EVENT 208 Mens MC 200m IM NAT - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 2 | Sebastian Williams | 04 | SM6 | Barnet Copt | 4:04.01 |
| 1 | 4 | Jacob Chambers | 03 | SM8 | Co Manch Aq | 3:37.82 |
| 2 | 6 | Ethan Naisbitt | 03 | SM9 | Pioneer 79 | 3:26.64 |
| 3 | 8 | William Whitehead | 05 | SM8 | Rotherham Mo | 3:22.28 |
| 4 | 10 | William Perry | 00 | SM6 | Mt Kelly | 3:21.95 |
| 5 | 9 | Roan Brennan | 06 | SM9 | Basildon Ph | 3:21.97 |
| 6 | 7 | Owen Woodrow | 01 | SM8 | Co Norwich | 3:24.69 |
| 7 | 5 | Levi Codling | 04 | SM7 | Coalville | 3:36.52 |
| 8 | 3 | Jamie Markall | 03 | SM8 | Orion | 3:40.66 |
| 9 | 1 | Bruce Dee | 06 | SM6 | Northampton | 4:25.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 12 | Matthew Harding | 99 | SM6 | Wirral Metro | 3:21.71 |
| 1 | 14 | Conor Freeman | 01 | SM14 | Leic Peng | 3:16.33 |
| 2 | 16 | Leo McCrea | 03 | SM6 | Bourmth Coll | 3:14.29 |
| 3 | 18 | Rhys Gill | 02 | SM9 | Ythan | 3:09.65 |
| 4 | 20 | Peter Harper | 98 | SM14 | Marlborough | 3:05.77 |
| 5 | 19 | Adam Donnachie | 00 | SM8 | Eastkilbride | 3:06.07 |
| 6 | 17 | Liam Hardy | 03 | SM14 | Co Manch Aq | 3:14.18 |
| 7 | 15 | Mark Snelling | 95 | SM14 | Harrogate | 3:15.94 |
| 8 | 13 | Leo Johnson | 93 | SM8 | Out To Swim | 3:18.85 |
| 9 | 11 | Balthazar Bradshaw | 06 | SM10 | Chelsea&West | 3:21.76 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 24 | Luke Batty | 05 | SM9 | Bolton Metro | 2:58.48 |
| 1 | 30 | Owen Garsides | 01 | SM14 | KingstonHull | 2:45.21 |
| 2 | 36 | Joshua Monaghan-Coombs | 98 | SM9 | Bath Univ | 2:38.96 |
| 3 | 42 | Callum Pearson | 96 | SM10 | Hastings | 2:30.26 |
| 4 | 48 | Louis Lawlor | 02 | SM14 | Co Glasgow | 2:23.96 |
| 5 | 45 | James Edwards | 99 | SM14 | Calne Alpha | 2:27.00 |
| 6 | 39 | Tom Piggott | 00 | SM10 | Oswestry Ott | 2:37.35 |
| 7 | 33 | Caleb Grace | 98 | SM14 | Littleh'pton | 2:41.18 |
| 8 | 27 | Charlie Coulam | 03 | SM10 | Bridlington | 2:53.55 |
| 9 | 21 | Reilly Shanahan | 00 | SM9 | Shrewsbury | 3:02.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 25 | Scott Hadley | 98 | SM8 | Orion | 2:56.47 |
| 1 | 31 | Connor Boyfield | 98 | SM9 | Boston | 2:44.39 |
| 2 | 37 | Adam Roebuck | 00 | SM14 | Caradon | 2:37.47 |
| 3 | 43 | Jon Law | 97 | SM13 | UniOfStirl | 2:30.05 |
| 4 | 49 | Matthew Redfern | 98 | SM13 | Worcester | 2:22.85 |
| 5 | 46 | Dylan Broom | 02 | SM14 | Torfaen D | 2:26.31 |
| 6 | 40 | Conor Ballard | 02 | SM10 | Leatherhead | 2:37.19 |
| 7 | 34 | Evan Holt | 03 | SM14 | Cockermouth | 2:40.09 |
| 8 | 28 | Ryan Potter | 03 | SM14 | Blackpool Aq | 2:53.04 |
| 9 | 22 | Maximilian Tulloch | 05 | SM9 | Chalfont | 3:02.31 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 26 | George Eldredge | 01 | SM14 | Brompton | 2:55.46 |
| 1 | 32 | Joshua Fairchild | 98 | SM14 | Co Coventry | 2:41.28 |
| 2 | 38 | Adam Whyborne | 01 | SM10 | Billingham | 2:37.46 |
| 3 | 44 | Cameron Vearncombe | 02 | SM14 | Newquay | 2:27.08 |
| 4 | 50 | Rhys Davies | 01 | SM14 | Pembs Cty | 2:20.72 |
| 5 | 47 | George Kelman-Johns | 01 | SM14 | Clayesmore | 2:25.77 |
| 6 | 41 | Angus Leckonby | 02 | SM14 | Scarborough | 2:36.87 |
| 7 | 35 | Gavin Roberts | 99 | SM14 | Co Glasgow | 2:39.63 |
| 8 | 29 | Kyle Hughes | 01 | SM9 | Motherwell W | 2:52.07 |
| 9 | 23 | Owen Say | 01 | SM8 | Bracknell | 3:01.93 |