EVENT 210 Men Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Samuel Williams | 15 | Kuala Lumpur | 1:17.90 |
| 2 | 4 | Philip Cinpoes | 15 | Glasgow | 1:04.38 |
| 3 | 6 | Mark Milburn | 17 | Manchester | 1:01.60 |
| 4 | 8 | Isaac Buchan | 15 | Auckland | 59.31 |
| 5 | 7 | Lewis Warner | 17 | Gold Coast | 59.92 |
| 6 | 5 | Jevon Penny | 19 | Delhi | 1:01.90 |
| 7 | 3 | Edward Ormsby | 15 | Kuala Lumpur | 1:04.79 |
| 8 | 1 | Joseph Deighan | 19 | Melbourne | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Henry Gray | 16 | Gold Coast | 57.91 |
| 2 | 12 | Matthew Cairns | 17 | Auckland | 56.70 |
| 3 | 14 | Jacob Greenow | 23 | Kuala Lumpur | 56.52 |
| 4 | 16 | Joshua Gammon | 19 | Manchester | 53.80 |
| 5 | 15 | Samuel Tucker | 18 | Melbourne | 55.90 |
| 6 | 13 | Dominic Morgan | 17 | Glasgow | 56.70 |
| 7 | 11 | Jake Hutchinson | 16 | Glasgow | 57.40 |
| 8 | 9 | Dylan Reeve | 17 | Delhi | 58.87 |