EVENT 203 Mens MC 200m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 2 | 2 | Jack Andersen | 05 | SM6 | Co Peterboro | 4:27.27 |
| 3 | 4 | Marcus Harvey | 05 | SM14 | Littleh'pton | 4:16.86 |
| 4 | 6 | Ethan Naisbitt | 03 | SM9 | Pioneer 79 | 4:06.16 |
| 5 | 5 | Sebastian Williams | 04 | SM6 | Barnet Copt | 4:12.22 |
| 6 | 3 | Josh Coomer | 04 | SM6 | Dover Life | 4:26.77 |
| 7 | 1 | Nathan Dallaston | 03 | SM7 | Harrogate | 5:07.38 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 8 | Jacob Chambers | 03 | SM8 | Co Manch Aq | 3:58.57 |
| 2 | 10 | Zachary Tandy | 03 | SM10 | Abertillery | 3:46.59 |
| 3 | 12 | William Whitehead | 05 | SM8 | Rotherham Mo | 3:29.89 |
| 4 | 14 | Liam Hardy | 03 | SM14 | Co Manch Aq | 3:26.03 |
| 5 | 13 | Kian Saville | 00 | SM10 | Daventry | 3:27.12 |
| 6 | 11 | Balthazar Bradshaw | 06 | SM10 | Chelsea&West | 3:30.47 |
| 7 | 9 | Jamie Markall | 03 | SM8 | Orion | 3:48.56 |
| 8 | 7 | Levi Codling | 04 | SM7 | Coalville | 3:59.26 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 16 | Leo McCrea | 03 | SM6 | Bourmth Coll | 3:23.62 |
| 2 | 18 | Andrew Mullen | 96 | SM5 | Co Glasgow | 3:16.70 |
| 3 | 20 | Mark Snelling | 95 | SM14 | Harrogate | 3:15.94 |
| 4 | 22 | Maximilian Tulloch | 05 | SM9 | Chalfont | 3:13.38 |
| 5 | 21 | Alexander Goodman | 91 | SM7 | Portsmouth N | 3:15.24 |
| 6 | 19 | Conor Freeman | 01 | SM14 | Leic Peng | 3:16.33 |
| 7 | 17 | Matthew Harding | 99 | SM6 | Wirral Metro | 3:22.51 |
| 8 | 15 | Leo Johnson | 93 | SM8 | Out To Swim | 3:24.72 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 24 | Owen Say | 01 | SM8 | Bracknell | 3:07.91 |
| 2 | 26 | Matthew Clowes | 99 | SM8 | Caradon | 3:05.24 |
| 3 | 28 | Luke Batty | 05 | SM9 | Bolton Metro | 3:02.77 |
| 4 | 30 | Samuel Whearty | 02 | SM9 | Colchester | 3:02.29 |
| 5 | 29 | Reilly Shanahan | 00 | SM9 | Shrewsbury | 3:02.50 |
| 6 | 27 | Owen Garsides | 01 | SM14 | KingstonHull | 3:02.86 |
| 7 | 25 | Peter Harper | 98 | SM14 | Marlborough | 3:06.53 |
| 8 | 23 | Adam Donnachie | 00 | SM8 | Eastkilbride | 3:13.26 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 32 | Andrew Keeler | 96 | SM14 | Devonport | 2:57.12 |
| 2 | 34 | Ryan Potter | 03 | SM14 | Blackpool Aq | 2:53.04 |
| 3 | 36 | Connor Boyfield | 98 | SM9 | Boston | 2:48.35 |
| 4 | 38 | Oludaisi Adefisan | 00 | SM9 | Beckenham | 2:46.32 |
| 5 | 37 | Caleb Grace | 98 | SM14 | Littleh'pton | 2:47.81 |
| 6 | 35 | Kyle Hughes | 01 | SM9 | Motherwell W | 2:52.07 |
| 7 | 33 | Scott Hadley | 98 | SM8 | Orion | 2:56.47 |
| 8 | 31 | Dylan Bleakley | 03 | SM14 | East Lothian | 2:59.20 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 40 | Conor Ballard | 02 | SM10 | Leatherhead | 2:45.70 |
| 2 | 42 | Evan Holt | 03 | SM14 | Cockermouth | 2:42.37 |
| 3 | 44 | Joshua Monaghan-Coombs | 98 | SM9 | Bath Univ | 2:42.19 |
| 4 | 46 | Benjamin Grainger | 03 | SM10 | Mt Kelly | 2:41.56 |
| 5 | 45 | Adam Whyborne | 01 | SM10 | Billingham | 2:41.66 |
| 6 | 43 | Joshua Fairchild | 98 | SM14 | Co Coventry | 2:42.30 |
| 7 | 41 | Christian Buchanan | 01 | SM14 | Musselburgh | 2:44.41 |
| 8 | 39 | Christopher Currie | 94 | SM14 | Co Oxford | 2:46.19 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 48 | Angus Leckonby | 02 | SM14 | Scarborough | 2:38.14 |
| 2 | 50 | Jacob Leach | 00 | SM8 | Cockermouth | 2:33.18 |
| 3 | 52 | Sol Bressat | 95 | SM14 | TigersJersey | 2:28.72 |
| 4 | 54 | Matthew Gibson | 98 | SM14 | Derwentside | 2:28.14 |
| 5 | 53 | Harry Wellington | 99 | SM13 | Gloucester | 2:28.54 |
| 6 | 51 | Oliver Carter | 00 | SM10 | Carnegie | 2:30.61 |
| 7 | 49 | James Edwards | 99 | SM14 | Calne Alpha | 2:33.68 |
| 8 | 47 | Tom Piggott | 00 | SM10 | Shrewsbury | 2:39.07 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 56 | Jon Law | 97 | SM13 | Helensburgh | 2:27.29 |
| 2 | 58 | Louis Lawlor | 02 | SM14 | Co Glasgow | 2:26.17 |
| 3 | 60 | Jack Milne | 01 | SM14 | Dun City Aqu | 2:23.58 |
| 4 | 62 | Conner Morrison | 97 | SM14 | Aberdeen Per | 2:22.16 |
| 5 | 61 | Liam Spence | 00 | SM14 | KingstonHull | 2:22.62 |
| 6 | 59 | George Kelman-Johns | 01 | SM14 | Sborne Storm | 2:26.05 |
| 7 | 57 | Cameron Vearncombe | 02 | SM14 | Plymouth Lea | 2:27.08 |
| 8 | 55 | Benjamin Foulston | 00 | SM10 | Nova Cent'n | 2:27.67 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 64 | Matthew Redfern | 98 | SM13 | Worcester | 2:20.48 |
| 2 | 66 | Tyler Ioannou | 98 | SM14 | Bracknell | 2:18.37 |
| 3 | 68 | Thomas Hamer | 98 | SM14 | Co Manch Aq | 2:15.43 |
| 4 | 70 | Kahoru Harazawa | 97 | SM10 | Loughboro Un | 2:12.32 |
| 5 | 69 | Jack Thomas | 95 | SM14 | Conwy | 2:12.89 |
| 6 | 67 | Jordan Catchpole | 99 | SM14 | Co Norwich | 2:17.44 |
| 7 | 65 | Scott Quin | 90 | SM14 | Warrender Ba | 2:20.23 |
| 8 | 63 | Alex Rosser | 96 | SM14 | Swansea Aq | 2:22.05 |