EVENT 101 Open/Male 10 /Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Matthew BROWN | 11 | Derwent&Gate | 5:58.73 |
| 4 | 4 | Finn SCHOFIELD | 11 | Guisborough | 5:41.20 |
| 5 | 3 | Rufus GODSIFF | 11 | Middlesboro | 5:53.24 |
| 6 | 1 | George BALMER | 11 | Middlesboro | 6:00.97 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Gabriel MORAN | 12 | Co Sund'land | 5:20.50 |
| 2 | 8 | Quinn MORGAN | 12 | Tynemouth | 5:16.79 |
| 3 | 10 | Jacob WARBURTON-MILN | 13 | Middlesboro | 5:15.38 |
| 4 | 12 | Baxter WIGG | 13 | Newcastle | 5:13.30 |
| 5 | 11 | Benjamin ADAMSON | 10 | Co Sund'land | 5:13.80 |
| 6 | 9 | Oliver PRICE | 12 | Saltburn Mar | 5:16.28 |
| 7 | 7 | Joel THOMPSON | 11 | South Tyne | 5:18.39 |
| 8 | 5 | Matthew HALE | 11 | Tynemouth | 5:21.24 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Ethan PAYLOR | 13 | Middlesboro | 5:10.64 |
| 2 | 16 | Luke ELDRED | 14 | South Tyne | 5:02.19 |
| 3 | 18 | Benjamin CALVERT | 14 | Guisborough | 5:01.32 |
| 4 | 20 | Jamie ATHERTON | 13 | Co Sund'land | 4:57.70 |
| 5 | 19 | Samuel BROWN | 14 | Tynemouth | 4:58.58 |
| 6 | 17 | Thomas OLIVER | 13 | Newcastle | 5:01.86 |
| 7 | 15 | Joseph SMITH | 13 | Derwent&Gate | 5:03.60 |
| 8 | 13 | Roman HARDY | 12 | Co Sund'land | 5:11.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Thomas HALE | 14 | Tynemouth | 4:53.30 |
| 2 | 24 | Hari DIDDEE | 15 | Tynemouth | 4:46.34 |
| 3 | 26 | Jacob SKILBECK | 13 | Middlesboro | 4:46.12 |
| 4 | 28 | Harry DOUGLASS | 16 | Newcastle | 4:45.10 |
| 5 | 27 | Tom MCLEAN | 13 | South Tyne | 4:46.02 |
| 6 | 25 | William AMOR | 14 | South Tyne | 4:46.27 |
| 7 | 23 | Alfie DENT | 16 | South Tyne | 4:53.05 |
| 8 | 21 | Jake REDDIVARI | 13 | Middlesboro | 4:54.06 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Aaron THOMPSON | 16 | Newcastle | 4:44.55 |
| 2 | 32 | Thomas QUINN | 15 | North Tyne | 4:37.71 |
| 3 | 34 | Zach AIR | 14 | Newcastle | 4:36.10 |
| 4 | 36 | Adam SHIPLEY | 13 | Middlesboro | 4:35.55 |
| 5 | 35 | Harvey WATSON | 13 | Middlesboro | 4:35.89 |
| 6 | 33 | Orin CONNOLLY | 14 | Middlesboro | 4:37.20 |
| 7 | 31 | Benjamin JUSZCZAK | 15 | Newcastle | 4:41.20 |
| 8 | 29 | Joe DUMPHY-BROOK | 12 | Middlesboro | 4:44.57 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Stanley DAWSON | 15 | Middlesboro | 4:30.11 |
| 2 | 40 | Peter MCGROTHER | 20 | Derwent&Gate | 4:26.10 |
| 3 | 42 | Ben TOWARD | 16 | Tynemouth | 4:16.50 |
| 4 | 44 | Jai DIDDEE | 18 | Tynemouth | 4:11.80 |
| 5 | 43 | Harry WILLIS | 15 | Newcastle | 4:14.68 |
| 6 | 41 | Harry GIBSON | 17 | Newcastle | 4:17.80 |
| 7 | 39 | Matthew ROBERTSON | 17 | North Tyne | 4:28.29 |
| 8 | 37 | Sam CLARKE | 13 | Guisborough | 4:32.87 |