EVENT 201 Open/Male 12 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Nikodem DORSZ | 12 | Co Liverpool | 6:13.60 |
| 4 | 3 | Myles BEST | 13 | Co Liverpool | 5:53.61 |
| 5 | 2 | Harry PROTHERO | 12 | Co Liverpool | 5:57.34 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Daniel RYKOWSKI | 14 | Leyland Barr | 5:35.83 |
| 2 | 7 | Eric BAO | 14 | Co Liverpool | 5:32.47 |
| 3 | 9 | Ben BEDFORD | 17 | Clitheroe | 5:18.70 |
| 4 | 11 | William BIRCHALL | 15 | Satellite | 5:11.90 |
| 5 | 10 | Henry SANDERSON | 18 | Bebington | 5:17.20 |
| 6 | 8 | William STAMPER | 14 | Co Liverpool | 5:28.83 |
| 7 | 6 | Samuel LUTAS | 15 | Co Liverpool | 5:32.80 |
| 8 | 4 | Isaac ROBINSON | 13 | Co Sheffield | 5:47.65 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Daniel FRENCH | 15 | Wirral Metro | 5:08.10 |
| 2 | 15 | George PEARCE | 15 | Co Liverpool | 5:02.05 |
| 3 | 17 | Ben STEPHENSON | 15 | Wirral Metro | 5:00.50 |
| 4 | 19 | Oscar DONNELLY | 18 | Co Liverpool | 4:56.30 |
| 5 | 18 | James VAUGHAN | 16 | Ather & Leig | 4:58.00 |
| 6 | 16 | Finlay BYRNE | 15 | Southport | 5:00.93 |
| 7 | 14 | Kc GRIMSHAW | 17 | Wigan BEST | 5:02.96 |
| 8 | 12 | Leo ASHCROFT | 14 | Ather & Leig | 5:08.60 |