EVENT 210 Open/Male 09 /Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Oscar TELLWRIGHT | 11 | Cheadle | 1:42.06 |
| 2 | 3 | Jack PATTINSON | 13 | Burntwood | 1:31.28 |
| 3 | 5 | Nathan PATEL | 14 | Burntwood | 1:22.76 |
| 4 | 7 | Oliver TAYLOR | 12 | Dronfield | 1:19.37 |
| 5 | 6 | Thomas HILLSON | 11 | Grantham | 1:20.43 |
| 6 | 4 | Toby EDMONDSON | 10 | Grantham | 1:24.89 |
| 7 | 2 | George LEONARD | 12 | Grantham | 1:32.25 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Daniel MARGIOTTA | 14 | Ashbourne | 1:16.56 |
| 2 | 11 | Dylan NIGHTINGALE | 14 | Ripley | 1:12.68 |
| 3 | 13 | Noah STEVENS | 16 | Ripley | 1:10.39 |
| 4 | 15 | Finley SPOONER | 14 | Cheadle | 1:04.31 |
| 5 | 14 | Matthew WILSON | 19 | Dronfield | 1:07.04 |
| 6 | 12 | Harry POLLICOTT | 14 | Ripley | 1:10.52 |
| 7 | 10 | Flynn CLARK | 13 | Ripley | 1:15.03 |
| 8 | 8 | Taylor WESTON | 12 | Cheadle | 1:18.70 |