EVENT 807 Boy 09/10 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Dexter Grocock | 9 | Co Sheffield | 1:48.80 |
| 3 | 2 | Bradley Forrest | 9 | Team Jorvik | 1:47.70 |
| 4 | 3 | George Thornhill | 9 | Stocksbridge | 1:47.10 |
| 5 | 4 | Cameron Coulter | 9 | Bev Barracud | 1:45.00 |
| 6 | 5 | Henry Konieczko-Hansom | 9 | Bev Barracud | 1:43.10 |
| 7 | 6 | Oscar Harling | 9 | Bev Barracud | 1:42.30 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Edward Rose | 9 | Rotherham Mo | 1:40.90 |
| 1 | 8 | Alexander Matze | 9 | Bo Barnsley | 1:38.80 |
| 2 | 9 | Oliver Barrett | 10 | Co Leeds | 1:36.20 |
| 3 | 10 | Alexander Eggitt | 10 | Donc Dartes | 1:35.70 |
| 4 | 11 | George King | 9 | Co Leeds | 1:35.60 |
| 5 | 12 | Hussein Kesserwan | 10 | Bo Kirklees | 1:33.50 |
| 6 | 13 | George Robertson | 10 | Co Sheffield | 1:33.40 |
| 7 | 14 | Ben Artis | 10 | Bingley | 1:33.20 |
| 8 | 15 | Thomas Horne | 10 | Co Leeds | 1:33.00 |
| 9 | 16 | Harry Austin | 10 | Bo Barnsley | 1:32.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 17 | James Ashcroft | 9 | Co Leeds | 1:31.70 |
| 1 | 18 | Caleb Britton | 10 | Tadcaster | 1:31.60 |
| 2 | 19 | Jack Jones | 9 | Donc Dartes | 1:30.40 |
| 3 | 20 | Oscar Focht | 9 | KingstonHull | 1:29.90 |
| 4 | 21 | Hudson Smith | 10 | Co Leeds | 1:28.40 |
| 5 | 22 | Elliott Mayers | 10 | Chapeltown | 1:28.10 |
| 6 | 23 | Oscar O'Donnell | 9 | Co Leeds | 1:28.00 |
| 7 | 24 | Archie Ainslie | 10 | Donc Dartes | 1:25.80 |
| 8 | 25 | Seth Jones | 10 | Co Leeds | 1:25.30 |
| 9 | 26 | George Harrison | 10 | Pocklington | 1:25.10 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 28 | Charlie Schofield | 9 | Northall'ton | 1:24.90 |
| 1 | 30 | Daniel Tew | 10 | Team Jorvik | 1:24.40 |
| 2 | 32 | Charlie Haslingden | 10 | Co Sheffield | 1:20.10 |
| 3 | 34 | Finley Moore | 10 | Cleethorpes | 1:19.40 |
| 4 | 36 | Harry Osborne | 10 | Rotherham Mo | 1:17.80 |
| 5 | 35 | Ben Towse | 10 | KingstonHull | 1:18.20 |
| 6 | 33 | Harry Brown | 10 | King'f Scar | 1:19.80 |
| 7 | 31 | Halo Bentley-Hicks | 10 | Co Leeds | 1:20.40 |
| 8 | 29 | Shaé Bryant | 10 | Co Leeds | 1:24.70 |
| 9 | 27 | Ronald Clark | 10 | Bev Barracud | 1:25.10 |