EVENT 201 Mixed 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Zoe HANSON | 10 | Northall'ton | |
| 2 | 2 | Lexi-Mae MONK | 9 | Northall'ton | 1:37.17 |
| 3 | 3 | Izzy CHOULES | 11 | Northall'ton | 1:23.32 |
| 4 | 4 | Briana MAZHAMBE | 10 | Eston | 1:04.71 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Finlay HALLIDAY | 9 | Northall'ton | 1:04.04 |
| 2 | 6 | Nathan LOFTHOUSE | 11 | Northall'ton | 55.07 |
| 3 | 7 | Matthew MARGRETT | 12 | Northall'ton | 54.09 |
| 4 | 8 | Sofia CRYER-ANDERSON | 10 | Loftus Dol | 50.12 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Huw CARTER | 9 | Stokesley | 48.58 |
| 2 | 10 | Arthur ROSE | 8 | Loftus Dol | 45.76 |
| 3 | 11 | Emily JORDAN | 13 | Eston | 43.65 |
| 4 | 12 | Harry LOCK | 11 | Eston | 40.75 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Hattie WINDELL | 14 | Eston | 38.48 |
| 2 | 14 | Eleanor HALLIDAY | 13 | Northall'ton | 38.45 |
| 3 | 15 | Matilda CROWTHER | 18 | Eston | 38.01 |
| 4 | 16 | Isabelle SMITH | 13 | Northall'ton | 37.20 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Evie WHARTON | 17 | Northall'ton | 35.52 |
| 2 | 20 | Erin STEPHENSON-MANGAN | 19 | Eston | 34.01 |
| 3 | 19 | Edie SLATTER | 15 | Eston | 34.94 |
| 4 | 17 | Joe HORNER | 12 | Eston | 36.18 |