Open/Male 400m IM - Heats (Declared Winners)
12 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | Mason TRAYNOR | (13) | Coalville | | 5:17.95 | | | 402 | |
| 2. | Oliver DORAN | (13) | Leic Peng | | 6:13.59 | | | 248 | |
| 3. | Daniil OBUHOV | (13) | Braunstone | | 6:23.37 | | | 229 | |
13 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | Maxwell BURDETT | (12) | Leic Peng | | 5:08.35 | | | 441 | |
| 2. | Nicholas LUNN | (12) | Coalville | | 5:54.36 | | | 290 | |
| 3. | Austin GRAHAM | (12) | Leic Peng | | 6:02.83 | | | 271 | |
14 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | Jacson CRABB | (11) | Leic Sharks | | 4:59.28 | | | 482 | |
| 2. | Harvey GOODWIN | (11) | Hinckley | | 5:43.33 | | | 319 | |
| 3. | Seth GARDNER | (11) | Loughborough | | 5:47.34 | | | 308 | |
| 4. | Samuel HICKS | (11) | Hinckley | | 5:47.78 | | | 307 | |
| 5. | Andrei OBUHOV | (11) | Braunstone | | 5:53.81 | | | 292 | |
15 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | Jack SMITH | (10) | Leic Sharks | | 4:41.02 | | | 583 | |
| 2. | Harry LUCAS | (10) | Braunstone | | 4:55.52 | | | 501 | |
| 3. | Freddie BURDETT | (10) | Leic Peng | | 4:57.37 | | | 492 | |
| 4. | Emerson-Blu GUPWELL | (10) | Braunstone | | 5:00.82 | | | 475 | |
| 5. | Peter NIGHTINGALE | (10) | Coalville | | 5:10.94 | | | 430 | |
| 6. | Theo BLACK | (10) | Leic Sharks | | 5:12.28 | | | 425 | |
| 7. | James NIGHTINGALE | (10) | Coalville | | 5:15.74 | | | 411 | |
| 8. | Victor BRAMLEY-HOWELL | (10) | Leic Peng | | 5:30.65 | | | 358 | |
| 9. | Finley FOWLER | (10) | Coalville | | 5:33.19 | | | 350 | |
16/17 Yrs Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | James HOCKEY | (09) | Coalville | | 5:11.14 | | | 429 | |
| 2. | Ethan SIMMONDS | (09) | Leicester Ne | | 5:11.35 | | | 428 | |
| 3. | Benjamin BOULTER | (08) | Leicester Ne | | 5:13.48 | | | 420 | |
| 4. | Oliver LOND | (08) | Hinckley | | 5:17.55 | | | 404 | |
| | William BURDOCK | (09) | Melton M'bry | | DQ 7 .6L | | | | |
18 Yrs/Over Age Group - Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | |
| 1. | James LAKE | (07) | Loughborough | | 4:46.19 | | | 552 | |
| 2. | Lewis FITCH | (07) | Braunstone | | 4:49.19 | | | 535 | |
| 3. | Jack GOLDFINCH | (06) | Loughborough | | 4:59.15 | | | 483 | |
| 4. | Harrison BYWATER | (07) | Loughborough | | 5:04.41 | | | 458 | |
| 5. | Charlie JAMES | (06) | Market Har | | 5:05.89 | | | 452 | |
| 6. | James GOODWIN | (05) | OadbyWigston | | 5:15.62 | | | 411 | |
