EVENT 403 Boys 09 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Devrim CELIKAY | 11 | Gates &Whick | 45.89 |
| 3 | 3 | Niall WALKER | 11 | RichmondDale | 44.31 |
| 4 | 2 | Filip WILCZYNSKI | 10 | Sedgefield | 45.36 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Albert MACK | 10 | Middlesboro | 41.70 |
| 2 | 7 | Henry MACK | 12 | Middlesboro | 40.88 |
| 3 | 9 | Jinghan ZENG | 10 | Middlesboro | 39.94 |
| 4 | 8 | Edward REDSHAW | 11 | Middlesboro | 40.61 |
| 5 | 6 | Lewis MCDERMOTT | 10 | Middlesboro | 41.52 |
| 6 | 4 | Cole REID | 11 | Gates &Whick | 43.82 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 11 | Charles MCEWAN | 13 | Sedgefield | 37.70 |
| 2 | 13 | Robert SHIPLEY | 9 | Middlesboro | 36.84 |
| 3 | 15 | Darragh MEANEY | 13 | RichmondDale | 36.00 |
| 4 | 14 | Oliver SMITH | 11 | Middlesboro | 36.10 |
| 5 | 12 | Peter MCGROTHER | 13 | Durham City | 37.54 |
| 6 | 10 | Conan SWINNEY | 10 | Gates &Whick | 38.18 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Henry STEPHENSON | 13 | Gates &Whick | 35.60 |
| 2 | 19 | Oliver QUIGLEY | 12 | Gates &Whick | 34.10 |
| 3 | 21 | Isaac HUGHES | 16 | Middlesboro | 33.98 |
| 4 | 20 | Isaac BUCHAN | 12 | Middlesboro | 34.00 |
| 5 | 18 | Thomas SMITH | 12 | RichmondDale | 35.26 |
| 6 | 16 | Ethan STOREY | 12 | Gates &Whick | 35.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 23 | Chase DARBY | 14 | Middlesboro | 32.15 |
| 2 | 25 | William MORRIS | 13 | Middlesboro | 31.00 |
| 3 | 27 | Thomas MCDERMOTT | 13 | Middlesboro | 29.80 |
| 4 | 26 | Mateusz WILCZYNSKI | 13 | Sedgefield | 30.70 |
| 5 | 24 | Lewis RAMSEY | 13 | Gates &Whick | 31.90 |
| 6 | 22 | Harry BELL | 12 | Middlesboro | 33.96 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 29 | Roan CAPPLEMAN | 16 | RichmondDale | 29.00 |
| 2 | 31 | Callum HALL | 20 | RichmondDale | 26.80 |
| 3 | 33 | Thomas FLOWER | 19 | RichmondDale | 25.20 |
| 4 | 32 | Ethan BROWN | 16 | Middlesboro | 25.40 |
| 5 | 30 | Thejes SUNDAR | 17 | Gates &Whick | 27.70 |
| 6 | 28 | Tom JOBLING | 13 | Durham City | 29.70 |