EVENT 102 Men Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Jason Ho | 15 | Hatfield | 18:28.03 |
| 3 | 3 | Joseph Sutton | 16 | Watford SC | 18:25.92 |
| 4 | 5 | Jack Abram | 16 | Co Norwich | 18:22.80 |
| 5 | 4 | Daniel Kendall | 15 | Co Ely | 18:24.68 |
| 6 | 2 | Kieran Murray | 18 | Dunstable | 18:27.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Sandijs Cecins | 14 | Colchester | 18:17.22 |
| 2 | 9 | Thomas Ford | 15 | Basildon Ph | 18:10.50 |
| 3 | 11 | Lewis Archer | 24 | Halstead | 18:04.12 |
| 4 | 13 | Daniel McGuinness | 15 | Basildon Ph | 17:48.70 |
| 5 | 12 | Matthew Monie | 16 | Co Cambridge | 17:50.67 |
| 6 | 10 | Richard Vanstone | 15 | Chelmsford | 18:05.82 |
| 7 | 8 | Milo Milton | 14 | Co Norwich | 18:11.99 |
| 8 | 6 | Jack Barnard | 16 | Potters Bar | 18:19.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Ryan Wall | 14 | Co Cambridge | 17:40.45 |
| 2 | 17 | Jago Derrington | 15 | Bishop Stort | 17:24.36 |
| 3 | 19 | Mark Milburn | 16 | Colchester | 16:45.93 |
| 4 | 21 | Jacques Bonsell | 22 | Co Cambridge | 15:39.31 |
| 5 | 20 | Samuel Peck | 21 | Co Cambridge | 16:28.67 |
| 6 | 18 | Matthew Brown | 16 | Stowmarket | 17:05.39 |
| 7 | 16 | Harley West | 17 | Basildon Ph | 17:25.80 |
| 8 | 14 | Jack Pallant | 17 | Team Waveney | 17:44.80 |