EVENT 303 Mixed 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Leila Marandi | 10 | Retford | 1:47.10 |
| 3 | 3 | Cobie Cross | 11 | Retford | 1:36.00 |
| 4 | 2 | Harriet Meadows | 11 | Retford | 1:36.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Summer Woodcock | 10 | Retford | 1:32.10 |
| 3 | 7 | Alfie Grounsell | 11 | Retford | 1:23.23 |
| 4 | 6 | Jayden Cross | 11 | Retford | 1:25.86 |
| 5 | 4 | Reid Hutchins | 10 | Retford | 1:36.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Bronte Easey | 12 | Retford | 1:20.91 |
| 2 | 11 | Lily Pashley | 13 | Retford | 1:15.31 |
| 3 | 13 | Thomas Collins | 14 | Retford | 1:13.46 |
| 4 | 12 | Isobelle Rafferty | 13 | Retford | 1:14.70 |
| 5 | 10 | Isla O'Connor | 14 | Retford | 1:17.30 |
| 6 | 8 | Starla Hope | 14 | Retford | 1:22.82 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Morgan Hope | 12 | Retford | 1:10.79 |
| 2 | 17 | Reuben Meadows | 14 | Retford | 1:09.24 |
| 3 | 19 | Samuel Green | 14 | Retford | 1:03.44 |
| 4 | 18 | Joshua Kettlewell | 17 | Retford | 1:05.76 |
| 5 | 16 | Imogen Howitt | 12 | Retford | 1:09.42 |
| 6 | 14 | Evie Lilley | 15 | Retford | 1:13.40 |