EVENT 105 Open/Male 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Euron Fon JONES | 12 | Nofio P.B.P | 4:43.70 |
| 2 | 4 | Oliver SHEPHARD | 9 | Co Sheffield | 4:30.00 |
| 3 | 6 | Ellis HARGREAVES | 12 | Co Leeds | 4:14.98 |
| 4 | 8 | George BEILBY-WOODWARD | 10 | Co Leeds | 4:07.50 |
| 5 | 7 | Ollie FOTHERGILL | 9 | Co Sheffield | 4:14.13 |
| 6 | 5 | Steffan Iolo WILLIAMS | 13 | Nofio P.B.P | 4:20.80 |
| 7 | 3 | Max ARMSTRONG | 9 | Co Sheffield | 4:40.00 |
| 8 | 1 | Ilan LEWIS | 10 | Caernarfon | 5:24.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Taylor PRINCE | 11 | Conwy | 4:02.60 |
| 2 | 12 | Samuel FORD | 10 | Co Leeds | 3:51.01 |
| 3 | 14 | Zac Anthony GRANT | 11 | Nofio P.B.P | 3:47.30 |
| 4 | 16 | Henry PATTERSON | 10 | Co Leeds | 3:42.40 |
| 5 | 15 | Francis SALTHOUSE | 10 | Co Sheffield | 3:46.50 |
| 6 | 13 | Daniel RAWLINGS | 11 | Co Leeds | 3:48.00 |
| 7 | 11 | Michal MROZINSKI | 11 | Conwy | 4:00.00 |
| 8 | 9 | Elias BAYARRI | 10 | Co Sheffield | 4:04.43 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Ezel KAFTAR | 12 | Wetherby | 3:40.20 |
| 2 | 20 | Leo CLEGG | 12 | Conwy | 3:37.70 |
| 3 | 22 | Euan CARMODY | 10 | Co Leeds | 3:36.50 |
| 4 | 24 | Tomas BICKERS | 12 | Co Leeds | 3:32.99 |
| 5 | 23 | Eddie SMITH | 10 | Co Sheffield | 3:36.34 |
| 6 | 21 | Tyler RAVEN | 11 | Co Leeds | 3:37.06 |
| 7 | 19 | Barney HOBBS | 11 | Co Leeds | 3:39.28 |
| 8 | 17 | Alistair SALTHOUSE | 12 | Co Sheffield | 3:41.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Olaf GRUDOWSKI | 12 | Co Leeds | 3:31.49 |
| 2 | 28 | Jacob JONES | 12 | Co Leeds | 3:29.20 |
| 3 | 30 | Mason CAMERON | 13 | Co Sheffield | 3:24.11 |
| 4 | 32 | Noah DARNELL | 12 | Co Leeds | 3:23.68 |
| 5 | 31 | Harley GILL | 12 | Co Leeds | 3:24.04 |
| 6 | 29 | Zachary WHITTAKER | 11 | Co Leeds | 3:28.94 |
| 7 | 27 | Jacob ASKWITH | 12 | Co Sheffield | 3:30.38 |
| 8 | 25 | Lewis LUNG | 10 | Co Leeds | 3:31.75 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | Liam LI | 9 | Co Leeds | 3:19.66 |
| 2 | 36 | Angus YOUNG | 12 | Co Leeds | 3:19.40 |
| 3 | 38 | Oscar HUSSEY | 12 | Co Leeds | 3:17.85 |
| 4 | 40 | Leo LI | 11 | Co Leeds | 3:15.52 |
| 5 | 39 | Hogan LAM | 12 | Co Leeds | 3:16.20 |
| 6 | 37 | Owen TEMPEST | 12 | Co Leeds | 3:18.65 |
| 7 | 35 | Enzo SHILAND-GRIFFITHS | 13 | Caernarfon | 3:19.50 |
| 8 | 33 | Oscar O'DONNELL | 12 | Co Leeds | 3:22.93 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Dyfan PRICE-CLISHEM | 13 | Nofio P.B.P | 3:11.87 |
| 2 | 44 | Oliver ATHA | 12 | Co Leeds | 3:07.60 |
| 3 | 46 | Reuben HARRISON | 14 | Co Leeds | 2:54.63 |
| 4 | 48 | Lucas THOMAS | 15 | Conwy | 2:39.90 |
| 5 | 47 | Patrick O'HARA | 13 | Co Leeds | 2:47.37 |
| 6 | 45 | Harrison WAKE | 12 | Co Leeds | 3:03.36 |
| 7 | 43 | Callum FOZARD | 13 | Co Leeds | 3:11.07 |
| 8 | 41 | Benjamin CLARK | 12 | Co Leeds | 3:12.30 |