| | Kiara Webb | St Roch (Brampton) | 55.10 | 57.99 | 10 | |
| | Micaela Altomare | St Marcellinus (Mississauga) | 59.40 | 59.10 | 8 | |
| | Mara Done | Our Lady of Mount Carmel (Mississauga) | 60.50 | 59.23 | 6 | |
| | Maryn Tichy | Humberview SS (Bolton) | 1:04.10 | 1:01.78 | 5 | |
| | McKenna Gibb | Humberview SS (Bolton) | 1:04.89 | 1:03.11 | 4 | |
| | Evana Eyubeh | St Francis Xavier (Mississauga) | 1:08.50 | 1:04.24 | 3 | |
| | Selena Poveda | Robert F. Hall (Caledon) | 1:03.21 | 1:04.37 | 2 | |
| | Ariel Adeyemo | St Edmund Campion (Brampton) | 1:05.00 | 1:04.79 | 1 | |
| | Joanna Wrona | Our Lady of Mount Carmel (Mississauga) | 1:05.50 | 1:05.78 | | |
| | Lavender Sun | The Woodlands (Mississauga) | 1:10.00 | 1:07.61 | | |
| | Bernice Pang | Clarkson (Mississauga) | 1:06.21 | 1:07.63 | | |
| | Sienna Mody | Cardinal Ambrozic CSS (Brampton) | 1:06.93 | 1:07.67 | | |
| | Stephanie Scholes | St Aloysius Gonzaga (Mississauga) | 1:09.00 | 1:10.25 | | |
| | Nalaya Lee | St. Joan of Arc (Mississauga) | 1:09.45 | 1:10.39 | | |
| | Alexia Pistea | St Aloysius Gonzaga (Mississauga) | 1:10.00 | 1:10.43 | | |
| | Deborah Afolabi | St Edmund Campion (Brampton) | 1:06.00 | 1:10.56 | | |
| | Ernestina Dwomoh | St Joseph (Mississauga) | 1:10.00 | 1:11.10 | | |
| | Alisha Chan | Applewood Heights (Mississauga) | 1:13.00 | 1:11.18 | | |
| | Selena De Souza | St. Martin's (Mississauga) | 1:10.00 | 1:12.46 | | |
| | Robin Kang | St Joseph (Mississauga) | 1:10.00 | 1:14.06 | | |
| | Maggie Tang | The Woodlands (Mississauga) | 1:10.00 | 1:14.15 | | |
| | Sicily Von Schober | St Joseph (Mississauga) | 1:10.00 | DNS | | |
| | Makenzie Joseph | St Marcellinus (Mississauga) | 59.30 | DNS | | |
| | Imuyi Alexander | Iona Catholic (Mississauga) | 1:09.25 | DNS | | |
| | Abigail Abolarinde | Robert F. Hall (Caledon) | 1:05.99 | DNS | | |
| | Harshleen Khattar | Castlebrooke SS (Brampton) | 2:08.00 | DNS | | |
