EVENT 302 Open/Male 10 /Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Finnley Stevenson | 10 | Loughborough | 2:15.00 |
| 4 | 2 | David Ursachi | 11 | Co Leicester | 1:59.80 |
| 5 | 3 | Joesph Bird | 11 | Northampton | 1:55.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Jacob Quennell | 11 | Northampton | 1:45.80 |
| 2 | 5 | Kuba Kopec | 11 | Bedford SS | 1:38.20 |
| 3 | 6 | George Hing | 12 | Bedford SS | 1:36.18 |
| 4 | 7 | Louis Pell | 13 | Northampton | 1:35.34 |
| 5 | 8 | Rahul Reedha | 11 | Co Leicester | 1:34.38 |
| 6 | 9 | Seth Gardner | 13 | Loughborough | 1:30.88 |
| 7 | 10 | Euan Devine | 14 | Bedford SS | 1:26.18 |
| 8 | 11 | Henry Callis | 10 | KingstonHull | 1:24.54 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Kevin Varga | 11 | Co Leicester | 1:20.42 |
| 2 | 13 | Thomas McMaster-Irons | 15 | Bedford SS | 1:20.10 |
| 3 | 14 | Oscar Venn | 12 | Northampton | 1:20.00 |
| 4 | 15 | Mykhailo Vasyliev | 14 | Bedford SS | 1:16.46 |
| 5 | 16 | Mason Traynor | 11 | Co Leicester | 1:13.90 |
| 6 | 17 | Aaron Monaghan | 16 | Co Derry | 1:12.88 |
| 7 | 18 | Gabriel Corbett | 14 | Leic Peng | 1:10.66 |
| 8 | 19 | Emerson-Blu Gupwell | 14 | Co Leicester | 1:10.59 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Jacson Crabb | 13 | Co Leicester | 1:10.10 |
| 2 | 23 | Riley Woodward | 15 | Northampton | 1:07.84 |
| 3 | 25 | Lewis Fitch | 17 | Co Leicester | 1:00.80 |
| 4 | 27 | Ryan Close | 16 | Bedford SS | 58.10 |
| 5 | 26 | Aaron Warren | 23 | Northampton | 1:00.70 |
| 6 | 24 | Oliver Ashman | 14 | Co Leicester | 1:06.43 |
| 7 | 22 | Adam O'Neal | 16 | Bedford SS | 1:09.20 |
| 8 | 20 | Shea Monaghan | 18 | Co Derry | 1:10.24 |