EVENT 110 Mens Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Niall Connell | 14 | Co Coventry | 4:53.40 |
| 4 | 3 | Ethan Grace-Riches | 15 | Lincoln Vulc | 4:47.28 |
| 5 | 2 | Alexander Casey | 14 | Co Leicester | 4:49.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Ryan Huddart | 17 | Derventio | 4:46.15 |
| 2 | 7 | Jamie Dark | 15 | Boldmere | 4:45.40 |
| 3 | 9 | George Barber | 17 | Royal Wolv | 4:44.54 |
| 4 | 11 | Ryan Wilcox | 16 | Nova Cent'n | 4:43.50 |
| 5 | 10 | Jevon Penny | 15 | Northampton | 4:43.80 |
| 6 | 8 | Daniel Kennedy | 14 | Co Leicester | 4:45.00 |
| 7 | 6 | Matthew Holland | 20 | Wolv'hampton | 4:46.00 |
| 8 | 4 | Patrick Mahney | 15 | Northampton | 4:47.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 14 | Joshua Skinner | 15 | Nova Cent'n | 4:41.10 |
| 2 | 18 | Joseph Kingsland | 15 | Nova Cent'n | 4:39.60 |
| 3 | 22 | Jack Buswell | 17 | Northampton | 4:30.70 |
| 4 | 26 | Archie Plowman | 17 | Northampton | 4:26.76 |
| 5 | 24 | Jackson O'Rourke | 16 | Northampton | 4:29.00 |
| 6 | 20 | Thomas Beamer | 16 | Co Leicester | 4:37.10 |
| 7 | 16 | Aron Preece | 19 | Nova Cent'n | 4:40.68 |
| 8 | 12 | Luke Skelding | 16 | Royal Wolv | 4:43.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Joshua Vance | 15 | Northampton | 4:40.90 |
| 2 | 19 | Harvey Freeman | 14 | Northampton | 4:37.60 |
| 3 | 23 | Joshua Harris | 17 | Nova Cent'n | 4:29.40 |
| 4 | 27 | William Bell | 16 | Co Leicester | 4:21.10 |
| 5 | 25 | Edward Mildred | 15 | Northampton | 4:27.20 |
| 6 | 21 | Ben Cope | 17 | Royal Wolv | 4:33.80 |
| 7 | 17 | Joel Weston | 18 | Co Leicester | 4:39.60 |
| 8 | 13 | Louis Fenson | 16 | Co Coventry | 4:43.30 |