Boy 11 Yrs/Over 400m IM - Heats (Declared Winners)
11 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | JACK REYNOLDS | 11 | Grantham | | 6:56.51 | | | 179 | |
| | 50m 43.99 | 100m 1:41.02 | 150m 2:34.45 | 200m - | 250m 4:24.65 | 300m 5:25.77 | 350m 6:10.77 | 400m 6:56.51 | |
12 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | JACOB FISH | 12 | Grantham | | 5:32.51 | | | 352 | |
| | 50m 35.48 | 100m 1:16.83 | 150m 2:00.27 | 200m 2:41.85 | 250m 3:28.63 | 300m 4:16.33 | 350m 4:55.23 | 400m 5:32.51 | |
| 2. | ZACH HOPKINSON | 12 | Grantham | | 6:07.03 | | | 261 | |
| | 50m 41.84 | 100m 1:31.55 | 150m - | 200m 3:02.31 | 250m 3:53.66 | 300m 4:43.45 | 350m 5:26.18 | 400m 6:07.03 | |
| 3. | JAMES NICHOLS | 12 | Grantham | | 6:19.40 | | | 237 | |
| | 50m 39.12 | 100m 1:26.04 | 150m 2:14.65 | 200m 3:03.86 | 250m 3:57.29 | 300m 4:51.24 | 350m 5:37.54 | 400m 6:19.40 | |
| 4. | OLIVER SHEPHERD | 12 | Deepings | | 6:36.73 | | | 207 | |
| | 50m 43.88 | 100m 1:36.01 | 150m 2:27.47 | 200m 3:16.53 | 250m 4:13.10 | 300m 5:11.26 | 350m 5:56.27 | 400m 6:36.73 | |
| 5. | LUKE DAYBELL | 12 | Grantham | | 6:48.70 | | | 189 | |
| | 50m 47.07 | 100m - | 150m - | 200m 3:24.56 | 250m 4:24.93 | 300m 5:24.53 | 350m 6:08.25 | 400m 6:48.70 | |
13 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | JOSHUA CLARKE | 13 | Grantham | | 5:42.91 | | | 321 | |
| | 50m 35.41 | 100m 1:17.07 | 150m 2:00.63 | 200m 2:44.70 | 250m 3:35.00 | 300m 4:25.31 | 350m 5:03.92 | 400m 5:42.91 | |
| 2. | DANIEL DEGNAN | 13 | Grantham | | 5:46.41 | | | 311 | |
| | 50m 38.32 | 100m 1:24.19 | 150m 2:06.96 | 200m 2:49.49 | 250m 3:13.99 | 300m 4:28.75 | 350m 5:09.10 | 400m 5:46.41 | |
| 3. | JACOB BRIERS | 13 | Deepings | | 5:48.64 | | | 305 | |
| | 50m 36.32 | 100m 1:21.32 | 150m 2:07.63 | 200m 2:52.59 | 250m 3:39.55 | 300m 4:28.90 | 350m 5:11.32 | 400m 5:48.64 | |
| 4. | JACK CRADOCK | 13 | Deepings | | 6:45.07 | | | 194 | |
| | 50m 38.22 | 100m 1:24.92 | 150m 2:17.82 | 200m 3:10.62 | 250m 4:09.68 | 300m 5:10.25 | 350m 5:58.38 | 400m 6:45.07 | |
14 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | ELIJAH HALLIDAY | 14 | Grantham | | 5:36.90 | | | 338 | |
| | 50m 33.15 | 100m 1:13.51 | 150m 1:59.66 | 200m 2:44.78 | 250m 3:31.02 | 300m 4:18.85 | 350m 4:58.48 | 400m 5:36.90 | |
15 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | OWEN HATHWAY | 15 | Grantham | | 5:17.97 | | | 402 | |
| | 50m 33.02 | 100m 1:11.22 | 150m 1:50.67 | 200m 2:29.99 | 250m 3:18.85 | 300m 4:08.20 | 350m 4:42.96 | 400m 5:17.97 | |
16 Yrs/Over Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | JAMES DOBNEY | 17 | Grantham | | 4:52.13 | | | 519 | |
| | 50m 30.54 | 100m 1:06.00 | 150m 1:45.00 | 200m 2:22.44 | 250m 3:04.06 | 300m 3:45.39 | 350m 4:20.44 | 400m 4:52.13 | |
| 2. | GEORGE BERWICK | 18 | Grantham | | 5:04.49 | | | 458 | |
| | 50m 31.51 | 100m 1:09.25 | 150m 1:50.79 | 200m 2:31.14 | 250m 3:11.20 | 300m 3:53.02 | 350m 4:29.71 | 400m 5:04.49 | |
| 3. | BAILEY JACKSON-CHILVER | 17 | Deepings | | 6:17.15 | | | 241 | |
| | 50m 38.72 | 100m 1:27.23 | 150m 2:13.84 | 200m 3:00.31 | 250m 3:52.20 | 300m 4:46.16 | 350m 5:32.05 | 400m 6:17.15 | |
| 4. | GEORGE SHAW | 24 | Deepings | | 6:26.09 | | | 224 | |
| | 50m 37.08 | 100m 1:22.21 | 150m 2:13.45 | 200m 3:03.61 | 250m 3:56.51 | 300m 4:52.02 | 350m 5:40.68 | 400m 6:26.09 | |