EVENT 101 Men Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 2 | L Baughan-Withington | 08 | KingstonHull | 17:51.88 |
| 1 | 4 | Matthew James | 08 | Co Leeds | 17:50.81 |
| 2 | 6 | Jack Collins | 08 | Co Sheffield | 17:46.79 |
| 3 | 8 | Harry Pearse | 08 | Mt Kelly | 17:43.25 |
| 4 | 10 | Thomas Belt | 08 | Penzance | 17:37.80 |
| 5 | 9 | Euan Walker | 04 | Ren 96 | 17:37.88 |
| 6 | 7 | William Hicklin | 09 | Co Leeds | 17:45.45 |
| 7 | 5 | Oscar Chirnside | 08 | Garioch | 17:48.31 |
| 8 | 3 | Oscar Goldsmith | 08 | South Lincs | 17:51.16 |
| 9 | 1 | Thomas Jennings | 08 | Portsmouth N | 18:00.56 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 12 | Callum Kettlewell | 04 | Bassetlaw SS | 17:28.00 |
| 1 | 14 | Matthew Deffains | 07 | TigersJersey | 17:23.83 |
| 2 | 16 | Kai Connolly | 07 | Co Glasgow | 17:22.65 |
| 3 | 18 | Daniel Walker | 07 | Nova Cent'n | 17:19.40 |
| 4 | 20 | Alex Austin | 04 | Hillingdon | 17:18.78 |
| 5 | 19 | Finlay Pope | 07 | Stockport Mo | 17:18.83 |
| 6 | 17 | Jamie Steadman | 07 | Clevedon | 17:21.36 |
| 7 | 15 | Alex Sadler | 07 | South Lincs | 17:23.57 |
| 8 | 13 | Ethan Potter | 08 | Co Sheffield | 17:27.76 |
| 9 | 11 | Elliot Lawton | 08 | Co Coventry | 17:37.08 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 22 | Nathan Chapman | 04 | Mt Kelly | 17:16.88 |
| 1 | 24 | Alex Keeble | 04 | Leic Sharks | 17:16.01 |
| 2 | 26 | Jack Bamborough | 08 | Co Cardiff | 17:14.81 |
| 3 | 28 | George Daintith | 08 | Warrington W | 17:13.41 |
| 4 | 30 | Lucas Ellis-Sixsmith | 07 | Nofio Clwyd | 17:12.89 |
| 5 | 29 | Luke Poulton | 06 | Wycombe Dist | 17:13.24 |
| 6 | 27 | Philip Cinpoes | 07 | Kingston Roy | 17:13.57 |
| 7 | 25 | Kenechukwu Harris-Eze | 07 | Barnet Copt | 17:14.84 |
| 8 | 23 | Adam Wright | 06 | Winsford | 17:16.18 |
| 9 | 21 | Samuel Williams | 07 | Wycombe Dist | 17:18.17 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 32 | Razvan Grumazescu | 04 | Northampton | 17:09.05 |
| 1 | 34 | Luke Stevens | 06 | Leic Sharks | 17:04.76 |
| 2 | 36 | Tom Hawkins | 07 | RTW Monson | 17:02.15 |
| 3 | 38 | Joshua Keogh | 08 | Bolton Metro | 17:01.75 |
| 4 | 40 | Hayden Annan | 07 | RTW Monson | 17:01.40 |
| 5 | 39 | Kyle Offer | 04 | Co Coventry | 17:01.58 |
| 6 | 37 | Samuel Grimes | 06 | Wigan BEST | 17:02.07 |
| 7 | 35 | Lewis Turner | 06 | Winsford | 17:03.73 |
| 8 | 33 | Raheel Mahmood | 07 | Romford Town | 17:06.94 |
| 9 | 31 | Billy Bainbridge | 06 | Teddington | 17:11.91 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 42 | Dante Sinnott | 07 | Barnet Copt | 17:00.54 |
| 1 | 44 | Ben McLaughlin | 06 | Garioch | 16:59.64 |
| 2 | 46 | Ronnie Weall | 07 | Warrington W | 16:57.11 |
| 3 | 48 | Isaac Thompson | 08 | TigersJersey | 16:56.76 |
| 4 | 50 | Oliver Rowe | 06 | Mt Kelly | 16:54.82 |
| 5 | 49 | Scott Fleming | 06 | Eastkilbride | 16:55.60 |
| 6 | 47 | Daniel McGuinness | 06 | Basildon Ph | 16:56.91 |
| 7 | 45 | Samuel Sterry | 07 | TigersJersey | 16:57.48 |
| 8 | 43 | Ryan Coulthard | 03 | Co Manch Aq | 17:00.30 |
| 9 | 41 | Patrick Meggitt | 88 | Co Hereford | 17:00.86 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 52 | Thomas Wilkinson | 06 | Co Sheffield | 16:53.22 |
| 1 | 54 | Daniel English | 02 | Birm'ham Uni | 16:52.06 |
| 2 | 56 | Joseph Moment | 06 | KingstonHull | 16:51.65 |
| 3 | 58 | Daniel Cox | 04 | Wycombe Dist | 16:50.53 |
| 4 | 60 | Max Russell | 06 | Co Sheffield | 16:46.75 |
| 5 | 59 | Luca Staines | 04 | Wycombe Dist | 16:48.25 |
| 6 | 57 | Tom McCabe | 05 | Stockport Mo | 16:51.63 |
| 7 | 55 | Arthur Logan | 04 | Crawley | 16:51.96 |
| 8 | 53 | Llewellyn Porter | 08 | Camden Swiss | 16:52.66 |
| 9 | 51 | Lawrence Elliott | 05 | Seagulls SC | 16:54.02 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 62 | Thomas Deffains | 04 | Mt Kelly | 16:46.29 |
| 1 | 64 | Ivan Hart | 06 | Millfield | 16:45.33 |
| 2 | 66 | James Raw | 07 | Co Leicester | 16:43.11 |
| 3 | 68 | Josh Denholm | 05 | Newcastle | 16:42.30 |
| 4 | 70 | James Cummings-Candal | 05 | Portsmouth N | 16:41.01 |
| 5 | 69 | Finn Drysdale | 05 | Royal Wolv | 16:41.47 |
| 6 | 67 | Sean McCann | 05 | Co Leicester | 16:43.03 |
| 7 | 65 | Ben Merriman | 05 | Torfaen D | 16:44.35 |
| 8 | 63 | Samuel Lander | 06 | Bromley | 16:45.88 |
| 9 | 61 | Connor McCarthy | 05 | Romford Town | 16:46.31 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 72 | Luke Critchlow | 05 | Stockport Mo | 16:38.89 |
| 1 | 74 | Noah Jameson Neal | 04 | Plymouth Lea | 16:37.28 |
| 2 | 76 | Kourosh Khodakhah | 07 | Co Leeds | 16:35.99 |
| 3 | 78 | Harry Hewitt | 05 | Millfield | 16:31.82 |
| 4 | 80 | Joseph Kingsland | 03 | Nova Cent'n | 16:30.64 |
| 5 | 79 | Jack Booth Rudd | 04 | Maidenhead | 16:31.53 |
| 6 | 77 | Alexander Volkovoy | 05 | Co Salford | 16:32.16 |
| 7 | 75 | Elliot Sibley | 05 | Nova Cent'n | 16:37.20 |
| 8 | 73 | Timothy Leberl | 02 | Beckenham | 16:38.80 |
| 9 | 71 | Freddie James | 02 | Swansea Uni | 16:38.96 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 82 | Luke Hornsey | 06 | East Lothian | 16:30.35 |
| 1 | 84 | Luke Booth | 05 | Rotherham Mo | 16:29.69 |
| 2 | 86 | Jackson O'Rourke | 02 | Northampton | 16:26.67 |
| 3 | 88 | Harry Wynne-Jones | 05 | Co Milton K | 16:24.44 |
| 4 | 90 | Thomas Sansome | 03 | Loughboro Un | 16:19.71 |
| 5 | 89 | Adam Hall | 01 | Loughboro Un | 16:19.77 |
| 6 | 87 | Cameron Carlos | 05 | Barnet Copt | 16:25.00 |
| 7 | 85 | George Pearson | 06 | Wycombe Dist | 16:29.67 |
| 8 | 83 | Max Adams | 04 | Co Salford | 16:30.25 |
| 9 | 81 | Jake Tomkins | 06 | Barnet Copt | 16:30.61 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 92 | Reece Grady | 05 | Stockport Mo | 16:13.36 |
| 1 | 94 | Jack Muncey | 03 | UniOfStirl | 16:07.65 |
| 2 | 96 | Thomas Trebilcock | 03 | Plymouth Lea | 15:59.41 |
| 3 | 98 | Tyler Melbourne-Smith | 05 | Co Liverpool | 15:46.40 |
| 4 | 100 | Nathan Hughes | 00 | Swansea Uni | 15:31.83 |
| 5 | 99 | Hector Pardoe | 01 | Loughboro Un | 15:32.01 |
| 6 | 97 | Joseph Deighan | 03 | Swansea Uni | 15:50.42 |
| 7 | 95 | Joshua Weston | 04 | Wycombe Dist | 16:05.78 |
| 8 | 93 | Michael James Flynn | 03 | Co Glasgow | 16:10.35 |
| 9 | 91 | Matthew Woodhall | 04 | Co Sheffield | 16:19.13 |