| | William Bigler | Appleby College (Oakville) | 49.53 | 50.67q | |
|
| | Dallas St. John | St. Michael's College (Toronto) | 49.70 | 51.57q | |
|
| | Aidan Small | Trinity College School (Port Hope) | 53.59 | 52.28q | |
|
| | Tobias Sealy | St. Michael's College (Toronto) | 53.41 | 55.35q | |
|
| | Cole Christie | St. Michael's College (Toronto) | NT | 51.33q | |
|
| | Benjamin Ottey | St. Michael's College (Toronto) | 52.65 | 52.50q | |
|
| | Ben Bylaard | Upper Canada College (Toronto) | 53.61 | 52.86q | |
|
| | Victor Zhang | Appleby College (Oakville) | NT | 52.87q | |
|
| | Cole Sheppard | Country Day School (King City) | 55.52 | 53.15 | |
|
| | Jay Turnquest | Trinity College School (Port Hope) | 55.91 | 53.87 | |
|
| | Luke Mazan | Royal St. George's College (Toronto) | NT | 54.31 | |
|
| | Tyler Rowland | Ridley College (St. Catharines) | NT | 54.46 | |
|
| | Cole Hodgson | Ridley College (St. Catharines) | 53.00 | 54.94 | |
|
| | Nicholas Vardin | Villanova College (King City) | 58.00 | 55.53 | |
|
| | Nolan Jezewski | Appleby College (Oakville) | NT | 56.11 | |
|
| | Nicholas Nekic | Upper Canada College (Toronto) | 56.75 | 57.21 | |
|
| | Marcus Baldassarre | Villanova College (King City) | 59.00 | 57.27 | |
|
| | Peter Alexis | Upper Canada College (Toronto) | 56.00 | 57.58 | |
|
| | Joaquin Padolina | Royal St. George's College (Toronto) | NT | 59.34 | |
|
| | Dhian Gill | Appleby College (Oakville) | NT | 59.36 | |
|
| | Amir Kania | De La Salle College (Toronto) | NT | 59.43 | |
|
| | Ian Isbester | Albert College (Belleville) | NT | 1:02.09 | |
|
| | Cheng Tang | Ridley College (St. Catharines) | NT | DNS | |
| | David Li | St. Andrew's College (Aurora) | 57.00 | DNS | |
| | Eric Li | St. Andrew's College (Aurora) | 54.00 | DNS | |
| | Juho Jang | St. Andrew's College (Aurora) | NT | DNS | |
