EVENT 207 Open/Male 10 /Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Sebastian Randle | 11 | Warrington W | 6:42.22 |
| 3 | 3 | Larry Donlan | 11 | Warrington W | 5:51.06 |
| 4 | 5 | Ralph de Glopper | 12 | Warrington W | 5:31.18 |
| 5 | 4 | Zachary Gawronek | 12 | Warrington W | 5:31.20 |
| 6 | 2 | Zach Hill | 10 | Warrington W | 6:18.21 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Logan Dearden | 10 | Warrington W | 5:28.52 |
| 2 | 9 | Buddie Keisler-Worall | 14 | Warrington W | 5:12.80 |
| 3 | 11 | Arthur Czimbor | 14 | Warrington W | 5:10.80 |
| 4 | 13 | George Lee | 14 | Douglas | 4:51.45 |
| 5 | 12 | Alfie Costello | 13 | Prescot | 4:54.07 |
| 6 | 10 | Billy Donlan | 13 | Warrington W | 5:11.95 |
| 7 | 8 | Conrad Chan | 12 | Warrington W | 5:23.46 |
| 8 | 6 | Austin Craven | 10 | Warrington W | 5:28.62 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Jack McCoy | 16 | Warrington W | 4:46.97 |
| 2 | 17 | Oliwier Zajac | 16 | Warrington W | 4:37.40 |
| 3 | 19 | Ethan Craven | 12 | Warrington W | 4:25.60 |
| 4 | 21 | Andrew Clavis | 19 | Warrington W | 4:01.20 |
| 5 | 20 | Leo Craven | 14 | Warrington W | 4:17.70 |
| 6 | 18 | Edward McDonald | 14 | Warrington W | 4:27.75 |
| 7 | 16 | Alex Murray | 13 | Warrington W | 4:37.90 |
| 8 | 14 | Nikodem Dorsz | 12 | Bridgefield | 4:47.90 |