Open/Male 400m Freestyle - Heats (Declared Winners)
10 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Theo RAWNSLEY | (15) | Harpenden | | 5:40.54 | | | 269 | | 1:21.09 | 2:48.66 | 4:16.25 |
| 2. | Bertrand HARRISON | (15) | Wycombe Dist | | 6:00.70 | | | 226 | | 1:25.33 | 2:59.91 | 4:33.41 |
| 3. | Finley WOOLGAR | (16) | TigersJersey | | 6:03.72 | | | 221 | | 1:26.17 | 3:02.35 | 4:36.07 |
| 4. | Elijah UNSWORTH | (15) | Team Luton | | 6:19.07 | | | 195 | | 1:26.15 | 3:03.73 | 4:43.18 |
| 5. | Haydn ELLIS | (16) | TigersJersey | | 7:38.24 | | | 110 | | 1:46.50 | 3:46.18 | 5:46.07 |
11 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Thomas ROBERTS | (15) | TigersJersey | | 5:31.77 | | | 291 | | 1:19.20 | 2:46.36 | 4:12.16 |
| 2. | Junsong LUO | (14) | Ealing | | 6:00.24 | | | 227 | | 1:25.44 | 2:58.02 | 4:33.24 |
| 3. | Alex KARAFIAT | (15) | Co Milton K | | 6:09.99 | | | 210 | | 1:25.81 | 2:59.73 | 4:35.07 |
| 4. | Jack LUXTON | (14) | Wycombe Dist | | 6:13.06 | | | 204 | | 1:28.81 | 3:05.37 | 4:41.72 |
| 5. | Nathaniel DOEDENS | (14) | Wycombe Dist | | 6:14.61 | | | 202 | | 1:31.98 | 3:09.41 | 4:44.44 |
| 6. | Alexandru ZAHARIA | (15) | Ealing | | 6:18.70 | | | 195 | | 1:33.55 | 3:13.36 | 4:49.17 |
| 7. | Nicholas RADU | (14) | Co Milton K | | 6:45.21 | | | 159 | | 1:35.58 | 3:18.66 | 5:02.64 |
| 8. | Cameron GEE | (15) | Wycombe Dist | | 7:05.25 | | | 138 | | 1:34.30 | 3:24.54 | 5:17.02 |
12 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Tyler LAVENDER | (13) | Team Luton | | 5:30.23 | | | 295 | | 1:16.75 | 2:41.75 | 4:08.10 |
| 2. | Alexander GEORGIEV | (14) | Co Milton K | | 5:32.28 | | | 290 | | 1:20.20 | 2:46.19 | 4:11.24 |
| 3. | Jonty ELLIS | (14) | TigersJersey | | 5:39.33 | | | 272 | | 1:16.66 | 2:45.71 | 4:15.36 |
| 4. | Chester CURTIS | (13) | Bo Southend | | 5:57.59 | | | 232 | | 1:25.07 | 2:57.68 | 4:32.19 |
| 5. | Jacob CLARKE | (14) | Wycombe Dist | | 6:10.72 | | | 208 | | 1:28.37 | 3:06.15 | 4:42.10 |
13 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Samuel CHILDS | (13) | Berkhamsted | | 4:56.56 | | | 408 | | 1:08.75 | 2:26.11 | 3:42.30 |
| 2. | Dewi FORDYCE | (13) | Berkhamsted | | 5:00.72 | | | 391 | | 1:10.31 | 2:27.47 | 3:44.92 |
| 3. | Filip BOCHENKO | (13) | Ealing | | 5:11.12 | | | 353 | | 1:11.71 | 2:31.76 | 3:52.11 |
| 4. | Max POND | (12) | Bo Southend | | 5:18.56 | | | 329 | | 1:14.17 | 2:36.30 | 3:58.45 |
| 5. | Liam TWINING | (13) | Dunstable | | 5:34.57 | | | 284 | | 1:16.32 | 2:43.40 | 4:12.19 |
| 6. | Zachary LUDWELL | (13) | Dunstable | | 5:37.15 | | | 277 | | 1:16.85 | 2:44.55 | 4:13.40 |
| 7. | Theo MILNER | (13) | Biggleswade | | 5:41.71 | | | 266 | | 1:17.70 | 2:45.85 | 4:15.97 |
| 8. | Fredrik STEEVES | (13) | Wycombe Dist | | 5:50.46 | | | 247 | | 1:19.41 | 2:53.44 | 4:24.52 |
14 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Mihailo VUCKOVIC | (12) | Ealing | | 4:27.23 | | | 557 | | 1:01.58 | 2:09.49 | 3:17.77 |
| 2. | Kacper NOWOSIELSKI | (12) | Ealing | | 4:34.66 | | | 513 | | 1:01.52 | 2:10.64 | 3:22.88 |
| 3. | Jack CANHAM | (11) | Team Luton | | 4:36.78 | | | 501 | | 1:04.19 | 2:14.77 | 3:26.72 |
| 4. | Karim MADANI | (12) | Ealing | | 5:02.81 | | | 383 | | 1:08.60 | 2:25.74 | 3:43.82 |
| 5. | Adam MESSIS | (12) | Ealing | | 5:12.64 | | | 348 | | 1:11.79 | 2:30.94 | 3:52.53 |
| 6. | Isaac GREEN | (12) | Wycombe Dist | | 5:18.61 | | | 329 | | 1:11.80 | 2:35.49 | 3:58.44 |
15 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Xavier ZERBAN | (11) | Biggleswade | | 4:22.22 | | | 590 | | 1:01.16 | 2:07.36 | 3:14.98 |
| 2. | Stewart BUTLER | (10) | Dunstable | | 4:32.52 | | | 525 | | 1:01.94 | 2:11.16 | 3:23.29 |
| 3. | Joseph EMMS | (11) | Biggleswade | | 4:39.56 | | | 487 | | 1:04.99 | 2:16.22 | 3:27.97 |
| 4. | Nathaniel NG | (11) | Ealing | | 4:56.21 | | | 409 | | 1:06.52 | 2:22.80 | 3:40.12 |
| 5. | Henry TAYLOR | (10) | Biggleswade | | 4:57.48 | | | 404 | | 1:09.19 | 2:25.13 | 3:41.84 |
| 6. | Noah BRAZEL-HAWKINS | (11) | Dunstable | | 5:02.07 | | | 386 | | 1:10.68 | 2:28.37 | 3:47.03 |
16 Yrs/Over Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 100 | 200 | 300 |
| 1. | Hayden JOHNSON | (10) | Biggleswade | | 4:51.50 | | | 429 | | 1:06.54 | 2:20.01 | 3:37.59 |
