EVENT 406 Open/Male 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Nathaniel Costigan | 24 | SB12 | Satellite | 1:33.20 |
| 4 | 4 | Ben Cook | 15 | | Burnley BOBC | 1:11.00 |
| 5 | 3 | Matthew Yeung | 15 | | Co Salford | 1:11.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 12 | Oliver Lambert | 15 | | Co Liverpool | 1:08.90 |
| 3 | 18 | James Rollaston | 21 | | Trafford Met | 1:06.53 |
| 4 | 24 | Luke Adams | 22 | | Co Salford | 1:05.20 |
| 5 | 21 | Callum Nurse | 18 | | Co Manch Aq | 1:06.20 |
| 6 | 15 | Thomas O'Brien | 16 | | Stockport Mo | 1:07.30 |
| 7 | 9 | James Fothergill | 16 | | Co Manch Aq | 1:10.39 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 7 | Logan Warburton | 15 | | Blackpool Aq | 1:10.43 |
| 2 | 13 | Oliver Parry | 16 | | Aquabears | 1:08.60 |
| 3 | 19 | Adam Frost | 29 | | Satellite | 1:06.49 |
| 4 | 25 | Alexander Turnbull | 21 | | Io Man | 1:03.74 |
| 5 | 22 | Joseph Keeley | 31 | | Trafford Met | 1:05.59 |
| 6 | 16 | Jonathon Waters | 16 | | Preston | 1:07.23 |
| 7 | 10 | Adam Kelly | 16 | | Copeland | 1:09.15 |
| 8 | 5 | Thomas Wilde | 16 | | Garston | 1:10.93 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 8 | Brandon Taylor | 16 | | Chorley Marl | 1:10.40 |
| 2 | 14 | Ryan Potter | 21 | SB14 | Preston | 1:08.55 |
| 3 | 20 | King Sum Loo | 17 | | Co Salford | 1:06.49 |
| 4 | 27 | Karnell Nunes-Smith | 20 | | Co Manch Aq | 1:00.71 |
| 5 | 23 | James Escolme | 18 | | Co Manch Aq | 1:05.50 |
| 6 | 17 | Luke Aitken | 16 | | Co Salford | 1:07.10 |
| 7 | 11 | Oscar Donnelly | 16 | | Co Liverpool | 1:09.10 |
| 8 | 6 | Las Al-Dabak | 16 | | Stockport Mo | 1:10.88 |