EVENT 203 Open/Male 10 /Over 100m Breaststrok - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Maximilian Moss | 12 | Loughborough | 1:57.40 |
| 3 | 4 | Spencer Cross | 10 | Melton M'bry | 1:53.52 |
| 4 | 6 | Henry Richards | 11 | Northampton | 1:52.50 |
| 5 | 5 | Cohen Britton | 11 | Co Leicester | 1:52.60 |
| 6 | 3 | Otto Davenport | 10 | Loughborough | 1:55.10 |
| 7 | 1 | Liam Edmeades | 10 | Deepings | 1:57.46 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Lewis Ashbridge | 11 | Melton M'bry | 1:47.79 |
| 2 | 10 | Milan Rotgers | 11 | Northampton | 1:38.70 |
| 3 | 12 | Gregory Cross | 12 | Melton M'bry | 1:31.69 |
| 4 | 14 | Willliam Adsetts | 11 | Chesterfield | 1:30.45 |
| 5 | 13 | Vadim Obuhov | 10 | Co Leicester | 1:31.14 |
| 6 | 11 | Jarvis Crawley | 11 | Chesterfield | 1:36.83 |
| 7 | 9 | Finnley Stevenson | 11 | Loughborough | 1:44.70 |
| 8 | 7 | Benjamin Drew | 10 | Loughborough | 1:48.75 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Oscar O'Donnell | 13 | Co Leeds | 1:28.30 |
| 2 | 18 | William Newman-Carter | 12 | Bassetlaw SS | 1:26.82 |
| 3 | 20 | James Oscroft | 12 | Northampton | 1:23.62 |
| 4 | 22 | Rahul Reedha | 12 | Co Leicester | 1:21.91 |
| 5 | 21 | Aden Van Hoorebeek | 14 | Chesterfield | 1:22.91 |
| 6 | 19 | Kushal Mistry | 14 | Northampton | 1:26.10 |
| 7 | 17 | George Ridout | 12 | Bassetlaw SS | 1:27.50 |
| 8 | 15 | Clayton Christensen | 14 | Melton M'bry | 1:28.82 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Kevin Varga | 12 | Co Leicester | 1:20.50 |
| 2 | 26 | Oliver Outtram | 15 | Flitwick | 1:19.67 |
| 3 | 28 | Callum Taylor | 14 | Northampton | 1:18.20 |
| 4 | 30 | Luke Toland | 14 | Flitwick | 1:15.30 |
| 5 | 29 | William Campbell | 17 | Loughborough | 1:16.58 |
| 6 | 27 | Logan Maggs | 13 | Co Leicester | 1:18.42 |
| 7 | 25 | Seth Gillies | 14 | Northampton | 1:20.11 |
| 8 | 23 | William Hands | 13 | Co Leicester | 1:20.95 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Hayden Lam | 15 | Co Leeds | 1:13.04 |
| 2 | 34 | Owen Twigger | 16 | Swansea Aq | 1:11.70 |
| 3 | 36 | Peter Nightingale | 15 | Co Leicester | 1:10.99 |
| 4 | 38 | Benjamin Hatfield | 19 | Lboro Uni | 1:09.89 |
| 5 | 37 | Osian Richardson | 17 | Swansea Aq | 1:10.15 |
| 6 | 35 | Edward Oscroft | 16 | Northampton | 1:11.00 |
| 7 | 33 | Jacob O'Donnell | 15 | Co Leeds | 1:12.29 |
| 8 | 31 | Lucas Moxon-Booth | 16 | Flitwick | 1:14.97 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Arthur Owens | 16 | Co Leeds | 1:09.02 |
| 2 | 42 | Daniel De Filippo | 16 | Flitwick | 1:08.24 |
| 3 | 44 | Noah De N'Yeurt | 18 | Lboro Uni | 1:07.30 |
| 4 | 46 | Josh Mitchell-Storey | 19 | Lboro Uni | 1:03.20 |
| 5 | 45 | William Miles | 21 | Lboro Uni | 1:03.40 |
| 6 | 43 | Finlay Gibson | 17 | Loughborough | 1:08.20 |
| 7 | 41 | James Nightingale | 15 | Co Leicester | 1:08.29 |
| 8 | 39 | Connor McCullen | 15 | Co Leeds | 1:09.09 |