EVENT 111 Mixed 12 Yrs/Over 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Chloe HIMSLEY | 12 | Sevenoaks | 21:13.50 |
| 2 | 4 | Mia MOSS | 13 | Sevenoaks | 20:40.30 |
| 3 | 6 | Georgia NORLEY | 13 | Maidstone SC | 20:23.00 |
| 4 | 8 | Dane RAWKINS | 13 | Sevenoaks | 20:11.10 |
| 5 | 7 | Freya SHEARD | 13 | Saxon Crown | 20:18.70 |
| 6 | 5 | Sum Yin Miriam FOK | 13 | RTW Monson | 20:30.80 |
| 7 | 3 | Rocco PALLEN | 12 | Dartford | 21:07.30 |
| 8 | 1 | Kai INGARFIELD | 12 | Sevenoaks | 21:17.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Thomas DE CRUZ | 13 | Beckenham | 20:07.20 |
| 2 | 12 | Paris FAIRHURST | 15 | White Oak | 19:57.39 |
| 3 | 14 | Erin DAVIE | 14 | Sevenoaks | 19:46.20 |
| 4 | 16 | Nicola MUSZALSKA | 16 | Dartford | 19:44.20 |
| 5 | 15 | Isabelle MAY | 14 | Maidstone SC | 19:44.80 |
| 6 | 13 | L SPALLEK-PUTTACHAROEN | 13 | Maidstone SC | 19:46.70 |
| 7 | 11 | Lottie BALL | 14 | Maidstone SC | 20:01.40 |
| 8 | 9 | Elsie LEACH | 13 | Thanet Swim | 20:07.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Grace HOLMES | 16 | RTW Monson | 19:41.70 |
| 2 | 20 | Chloe LINDER | 18 | Sittingbourn | 19:37.60 |
| 3 | 22 | Ruby WALLER | 17 | Maidstone SC | 19:30.70 |
| 4 | 24 | Isla CRAWFORD | 16 | Beckenham | 19:25.90 |
| 5 | 23 | Natasha BRIGHTWELL | 18 | Dartford | 19:29.40 |
| 6 | 21 | Esmee STANLEY | 19 | Sevenoaks | 19:31.60 |
| 7 | 19 | Toby SIMMONS | 14 | Gravesend | 19:38.00 |
| 8 | 17 | Isla OWEN | 13 | Tonbridge | 19:43.10 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | George BEARDSMORE | 14 | Black Lion | 19:13.40 |
| 2 | 28 | Nathan SAVAGE | 14 | Thanet Swim | 19:11.00 |
| 3 | 30 | Caitlin TINKER | 17 | Orpington OJ | 19:07.36 |
| 4 | 32 | Elijah LETTINGTON | 15 | RTW Monson | 19:02.00 |
| 5 | 31 | Brook MCGREGOR | 14 | Thanet Swim | 19:07.00 |
| 6 | 29 | Kerem KUCUKKARAMUKLU | 15 | Saxon Crown | 19:07.60 |
| 7 | 27 | Emily PIETERSMA | 15 | Bexley | 19:12.81 |
| 8 | 25 | Katharine IRWIN | 17 | Maidstone SC | 19:19.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | William HOLDEN | 16 | Bexley | 18:56.72 |
| 2 | 36 | Tristan LINDER | 15 | Sittingbourn | 18:51.90 |
| 3 | 38 | Carmen JENKINS | 16 | Maidstone SC | 18:47.70 |
| 4 | 40 | Ihsan SENEL | 16 | Beckenham | 18:44.90 |
| 5 | 39 | Riley GILHAM | 15 | Bromley | 18:47.60 |
| 6 | 37 | Arianne IVANOVA | 16 | Thanet Swim | 18:50.70 |
| 7 | 35 | Elise BUTLER | 13 | Maidstone SC | 18:56.60 |
| 8 | 33 | Ayotunde DAUDA | 15 | Saxon Crown | 19:01.20 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Olexa MILES | 17 | Thanet Swim | 18:41.20 |
| 2 | 44 | Lilia FORNASIER | 17 | RTW Monson | 18:35.83 |
| 3 | 46 | Calyssa BRADSHAW | 16 | Black Lion | 18:29.96 |
| 4 | 48 | Romeo BALL | 13 | Maidstone SC | 18:14.20 |
| 5 | 47 | Harrison WILKINS | 14 | Maidstone SC | 18:26.70 |
| 6 | 45 | Maddison NOTLEY | 16 | MwayMaritime | 18:30.70 |
| 7 | 43 | Lowri WILLIAMS | 15 | RTW Monson | 18:38.10 |
| 8 | 41 | Emilia NARKEVIC | 15 | Maidstone SC | 18:42.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 50 | Olivia QUILLER | 14 | Maidstone SC | 18:09.90 |
| 2 | 52 | Euan KANE | 15 | Erith & Dist | 18:08.90 |
| 3 | 54 | Ellie LEWIS | 17 | Beckenham | 18:02.60 |
| 4 | 56 | Thomas LOVE | 15 | Beckenham | 17:51.62 |
| 5 | 55 | Tyla-Jade THOMAS | 13 | MwayMaritime | 17:54.80 |
| 6 | 53 | Ivy HAGGERTY | 17 | Thanet Swim | 18:05.40 |
| 7 | 51 | Olivia NORLEY | 15 | Maidstone SC | 18:09.00 |
| 8 | 49 | Joseph SLOAN | 17 | Maidstone SC | 18:11.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 58 | William WEST | 15 | Thanet Swim | 17:49.00 |
| 2 | 60 | Harry COCKS | 17 | Thanet Swim | 17:28.69 |
| 3 | 62 | Grace CUMMINGS | 19 | Thanet Swim | 17:02.50 |
| 4 | 64 | Timothy LEBERL | 23 | Beckenham | 16:16.40 |
| 5 | 63 | Edward EVANS | 16 | Beckenham | 16:39.80 |
| 6 | 61 | Charley KING | 17 | Dover Life | 17:10.50 |
| 7 | 59 | Oliver GOODE | 16 | Beckenham | 17:48.70 |
| 8 | 57 | Finn JACKSON | 17 | Maidstone SC | 17:51.30 |