Mens Open 100m Butterfly - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | | | 50 |
| 1. | Max MCCUSKER | (99) | Millfield | | 55.94 | | | | | 26.27 |
| 2. | Reece DUNN | (95) | Plymouth Lea | | 56.22 | | | | | 26.19 |
| 3. | James BAXTER | (98) | Wycombe Dist | | 56.60 | | | | | 26.68 |
| 4. | Rhys RICKARD-FROST | (99) | Co Cardiff | | 57.95 | | | | | 26.90 |
| 5. | Dominic SCIFO | (99) | teamipswich | | 58.98 | | | | | 26.96 |
| 6. | Harry LEWIS-MITCHELL | (98) | Stockport Mo | | 59.54 | | | | | 28.08 |
| 7. | Oliver LINES | (98) | Co Milton K | | 59.93 | | | | | 27.97 |
| 8. | Riaan STEYN | (96) | Guildford Ct | | 1:00.07 | | | | | 27.98 |
| 9. | Connor BRYAN | (00) | Co Oxford | | 1:01.14 | | | | | 28.36 |
| 10. | Brandon SHARKEY | (98) | Co Derby | | 1:01.88 | | | | | 28.20 |
