| Top ten for 400 m dash | ||||
| Midget Girls 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | Kennedy, Lynn | Markham | 1:00.43 | YRAA |
| 2 | Barbon, Jen | Spartans | 1:00.52 | WOSSAA |
| 3 | Whyte, Chrisena | St. Augustine | 1:00.75 | Marcellinus |
| 4 | Haffner, Tori | Catholic Central | 1:01.21 | WOSSAA |
| 5 | MacLean, Alannah | Lo-Ellen Park | 1:01.38 | 2008 Forest City Prep / Mustang Invite |
| 6 | Marczenko, Elizabeth | Bishop Allen | 1:01.84 | Cardinal Cater |
| 7 | Kosterman, Paulina | Lourdes | 1:01.85 | CWOSSAA |
| 7 | Freeman, Jenna | Orillia | 1:01.85 | GBSSA |
| 9 | Holmes, Jacquie | Highland | 1:02.19 | SOSSA |
| 10 | Dicienzo, Natasha | St. Paul | 1:02.34 | SOSSA |
| Junior Girls 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | Geiger, Natalie | Stouffville D. S. S. | 58.10 | York Region Indoor |
| 2 | Buttinger, Jessica | Resurrection | 59.02 | WCSSAA/ District 8 |
| 3 | Islam, Rachel | Innisdale SS | 59.10 | South Simcoe |
| 4 | Fernandes, Leanne | Pope JP II | 59.24 | Cardinal Cater |
| 5 | Balkwill, Kelsey | Essex D H S | 59.45 | SWOSSAA |
| 6 | Callender, Fiona | Bell H.S. | 59.77 | U of Ottawa |
| 7 | Taylor-Chase, Tynelle | Notre Dame Ajax | 1:00.05 | Rowland |
| 7 | Eenling, Nicole | Courtice S. S. | 1:00.05 | Kinsmen-Hungerford |
| 9 | Brownlee, Jane | Lourdes | 1:00.20 | CWOSSAA |
| 10 | Murphy, Sam | St. John | 1:00.37 | Kinsmen-Hungerford |
| Senior Girls 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | Geiger, Natalie | SDSS | 55.57 | YRAA |
| 2 | Wells, Sherine | Westview | 55.70 | Rowland |
| 3 | Redhead, Janelle | Westview | 55.84 | Rowland |
| 4 | Winik, Alexa | Maranatha | 56.39 | SWOSSAA |
| 5 | Malek, Shauna | Banting, Sir | 56.90 | TVRAA CEC |
| 6 | Leon, Lauren | St. Aloysius | 56.97 | ROPSSAA |
| 7 | Danso-Dapaah, Keesha | St. Aloysius | 57.90 | ROPSSAA |
| 8 | Aubry, Rachel | Cairine Wils | 58.29 | NCSSAA East |
| 9 | Mignot, Melissa | Parkdale | 58.34 | Father Redmond |
| 10 | Malek, Alexa | Broncos | 58.43 | St. Pat Invitational |
| Midget Boys 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | Darlington, Connor | R.S. McLaughlin | 53.07 | Kinsmen-Hungerford |
| 2 | Laidlaw-Allen, Marlon | Bendale CI | 53.28 | Father Redmond |
| 3 | Juha, Thomas | Michael Power | 53.68 | Rowland |
| 4 | Fanni, David | Catholic Central | 53.87 | Holy Cross |
| 5 | Leggo, Tyler | Courtice S. S. | 53.78 | Kinsmen-Hungerford |
| 6 | Annett, Tyler | Northern | 53.81 | St. Pat Invitational |
| 7 | Pizzolitto, Dominic | Assumption | 54.19 | SWOSSAA |
| 8 | Harper, Josh | St. Edmund | 54.22 | ROPSSAA |
| 9 | Costello, Andrew | Neil McNeil | 54.28 | TCDAA |
| 10 | McGregor, Omar | Pine Ridge | 54.34 | Dwter Invitational |
| Junior Boys 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | Doyle, Michael | Westview | 50.51 | TDSSAA North |
| 2 | Moona, Alistair | Erindale | 50.80 | ROPSSAA |
| 2 | Colquhoun, Arjen | Herman | 50.80 | WECSSAA |
| 4 | McCabe, Kahmall | Cardinal Leg | 51.23 | ROPSSAA |
| 5 | McKeegan, Matt | Holy Names | 51.68 | WECSSAA |
| 6 | Drozdowski, Daniel | Michael Power/ St. Joseph's | 51.81 | TDCAA |
| 7 | Cadeau, Ray | Mount Carmel | 51.90 | ROPSSAA |
| 8 | Harris, Tremaine | Markham D. H. S. | 51.92 | YRAA |
| 9 | Eveleigh, Darcy | Aurora | 52.68 | YRAA |
| 10 | Cunliffe, BJ | Courtice | 52.74 | Bay of Quinte |
| Senior Boys 400m Dash | ||||
| Place | Name | School | Time | Meet |
| 1 | West, Richard | Liberman | 48.82 | TDCAA |
| 2 | Michaud, Cam | Grimsby Dss | 49.77 | SOSSA |
| 3 | Mundy, Dylan | Sutton D H S | 49.61 | YRAA |
| 3 | Hamilton, Andre | Birchmount Park | 48.70 | Father Redmond |
| 5 | Rose, Michael | Oakville | 49.66 | GHAC |
| 6 | Romaniw, Anthony | St. Thomas Moore | 49.70 | Rowland |
| 7 | Sayers, Trent | Sinclair | 49.87 | Dwyer Invitational |
| 8 | Doyle, Michael | Westview | 49.93 | Cardinal Carter |
| 9 | Dennis, Nathan | Vincent Mass | 49.79 | Kinsmen-Hungerford |
| 10 | Leitch, Scott | Broncos | 49.87 | TVRAA CEC |