EVENT 108 Boy 09 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Samuel BAKER | 11 | March | 1:32.00 |
| 3 | 3 | Felix GUY-PINKNEY | 10 | St Ives | 1:32.00 |
| 4 | 2 | Alexander BAAKLINI | 9 | March | 1:32.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Jack ASHLEY-WHITE | 12 | March | 1:31.27 |
| 2 | 6 | Michael BATISTA | 12 | March | 57.83 |
| 3 | 8 | Bertie TITHERIDGE | 10 | St Neot Swan | 48.60 |
| 4 | 7 | Ant HALL | 12 | March | 48.76 |
| 5 | 5 | Matt HALL | 10 | March | 1:04.78 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Harrison PEARSON | 11 | St Neot Swan | 44.50 |
| 2 | 12 | Connor RICKARD | 13 | March | 41.09 |
| 3 | 14 | Jude STATON | 12 | March | 38.59 |
| 4 | 13 | Elliot MEGGINSON | 13 | St Ives | 39.25 |
| 5 | 11 | Sebastian LEWIS | 16 | Co Peterboro | 43.51 |
| 6 | 9 | Harry RICKARD | 10 | March | 47.69 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | George MILTON | 13 | March | 35.75 |
| 2 | 18 | Alex BEVAN | 18 | Chatteris | 34.10 |
| 3 | 20 | Keiran GRIFFIN | 15 | Co Peterboro | 33.64 |
| 4 | 19 | Joshua MARSHALL | 16 | St Ives | 34.07 |
| 5 | 17 | Samuel BURSILL | 13 | Chatteris | 34.14 |
| 6 | 15 | Oliver DICKSON | 13 | St Ives | 37.59 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Matthew ALBONE | 16 | St Neot Swan | 31.17 |
| 2 | 24 | Harry RAYNER | 16 | March | 30.53 |
| 3 | 26 | Graham SHAW | 21 | March | 28.02 |
| 4 | 25 | Jacob COWIN | 17 | March | 28.72 |
| 5 | 23 | Harvey WOODS | 17 | St Ives | 30.98 |
| 6 | 21 | Joshua BIGWOOD | 17 | St Ives | 33.63 |