EVENT 208 Open/Male 09 /Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Dexter Barron | 12 | Bircotes SC | 1:41.19 |
| 1 | 4 | Reid Hutchins | 10 | Retford | 1:31.87 |
| 2 | 6 | Harry Shea | 12 | Trafford Met | 1:24.49 |
| 3 | 8 | Zach LITTLE | 14 | Gainsborough | 1:20.00 |
| 4 | 10 | Rory Deakin | 12 | Sherwood | 1:18.80 |
| 5 | 9 | Archie Barrett | 13 | BelperMarlin | 1:19.69 |
| 6 | 7 | Daniel Mason | 12 | Sherwood | 1:21.10 |
| 7 | 5 | Nelson Chan | 13 | Dronfield | 1:25.54 |
| 8 | 3 | Jake Webster | 11 | Trafford Met | 1:34.02 |
| 9 | 1 | Jonny Oliver | 11 | Eckington | 1:43.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Frederick Williams | 13 | Eckington | 1:13.90 |
| 1 | 14 | Henry Davies | 13 | Sherwood | 1:13.01 |
| 2 | 16 | Matthew Wilson | 20 | Dronfield | 1:07.04 |
| 3 | 18 | Noah Dewsnap | 13 | Retford | 1:05.00 |
| 4 | 20 | Lewis Wall | 17 | Kimberley | 1:03.97 |
| 5 | 19 | Jacob Harness | 15 | Bircotes SC | 1:04.30 |
| 6 | 17 | C Butterell-Quanbrough | 15 | Retford | 1:05.40 |
| 7 | 15 | Ewan Matthews-McBain | 17 | Kimberley | 1:08.01 |
| 8 | 13 | Oliver Taylor | 12 | Dronfield | 1:13.90 |
| 9 | 11 | Matthew Windeler | 14 | Trafford Met | 1:14.25 |