| | Liam Carvalho | Neil McNeil (Toronto) | 53.06 | 53.00 | 10 | |
| | Adam Lachermaier | Bishop Allen Academy (Etobicoke) | NT | 55.51 | 6 | |
| | Brand Wolford | ST. John Paul II (Scarborough) | 56.06 | 55.88 | 5 | |
| | Josiah Edun | Father Henry Carr (Toronto) | 56.00 | 55.92 | 4 | |
| | Joah Messer-Johnson | Neil McNeil (Toronto) | 56.99 | 56.13 | 3 | |
| | Tiago Keilman | Neil McNeil (Toronto) | 56.52 | 56.14 | 2 | |
| | Jaden Liu | St. John H Newman (Scarborough) | 56.29 | 56.64 | 1 | |
| | Ibukunoluwa Folorunso | Father John Redmond (Etobicoke) | 58.45 | 58.05 | | |
| | Rafael Buzdon | Chaminade College (Toronto) | 57.28 | 58.37 | | |
| | Justin Houck | Neil McNeil (Toronto) | 56.79 | 58.47 | | |
| | Stephan Durston | Bishop Allen Academy (Etobicoke) | NT | 58.75 | | |
| | Joshua Wadiae | Father Henry Carr (Toronto) | NT | 59.16 | | |
| | Kenyon Crone | Michael Power/St.Joseph (Etobicoke) | NT | 59.68 | | |
| | Jan Cheng | Senator O'Connor (Don Mills) | NT | 1:02.27 | | |
| | Romin Fernandez | Michael Power/St.Joseph (Etobicoke) | NT | 1:02.33 | | |
| | Andrew Dika | St. John H Newman (Scarborough) | NT | 1:02.34 | | |
| | Anhar Azim | ST. John Paul II (Scarborough) | NT | 1:02.42 | | |
| | Merrick Palal | Senator O'Connor (Don Mills) | NT | 1:02.50 | | |
| | Andre Ellis | Father Henry Carr (Toronto) | 58.00 | 1:02.84 | | |
| | Trent Velgado | Marshall McLuhan (Toronto) | NT | 1:03.35 | | |
| | Bisrat Mengistu | St. Patrick (Toronto) | 1:03.53 | 1:04.68 | | |
| | Tyler Mau | Msr de Charbonnel (North York) | NT | 1:05.56 | | |
| | Sebastian Dabrowski | Michael Power/St.Joseph (Etobicoke) | NT | 1:05.81 | | |
| | Samuel Austria | St. John H Newman (Scarborough) | 1:07.00 | 1:06.71 | | |
| | Leandro Gavin Bisangwa | St. Patrick (Toronto) | 1:05.27 | 1:06.94 | | |
| | Sewanu Wusu | St. John H Newman (Scarborough) | 57.00 | 1:07.33 | | |
| | Anton Tran | Mary Ward (Scarborough) | NT | 1:07.51 | | |
| | Ashton D'Souza | Brebeuf (Willowdale) | NT | 1:08.62 | | |
| | Jonah DeSouza | Michael Power/St.Joseph (Etobicoke) | NT | 1:09.21 | | |
| | Posi Ogumdele | St. John H Newman (Scarborough) | 1:04.00 | 1:10.28 | | |
| | Westley Durrant | ST. John Paul II (Scarborough) | NT | 1:10.89 | | |
| | Joshua Nanan | James Cardinal McGuigan (Toronto) | NT | 1:12.16 | | |
| | Divine Amaefule | James Cardinal McGuigan (Toronto) | NT | 1:20.10 | | |
| | Sébastien Placide | Msr de Charbonnel (North York) | NT | DQ | | |
| | Tymiaus Palmer | St Basil The Great (Weston) | NT | DNS | | |
| | Benjamin Kibirige | St Basil The Great (Weston) | NT | DNS | | |
| | Joseph Barash | Brebeuf (Willowdale) | NT | DNS | | |
| | Anthony Armijos | James Cardinal McGuigan (Toronto) | NT | DNS | | |
| | Danko Sobolev | Father John Redmond (Etobicoke) | 1:05.34 | DNS | | |
| | Jashawn Howell | Father Henry Carr (Toronto) | NT | DNS | | |
| | Marco Mangialardi | Senator O'Connor (Don Mills) | NT | DNS | | |
