EVENT 407 Men Open 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 2 | James Goodwin | 18 | | Satellite | 1:12.11 |
| 4 | 7 | Charlie Shine | 16 | | Bury & Elton | 1:14.87 |
| 5 | 6 | Daniel Cannavan | 16 | | Aquabears | 1:10.97 |
| 6 | 1 | Giorgio Oxby | 17 | SB14 | Stockport Mo | 1:15.49 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 9 | Brandon Taylor | 14 | | Chorley Marl | 1:14.87 |
| 2 | 11 | Harris Rollaston | 15 | | Trafford Met | 1:14.78 |
| 3 | 13 | Finnian Malcolm | 15 | | N'wich Seals | DN:C . |
| 4 | 15 | Cameron Ayres | 16 | | Southport | 1:12.41 |
| 5 | 14 | Lawrence Ndadaye | 16 | | Stretford | 1:14.68 |
| 6 | 12 | Thomas O'Brien | 14 | | Stockport Mo | 1:12.16 |
| 7 | 10 | Finnian Malcolm | 15 | | N'wich Seals | 1:12.67 |
| 8 | 8 | Reagan Young | 14 | | Wirral Metro | 1:11.74 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 18 | Max Harvey | 15 | | Co Liverpool | 1:12.62 |
| 2 | 20 | Oliver Salimbeni | 15 | | Co Manch Aq | 1:11.41 |
| 3 | 23 | Maxwell Sturzaker | 16 | | Blackpool Aq | 1:11.30 |
| 4 | 25 | Harvey Kinnear | 15 | | Preston | 1:14.16 |
| 5 | 24 | Connor Mealin | 16 | | Io Man | 1:13.27 |
| 6 | 21 | Oliver Parry | 14 | | Oldham Aqua | 1:13.03 |
| 7 | 19 | Joseph Jones | 16 | | Southport | DN:C . |
| 8 | 17 | Lewis Gilbert | 15 | | Co Manch Aq | 1:11.66 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 29 | Jonathon Waters | 14 | | Preston | 1:11.50 |
| 2 | 36 | Thomas O'Donnell | 17 | | Southport | 1:10.01 |
| 3 | 43 | William Murray | 21 | | Winsford | 1:08.63 |
| 4 | 50 | Luke Adams | 20 | | Co Salford | 1:07.87 |
| 5 | 47 | Xuanming Guo | 15 | | Co Manch Aq | 1:08.15 |
| 6 | 40 | Haydn Burns | 16 | | Stockport Mo | 1:10.10 |
| 7 | 32 | Finley Quayle | 17 | | Copeland | 1:11.79 |
| 8 | 26 | Luke Berry | 16 | | Bolton Metro | 1:12.04 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 30 | William Last | 18 | | Co Manch Aq | 1:17.05 |
| 2 | 38 | Daniel Beattie | 16 | | Stockport Mo | 1:09.66 |
| 3 | 44 | Gyoktug Molla | 17 | | Ulverston | 1:09.12 |
| 4 | 51 | Davey Unwin | 16 | | Stockport Mo | 1:08.39 |
| 5 | 48 | Jake Reynolds | 18 | | Blackburn | 1:08.27 |
| 6 | 41 | Adam Bradley | 15 | | Co Liverpool | 1:07.53 |
| 7 | 34 | Logan Mulhall-Reid | 16 | | Warrington W | 1:09.02 |
| 8 | 27 | Eber Meyer Clayton | 16 | | Stretford | 1:12.06 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 31 | Peter Thompson | 16 | | Co Liverpool | 1:08.22 |
| 2 | 39 | James Rollaston | 19 | | Trafford Met | 1:08.76 |
| 3 | 45 | James Escolme | 16 | | Carnforth | 1:13.15 |
| 4 | 52 | Daniel Kinsella | 20 | | Co Liverpool | 1:03.95 |
| 5 | 49 | R Rowbotham-Keating | 17 | | Co Manch Aq | 1:05.57 |
| 6 | 42 | Ben Middleton | 19 | | Stockport Mo | 1:06.65 |
| 7 | 35 | Luke Aitken | 14 | | Co Salford | 1:10.51 |
| 8 | 28 | Mackinlay Houghton | 18 | | Halton | 1:10.64 |