EVENT 807 Men 11 Yrs/Over 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Joel Harby | 13 | Nova Cent'n | 20:05.59 |
| 4 | 4 | Jack Hurry | 13 | Northampton | 19:20.95 |
| 5 | 3 | Joseph Storr | 13 | Leic Sharks | 19:29.70 |
| 6 | 1 | William Oxley | 12 | Co Leicester | 20:06.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 6 | Ryan Norton | 15 | Boston | 19:01.15 |
| 1 | 8 | Sam Gray | 15 | Northampton | 18:44.88 |
| 2 | 10 | Oliver Sorrell | 15 | South Lincs | 18:09.00 |
| 3 | 12 | Alfie Bisby | 15 | South Lincs | 17:53.40 |
| 4 | 14 | Alex Sadler | 15 | South Lincs | 17:47.20 |
| 5 | 13 | Oscar Goldsmith | 14 | South Lincs | 17:52.11 |
| 6 | 11 | Benjamin Gibbons | 15 | Northampton | 18:01.30 |
| 7 | 9 | Finn Reed | 15 | Loughborough | 18:11.70 |
| 8 | 7 | Oliver Richmond | 14 | Nova Cent'n | 18:45.69 |
| 9 | 5 | Matteo Monaco | 13 | South Lincs | 19:03.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 16 | Cillian McGuinness | 17 | Bassetlaw SS | 17:25.50 |
| 1 | 18 | Kallum Quirke | 16 | Nova Cent'n | 17:20.50 |
| 2 | 20 | William Poyser | 17 | Leic Sharks | 17:18.20 |
| 3 | 22 | Daniel Harris | 15 | Co Leicester | 17:07.80 |
| 4 | 24 | Thomas Dixon | 17 | Leic Sharks | 17:00.20 |
| 5 | 23 | Luke Stevens | 16 | Leic Sharks | 17:03.60 |
| 6 | 21 | Rico Bringeman | 17 | South Lincs | 17:09.50 |
| 7 | 19 | Callum Kettlewell | 18 | Bassetlaw SS | 17:18.20 |
| 8 | 17 | Daniel Walker | 15 | Nova Cent'n | 17:22.44 |
| 9 | 15 | Owen Hathway | 16 | Grantham | 17:36.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 26 | Archie Neaves | 17 | Co Leicester | 16:53.30 |
| 1 | 28 | James Raw | 15 | Co Leicester | 16:43.10 |
| 2 | 30 | Sean McCann | 17 | Co Leicester | 16:30.10 |
| 3 | 32 | Joseph Kingsland | 19 | Nova Cent'n | 16:07.50 |
| 4 | 34 | Adam Hall | 21 | Loughboro Un | 15:59.50 |
| 5 | 33 | Thomas Sansome | 19 | Loughboro Un | 16:02.10 |
| 6 | 31 | Jackson O'Rourke | 20 | Northampton | 16:09.37 |
| 7 | 29 | Joseph Palmer | 19 | Nova Cent'n | 16:42.60 |
| 8 | 27 | Razvan Grumazescu | 18 | Northampton | 16:50.40 |
| 9 | 25 | Alex Keeble | 18 | Leic Sharks | 16:55.60 |