EVENT 307 Boys 11 Yrs/Over 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Maxwell Burdett | 11 | Co Leicester | 11:06.60 |
| 2 | 4 | Oliver Whittaker | 13 | Nova Cent'n | 10:47.57 |
| 3 | 6 | Charlie Bisby | 12 | South Lincs | 10:27.10 |
| 4 | 8 | Corey Butterell-Quanbr | 13 | Bassetlaw SS | 10:14.31 |
| 5 | 7 | Freddie Burdett | 13 | Co Leicester | 10:15.22 |
| 6 | 5 | Isaac Ebanks | 13 | Derby Excel | 10:30.16 |
| 7 | 3 | Ryan Hejraty | 13 | Co Leicester | 10:53.10 |
| 8 | 1 | James Huckle | 12 | Lincoln Vulc | 11:22.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Tyler Hollyman | 16 | Wellingboro | 9:58.30 |
| 2 | 12 | William Oxley | 13 | Co Leicester | 9:56.28 |
| 3 | 14 | Matteo Monaco | 14 | South Lincs | 9:48.10 |
| 4 | 16 | Oliver Richmond | 15 | Nova Cent'n | 9:46.37 |
| 5 | 15 | Jacob Milward | 16 | Nova Cent'n | 9:47.92 |
| 6 | 13 | William Taylor | 15 | Louth | 9:53.00 |
| 7 | 11 | Finlay Bird | 13 | Derby Excel | 9:56.57 |
| 8 | 9 | Joel Harby | 14 | Nova Cent'n | 10:01.38 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Brodie Butlin | 14 | Nova Cent'n | 9:44.03 |
| 2 | 20 | Jacob Pemberton | 14 | BelperMarlin | 9:41.12 |
| 3 | 22 | Liam Lyons | 14 | BelperMarlin | 9:39.96 |
| 4 | 24 | Jack Hurry | 14 | Northampton | 9:35.17 |
| 5 | 23 | Sam Gray | 16 | Northampton | 9:38.01 |
| 6 | 21 | Edun Rowe | 15 | Northampton | 9:40.74 |
| 7 | 19 | Oliver Davies | 14 | Co Leicester | 9:42.85 |
| 8 | 17 | David Bucur | 15 | Worksop | 9:45.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Thomas Blacklaws | 15 | Co Leicester | 9:28.00 |
| 2 | 28 | Ethan Ford | 16 | Co Leicester | 9:25.20 |
| 3 | 30 | Bailey Scarborough | 19 | Uni of Nott | 9:22.62 |
| 4 | 32 | Reuben Hubinger | 14 | Repton | 9:21.95 |
| 5 | 31 | Elliott Barker | 16 | Northampton | 9:22.00 |
| 6 | 29 | Samuel Green | 13 | Bassetlaw SS | 9:23.43 |
| 7 | 27 | Jack Bignell | 15 | Northampton | 9:27.20 |
| 8 | 25 | Ryan Norton | 16 | Boston | 9:32.20 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | William Poyser | 18 | Leic Sharks | 9:19.27 |
| 2 | 36 | Dylan Jamieson | 15 | Repton | 9:15.70 |
| 3 | 38 | Manav Mistry | 16 | Northampton | 9:09.98 |
| 4 | 40 | Alex Sadler | 16 | South Lincs | 9:06.98 |
| 5 | 39 | Kallum Quirke | 17 | NottmLeander | 9:07.93 |
| 6 | 37 | Finlay Gibson | 15 | Co Leicester | 9:13.10 |
| 7 | 35 | Oliver Sorrell | 16 | South Lincs | 9:17.60 |
| 8 | 33 | Lewis Fitch | 16 | Co Leicester | 9:21.30 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | James Lake | 16 | Loughborough | 9:05.70 |
| 2 | 44 | Samuel Cooke | 17 | Corby | 9:02.79 |
| 3 | 46 | Thomas Swales | 14 | Nova Cent'n | 8:59.55 |
| 4 | 48 | Daniel Harris | 16 | Co Leicester | 8:56.10 |
| 5 | 47 | Daniel Walker | 16 | Nova Cent'n | 8:57.43 |
| 6 | 45 | Oscar Goldsmith | 15 | South Lincs | 9:01.70 |
| 7 | 43 | Alfie Bisby | 16 | South Lincs | 9:03.32 |
| 8 | 41 | Benjamin Gibbons | 16 | Northampton | 9:06.01 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 50 | Archie Neaves | 18 | Co Leicester | 8:51.48 |
| 2 | 52 | Findlay Cordle | 16 | Repton | 8:49.94 |
| 3 | 54 | Elliot Sibley | 18 | Nova Cent'n | 8:36.80 |
| 4 | 56 | Joseph Kingsland | 20 | Nova Cent'n | 8:32.00 |
| 5 | 55 | Alexander Harrand | 18 | Derby Excel | 8:36.10 |
| 6 | 53 | Luke Stevens | 17 | Co Leicester | 8:48.70 |
| 7 | 51 | Alex Keeble | 19 | Leic Sharks | 8:50.00 |
| 8 | 49 | Owen Hathway | 17 | Grantham | 8:55.60 |