 | Harriet MCCORMACK | 15 | Grantham | 1:17.20 |
| 7 | 37 | Erin NORTON | 14 | Boston | 1:17.02 |
| 8 | 38 | Alex HALLAM-STOTT | 19 | Warwick Uni | 1:17.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Amy TAYLOR | 14 | Grantham | 1:14.90 |
| 2 | 42 | Megan LAMB | 15 | Lincoln Vulc | 1:12.98 |
| 3 | 44 | Ellena HOWITT | 14 | Grantham | 1:12.50 |
| 4 | 46 | Grace MACDONALD | 16 | Grantham | 1:05.68 |
| 5 | 45 | Evie LILLEY | 16 | Lincoln Vulc | 1:11.80 |
| 6 | 43 | Amelia BIRD | 14 | Skegness | 1:12.87 |
| 7 | 41 | Isla GRAY | 15 | Grantham | 1:13.61 |
| 8 | 39 | Megan RUTT | 15 | Boston | 1:15.63 |