EVENT 206 Open/Male MC 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 2 | Mark Tompsett | 18 | SB14 | GBR - CMAN | |
| 1 | 4 | George Longley | 15 | SB6 | Carnforth | 2:24.95 |
| 2 | 6 | Andrew Griffiths | 42 | SB7 | East Leeds | 2:02.77 |
| 3 | 8 | Joe Field | 16 | SB5 | RichmondDale | 1:59.11 |
| 4 | 10 | Arnaut Vandenabeele | 17 | SB9 | BELGIUM | 1:45.01 |
| 5 | 9 | Theo Reynolds | 17 | SB6 | Barnstaple | 1:51.61 |
| 6 | 7 | McKenzie O'Reilly | 15 | SB8 | Gloucester | 2:00.13 |
| 7 | 5 | Sam Downie | 18 | SB7 | GBR - EMHX | 2:04.42 |
| 8 | 3 | Sidney Roskilly | 13 | SB6 | RichmondDale | 2:44.53 |
| 9 | 1 | Harry Stewart | 20 | SB14 | GBR - PLYW | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 12 | Jorge Juan Palau Galdo | 22 | SB6 | SPAIN | 1:40.08 |
| 1 | 14 | Oliver Hewitt | 15 | SB9 | Warrender Ba | 1:35.89 |
| 2 | 16 | Richard Leib | 20 | SB14 | ESTONIA | 1:34.19 |
| 3 | 18 | Bruce Dee | 18 | SB6 | GBR - NHNA | 1:31.29 |
| 4 | 20 | Luke Batty | 19 | SB9 | GBR - BTMN | 1:30.28 |
| 5 | 19 | Leo McCrea | 21 | SB5 | SWITZERLAND | 1:30.36 |
| 6 | 17 | Ashton Platts | 14 | SB14 | Dover Life | 1:33.62 |
| 7 | 15 | Noah Burden | 16 | SB9 | Satellite | 1:35.57 |
| 8 | 13 | Nathan Brown | 19 | SB9 | Bev Barracud | 1:36.76 |
| 9 | 11 | Jan Berteloot | 32 | SB8 | BELGIUM | 1:41.49 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 24 | Jacob Wood | 18 | SB8 | Gloucester | 1:25.17 |
| 1 | 30 | Lewis Jones | 18 | SB8 | ArunTridents | 1:21.15 |
| 2 | 36 | Javer LabradorFernande | 23 | SB14 | SPAIN | 1:17.42 |
| 3 | 42 | Rogier Dorsman | 25 | SB11 | NETHERLANDS | 1:10.31 |
| 4 | 48 | Ryan Potter | 21 | SB14 | Preston | 1:08.55 |
| 5 | 45 | Cameron Vearncombe | 22 | SB14 | GBR - BRIW | 1:09.20 |
| 6 | 39 | Andreas Onea | 32 | SB8 | AUSTRIA | 1:11.35 |
| 7 | 33 | Jude Gunner | 15 | SB14 | St Felix Sch | 1:18.19 |
| 8 | 27 | Jaime Montero Marrades | 19 | SB9 | SPAIN | 1:23.89 |
| 9 | 21 | Andrew Beharie | 21 | SB14 | Blyth | 1:26.57 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 25 | Archie Hare | 16 | SB11 | RichmondDale | 1:24.61 |
| 1 | 31 | Nathan McManus | 17 | SB14 | GBR - PLYW | 1:20.79 |
| 2 | 37 | Matthew Redfern | 26 | SB13 | GBR - WORM | 1:15.67 |
| 3 | 43 | Jack Milne | 23 | SB14 | GBR - NUAX | 1:09.95 |
| 4 | 49 | Aymeric Parmentier | 31 | SB14 | BELGIUM | 1:08.24 |
| 5 | 46 | Maurice Wetekam | 18 | SB9 | GERMANY | 1:08.89 |
| 6 | 40 | Joseph Greaves | 21 | SB14 | Nova Cent'n | 1:11.03 |
| 7 | 34 | Justin Kaps | 23 | SB9 | GERMANY | 1:18.08 |
| 8 | 28 | Zach Shattuck | 28 | SB6 | USA | 1:23.76 |
| 9 | 22 | William Newton | 16 | SB14 | Co Coventry | 1:26.44 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 26 | Evan Austin | 32 | SB6 | USA | 1:24.44 |
| 1 | 32 | Corey Hare | 18 | SB14 | teamipswich | 1:18.49 |
| 2 | 38 | Giorgio Oxby | 19 | SB14 | Stockport Mo | 1:13.80 |
| 3 | 44 | Gavin Roberts | 25 | SB14 | GBR - WCGX | 1:09.67 |
| 4 | 50 | Scott Quin | 34 | SB14 | GBR - EEUX | 1:05.28 |
| 5 | 47 | James Leroux | 26 | SB9 | CANADA | 1:08.56 |
| 6 | 41 | Rhys Darbey | 17 | SB14 | GBR - NCPY | 1:10.64 |
| 7 | 35 | William Ellard | 18 | SB14 | GBR - SFST | 1:17.60 |
| 8 | 29 | Matthew Davies | 20 | SB8 | Co South'ton | 1:22.44 |
| 9 | 23 | Thijs Van Hofweegen | 28 | SB6 | NETHERLANDS | 1:25.92 |