EVENT 521 Mixed 11/14 Yrs 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Sakura Yamada-Orr | 12 | Co St Albans | 21:39.60 |
| 3 | 4 | Elissa Neo | 12 | Linslade | 21:16.69 |
| 4 | 6 | Poppy Ellingford | 12 | Thurrock | 21:13.57 |
| 5 | 5 | Aine Coackley | 11 | teamipswich | 21:16.67 |
| 6 | 3 | Charlotte Dixon | 12 | Hitchin | 21:22.08 |
| 7 | 1 | Lewis Scott | 12 | Team Waveney | 22:14.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Am�lie Desmeules | 12 | Verulam | 21:06.02 |
| 2 | 10 | Lois Alderton-Jode | 13 | Co Norwich | 20:46.80 |
| 3 | 12 | Sebastian Mudge | 13 | Co Peterboro | 20:43.64 |
| 4 | 14 | Leo Sims | 12 | Hatfield | 20:33.56 |
| 5 | 13 | Lilly Franks | 13 | Thurrock | 20:33.70 |
| 6 | 11 | Isla Mason | 13 | Stowmarket | 20:45.20 |
| 7 | 9 | Charles Hallam | 12 | Harpenden | 20:47.12 |
| 8 | 7 | Apollo Pop | 12 | Chelmsford | 21:06.47 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Elija Mickaite | 13 | Co Peterboro | 20:30.28 |
| 2 | 18 | George Sims | 12 | Hatfield | 20:25.41 |
| 3 | 20 | Olivia Daniel | 12 | Verulam | 20:23.04 |
| 4 | 22 | Oscar Langston | 13 | Epping For't | 20:18.85 |
| 5 | 21 | Riccardo Di Maria | 13 | Co Norwich | 20:22.97 |
| 6 | 19 | Savannah Smith | 13 | Potters Bar | 20:25.06 |
| 7 | 17 | Olive Bailey | 12 | Colchester | 20:30.20 |
| 8 | 15 | Charlotte Stocks | 13 | Linslade | 20:31.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Poppy Cunnington | 13 | Co Peterboro | 20:15.10 |
| 2 | 26 | Mylo Molloy | 13 | Co St Albans | 20:12.14 |
| 3 | 28 | Tobias Watson | 12 | Bo Southend | 20:08.65 |
| 4 | 30 | Adam Thompson | 13 | Thurrock | 20:04.73 |
| 5 | 29 | George Connor | 12 | Colchester | 20:06.00 |
| 6 | 27 | Todd Leung | 13 | Hatfield | 20:10.48 |
| 7 | 25 | Ruslan Shiraz | 13 | Epping For't | 20:12.95 |
| 8 | 23 | Lawrence Taylor | 13 | Co Norwich | 20:18.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Cerys Wall | 13 | Co Cambridge | 19:56.21 |
| 2 | 34 | Benjamin Piscopo | 12 | Co Peterboro | 19:53.01 |
| 3 | 36 | Amelie Stevenson | 14 | Co Peterboro | 19:48.22 |
| 4 | 38 | Connie Flitton | 14 | Dunstable | 19:46.30 |
| 5 | 37 | Anna Regan | 14 | Bo Southend | 19:46.70 |
| 6 | 35 | Skye Freeman | 13 | Norwich Swan | 19:51.00 |
| 7 | 33 | Alice Buckingham | 12 | Team Luton | 19:54.30 |
| 8 | 31 | Violet Freezer | 13 | teamipswich | 19:59.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Addison Summers | 13 | Co St Albans | 19:42.22 |
| 2 | 42 | Kitty Lamb | 14 | Co Peterboro | 19:32.13 |
| 3 | 44 | Olivia Croft | 14 | Cheshunt | 19:24.53 |
| 4 | 46 | Montgomery Brewster | 13 | Watford SC | 19:20.63 |
| 5 | 45 | Sydney Lewis | 13 | Colchester | 19:21.70 |
| 6 | 43 | Jack Lees | 12 | Epping For't | 19:30.60 |
| 7 | 41 | Aaron Rawnsley | 13 | Harpenden | 19:39.62 |
| 8 | 39 | Amelia Garnham | 14 | teamipswich | 19:43.10 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 48 | Alfie Larham | 13 | Co Peterboro | 19:09.49 |
| 2 | 50 | Zachary Piscopo | 14 | Co Peterboro | 19:03.94 |
| 3 | 52 | Ethan Woolsey | 14 | St Neot Swan | 19:03.23 |
| 4 | 54 | Adam Hart | 14 | Witham Dolph | 18:57.42 |
| 5 | 53 | Ayla Zolfaghari | 14 | Epping For't | 18:58.60 |
| 6 | 51 | Mia Wilson | 13 | Basildon Ph | 19:03.70 |
| 7 | 49 | Jasmine Scott | 14 | Co St Albans | 19:06.62 |
| 8 | 47 | Heath Harrison | 14 | Stowmarket | 19:11.90 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 56 | Byron Miller | 14 | Colchester | 18:50.10 |
| 2 | 58 | Jacob Wild | 14 | Newmarket | 18:45.90 |
| 3 | 60 | Mia Nelson | 14 | Cheshunt | 18:40.03 |
| 4 | 62 | Rex Harrison | 14 | Stowmarket | 18:34.10 |
| 5 | 61 | Joseph Subba | 14 | Co St Albans | 18:35.85 |
| 6 | 59 | Finley Burford | 13 | Basildon Ph | 18:44.80 |
| 7 | 57 | Megan Barnicoat | 14 | Co Peterboro | 18:46.28 |
| 8 | 55 | Millie Tomlin | 14 | Basildon Ph | 18:50.20 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 64 | Constantine Calliafas | 14 | Watford SC | 18:22.23 |
| 2 | 66 | Thomas Fenwick | 14 | Hatfield | 18:08.51 |
| 3 | 68 | Janos Csepely | 14 | teamipswich | 17:59.50 |
| 4 | 70 | Summer Smith | 14 | Basildon Ph | 17:44.06 |
| 5 | 69 | Ethan Knights | 14 | teamipswich | 17:58.80 |
| 6 | 67 | Perrin Ma | 14 | Hatfield | 18:00.50 |
| 7 | 65 | Chloe Cranny | 14 | Epping For't | 18:22.10 |
| 8 | 63 | Kameron Baker | 14 | Co Peterboro | 18:29.76 |