EVENT 406 Open/Male 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Zachary WHITTAKER | 10 | Co Leeds | 3:35.00 |
| 1 | 4 | Harrison WAKE | 11 | Co Leeds | 3:24.10 |
| 2 | 6 | Callum FOZARD | 12 | Co Leeds | 3:15.07 |
| 3 | 8 | William DUNN | 12 | Co Leeds | 3:07.00 |
| 4 | 10 | Angus YOUNG | 12 | Co Leeds | 2:57.09 |
| 5 | 9 | Benji SUTCLIFFE | 12 | Ramsbottom | 3:00.00 |
| 6 | 7 | Jeffrey LANGE | 12 | Co Leeds | 3:13.60 |
| 7 | 5 | Harry DIXON | 10 | Co Leeds | 3:23.55 |
| 8 | 3 | Oliver ATHA | 12 | Co Leeds | 3:30.25 |
| 9 | 1 | Frederick WILLIAMS | 11 | Eckington | 3:40.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Leo LI | 11 | Co Leeds | 2:56.40 |
| 1 | 14 | Harry WOODS | 16 | Gt Harwood | 2:47.50 |
| 2 | 16 | Reuben HARRISON | 13 | Co Leeds | 2:42.10 |
| 3 | 18 | William KERSHAW | 13 | Blackpool Aq | 2:40.11 |
| 4 | 20 | George CARRY | 15 | Co Leeds | 2:34.01 |
| 5 | 19 | William LANCASHIRE | 13 | Co Leeds | 2:39.40 |
| 6 | 17 | Jackson CLARKE | 13 | Co Leeds | 2:40.49 |
| 7 | 15 | Paolo MESSENGER | 16 | Scarborough | 2:44.80 |
| 8 | 13 | Lee SCHOLES | 13 | Co Salford | 2:50.40 |
| 9 | 11 | Rory KING | 13 | Co Wakefield | 2:56.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Callum RAVEN | 15 | Co Leeds | 2:29.59 |
| 1 | 24 | Owen WILSON | 13 | Ramsbottom | 2:24.23 |
| 2 | 26 | Samuel HILL | 14 | Co Leeds | 2:20.72 |
| 3 | 28 | Cory TITE | 17 | Scarborough | 2:15.60 |
| 4 | 30 | Samuel SUTCLIFFE | 14 | Ramsbottom | 2:11.18 |
| 5 | 29 | Owen WHITELEY | 17 | Ramsbottom | 2:12.10 |
| 6 | 27 | Matthew JAMES | 15 | Co Leeds | 2:20.15 |
| 7 | 25 | Shea WHITELEY | 17 | Ramsbottom | 2:21.10 |
| 8 | 23 | Luke DYER | 16 | Co Leeds | 2:26.20 |
| 9 | 21 | Eben COUSIN | 14 | Bo Kirklees | 2:32.60 |