EVENT 201 Open/Male 11 /Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Manolo DIMATULAC | 11 | York City | 1:45.00 |
| 2 | 3 | Arthur TONES | 13 | York City | 1:39.17 |
| 3 | 5 | Charlie HODGKINS | 12 | York City | 1:30.00 |
| 4 | 4 | Aubrey FINCH | 12 | York City | 1:37.12 |
| 5 | 2 | Austin SMITHEY | 12 | York City | 1:40.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Max SIMPSON | 11 | York City | 1:27.30 |
| 2 | 9 | Freddie HARGREAVES | 11 | York City | 1:24.67 |
| 3 | 11 | Evan CHAPMAN | 15 | York City | 1:21.31 |
| 4 | 10 | Thyza DIMATULAC | 13 | York City | 1:21.80 |
| 5 | 8 | Petro MYKHAILENKO | 14 | York City | 1:26.50 |
| 6 | 6 | Euan MORLEY-JONES | 12 | York City | 1:28.84 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Joseph FENWICK | 15 | York City | 1:19.51 |
| 2 | 15 | Oscar CADDEN | 14 | York City | 1:12.20 |
| 3 | 17 | Jack YOUNG | 14 | York City | 1:08.44 |
| 4 | 16 | Maurice BERLAND | 17 | York City | 1:11.98 |
| 5 | 14 | Charlie RODGERS | 11 | York City | 1:18.51 |
| 6 | 12 | Dante MILLER | 13 | York City | 1:20.20 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Daniel TEW | 14 | York City | 1:07.20 |
| 2 | 21 | James LAYTON | 15 | York City | 1:03.11 |
| 3 | 23 | Stan SAWYER | 15 | York City | 58.10 |
| 4 | 22 | Alexander TEW | 16 | York City | 1:02.00 |
| 5 | 20 | Charles TREMAYNE | 16 | York City | 1:03.24 |
| 6 | 18 | Zachary HELM | 16 | York City | 1:08.10 |