EVENT 308 Mixed 09 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Charlotte Simmons | 9 | Retford | 2:00.00 |
| 3 | 3 | Alfie Hesletine | 10 | Retford | 1:50.00 |
| 4 | 2 | Isla Richards | 12 | Retford | 1:53.81 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Charlotte Middlebrook | 10 | Retford | 1:48.00 |
| 2 | 6 | Ellie Merchant | 11 | Retford | 1:41.24 |
| 3 | 8 | Mia Richards | 15 | Retford | 1:36.84 |
| 4 | 7 | Emily Harding | 11 | Retford | 1:39.66 |
| 5 | 5 | Mia Bastow | 12 | Retford | 1:43.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Oscar Durham | 11 | Retford | 1:33.86 |
| 2 | 12 | Daisy-Grace Wildish | 9 | Retford | 1:32.58 |
| 3 | 14 | Cobie Cross | 11 | Retford | 1:28.66 |
| 4 | 13 | Jake Holliday | 13 | Retford | 1:32.13 |
| 5 | 11 | Maisie Buclaw | 12 | Retford | 1:32.70 |
| 6 | 9 | Leila Marandi | 10 | Retford | 1:33.87 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Alfie Grounsell | 11 | Retford | 1:24.85 |
| 2 | 18 | Summer Woodcock | 10 | Retford | 1:23.24 |
| 3 | 20 | Bronte Easey | 12 | Retford | 1:15.14 |
| 4 | 19 | Jayden Cross | 11 | Retford | 1:22.71 |
| 5 | 17 | Reid Hutchins | 10 | Retford | 1:23.90 |
| 6 | 15 | Isla-Rose Wildish | 10 | Retford | 1:28.33 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Jennifer Walker | 16 | Retford | 1:10.68 |
| 2 | 24 | Ruby Credland | 17 | Retford | 1:09.35 |
| 3 | 26 | C Butterell-Quanbrough | 14 | Retford | 1:02.19 |
| 4 | 25 | Reuben Meadows | 14 | Retford | 1:06.34 |
| 5 | 23 | Imogen Howitt | 12 | Retford | 1:09.36 |
| 6 | 21 | Isobelle Rafferty | 13 | Retford | 1:13.71 |