EVENT 305 Open/Male 11 /Over 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Oliver Smith | 12 | Repton | 10:30.30 |
| 3 | 3 | Francesco Monaco | 12 | South Lincs | 10:24.00 |
| 4 | 5 | James Huckle | 13 | Lincoln Vulc | 10:11.90 |
| 5 | 4 | Charlie Bisby | 13 | South Lincs | 10:17.70 |
| 6 | 2 | Mark Kiraly | 12 | Nova Cent'n | 10:25.36 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Maxwell Burdett | 12 | Co Leicester | 9:47.40 |
| 1 | 9 | Jacob Harness | 14 | Bassetlaw SS | 9:36.76 |
| 2 | 11 | Jack Harris | 15 | Derby Excel | 9:24.30 |
| 3 | 13 | William Oxley | 14 | Co Leicester | 9:20.70 |
| 4 | 15 | Harrison Clarke | 16 | Nova Cent'n | 9:14.21 |
| 5 | 14 | Oliver Davies | 15 | Co Leicester | 9:15.19 |
| 6 | 12 | Finlay Bird | 14 | Long Eaton | 9:24.03 |
| 7 | 10 | Jack Smith | 14 | Co Leicester | 9:34.20 |
| 8 | 8 | Jacson Crabb | 13 | Co Leicester | 9:41.30 |
| 9 | 6 | Andrew Blair | 13 | Co Leicester | 10:04.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 17 | Samuel Green | 14 | Bassetlaw SS | 9:06.46 |
| 1 | 19 | Jack Hurry | 15 | Northampton | 9:04.32 |
| 2 | 21 | Daniel Harris | 17 | Co Leicester | 8:47.10 |
| 3 | 23 | Elliot Sibley | 19 | Nova Cent'n | 8:38.70 |
| 4 | 25 | R Rowbotham-Keating | 19 | Lboro Uni | 8:12.40 |
| 5 | 24 | Samuel Cooke | 18 | Corby | 8:33.70 |
| 6 | 22 | Daniel Walker | 17 | Nova Cent'n | 8:47.00 |
| 7 | 20 | Edun Rowe | 16 | Northampton | 8:57.00 |
| 8 | 18 | Dylan Jamieson | 16 | Derby Excel | 9:05.82 |
| 9 | 16 | Austyn Manley | 14 | Repton | 9:12.20 |