Top 25 Records – Boys Long Course – 15 & 16
| Girls Short Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Girls Long Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Boys Short Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Boys Long Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
Click on an age group to view records – Revised August 31, 2011
50 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 23.73 | Robbie Taylor | 16 | July 12, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 2 | 24.04 | Ian Petersen | 16 | May 31, 1997 | Regina | Youth Champs | relay lead |
| 3 | 24.58 | Stephen Clarke | 16 | July 19-21, 1990 | Edmonton | Youth Nationals | |
| 4 | 25.21 | Steve Preston | 16 | January 9-11, 1998 | Etobicoke | A-B Meet | |
| 5 | 25.56 | Greg Bacon | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 6 | 25.60 | Bob Phipps | 16 | July 1999 | Montreal | Eastern Cup | |
| 7 | 25.64 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 8 | 25.71 | James Middlebrook | 16 | July 2, 2009 | London | ON Junior Provincial Champs | |
| 9 | 25.78 | Garrett Lyall | 16 | July 6-9, 2000 | Thunder Bay | ON Junior Provincial Champs | |
| 10 | 25.82 | Stefano Gardiman | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 11 | 25.85 | Paul Parete | 16 | Season 1994 | |||
| 12 | 25.87 | Paul Quevedo | 16 | June 6-9, 2002 | Etobicoke | Age Group International | |
| 13 | 26.06 | Michael Belanger | 16 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 14 | 26.12 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 15 | 26.30 | Doug LaPorte | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 16 | 26.36 | Marc Moore | 15 | July 7, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 17 | 26.42 | Matt Kapitan | 16 | June 26-29, 2003 | Brantford | ON Junior Provincial Champs | relay lead |
| 18 | 26.54 | Andrew Jankowski | 16 | July 8, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 19 | 26.91 | Trevor Nicholas | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 20 | 26.97 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 21 | 27.00 | Yonathan Prajogo | 15 | June 3-6, 2004 | Etobicoke | Speedo Age Group International | |
| 22 | 27.09 | Emmanuel Moldovan | 16 | June 14-16, 2002 | Etobicoke | Central Region Champs | |
| 23 | 27.11 | Iain Manson | 16 | June 5-8, 2008 | Etobicoke | Age Group International | |
| 24 | 27.18 | Edgar Enriquez Tenorio | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational | |
| 25 | 27.18 | Myles Zagar | 15 | July 2, 2010 | Nepean | ON Junior Provincial Champs | relay lead |
100 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 52.80 | Robbie Taylor | 16 | July 13, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 2 | 52.93 | Omar Enriquez Tenorio | 16 | December 19, 2006 | Senora, MEX | Mexican Nationals | |
| 3 | 53.94 | Stephen Clarke | 16 | June 1-3, 1990 | Etobicoke | Youth Cup 2 | |
| 4 | 54.60 | Andrew Boyd | 16 | Jan 31-Feb 3, 1987 | Winnipeg | Winter Nationals | |
| 5 | 54.95 | Bob Phipps | 16 | July 1999 | Montreal | Eastern Cup | |
| 6 | 55.12 | James Middlebrook | 16 | July 4, 2009 | London | ON Junior Provincial Champs | |
| 7 | 55.96 | Kyle Moore | 16 | July 8, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 8 | 56.13 | John Pelleck | 16 | Season 1994 | |||
| 9 | 56.15 | Mike Jotautas | 16 | Season 1996 | |||
| 10 | 56.26 | Paul Mieschke | 16 | Season 1993 | |||
| 11 | 56.27 | Michael Belanger | 16 | May 1, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 12 | 56.39 | Paul Quevedo | 16 | June 6-9, 2002 | Etobicoke | Speedo Age Group International | |
| 13 | 56.63 | Trevor Nicholas | 16 | January 18-20, 2008 | Toronto | ON Senior Provincial Champs | |
| 14 | 57.38 | Stefano Gardiman | 15 | July 2, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 15 | 57.48 | Mark Mallany | 16 | July 13-16, 2000 | Etobicoke | Youth Champs | relay lead |
| 16 | 57.64 | Yonathan Prajogo | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational | |
| 17 | 58.03 | Matt Kapitan | 15 | July 4-7, 2002 | Etobicoke | ON Junior Provincial Champs | |
| 18 | 58.10 | Myles Zagar | 16 | May 1, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 19 | 58.15 | Daniel Juhasz | 15 | July 10, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 20 | 58.19 | Christopher Caldwell | 16 | July 28, 2011 | Montreal | Canadian Age Group Champs | |
| 21 | 58.25 | Marc Moore | 15 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 22 | 58.38 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 23 | 58.40 | Andrew Jankowski | 16 | July 9, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 24 | 58.56 | David Aguilera | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 25 | 58.97 | Daniel Manson | 15 | July 2, 2011 | Etobicoke | ON Junior Provincial Champs |
200 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 1:54.40 | Omar Enriquez Tenorio | 16 | July 21, 2007 | Montreal | Age Group Nationals | |
| 2 | 1:57.54 | Robbie Taylor | 16 | July 11, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 3 | 1:59.57 | Bob Phipps | 16 | July 1999 | Montreal | Eastern Cup | |
| 4 | 2:00.73 | Stephen Clarke | 16 | June 1-3, 1990 | Etobicoke | Youth Cup 2 | |
| 5 | 2:01.35 | James Middlebrook | 16 | July 2, 2009 | London | ON Junior Provincial Champs | |
| 6 | 2:01.78 | Kyle Moore | 16 | July 21-24, 2005 | Winnipeg | Canadian Club Nationals | |
| 7 | 2:01.82 | Steve Merker | 16 | Season 1984 | |||
| 8 | 2:02.32 | Trevor Nicholas | 16 | May 31-June 3, 2007 | Etobicoke | Age Group International | |
| 9 | 2:02.90 | Michael Belanger | 16 | June 3, 2011 | Etobicoke | Age Group International | |
| 10 | 2:03.85 | Christopher Caldwell | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 11 | 2:03.91 | John Pelleck | 16 | Season 1994 | |||
| 12 | 2:04.28 | Stefano Gardiman | 15 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 13 | 2:05.29 | Yonathan Prajogo | 16 | May 6-8, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 14 | 2:06.03 | Myles Zagar | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 15 | 2:06.42 | Donald Smith | 16 | July 13-16, 2000 | Etobicoke | Youth Champs | relay lead |
| 16 | 2:06.80 | Daniel Juhasz | 16 | July 6, 2006 | Nepean | ON Junior Provincial Champs | |
| 17 | 2:07.61 | David Aguilera | 15 | July 30, 2011 | Montreal | Canadian Age Group Champs | |
| 18 | 2:07.97 | Marc Moore | 15 | July 7, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 19 | 2:08.67 | Connor Maddock | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 20 | 2:09.53 | Laszlo Szoboszlai | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 21 | 2:10.30 | Creighton Thicke-Rattray | 15 | May 27, 2011 | Toronto | Ajax LC Invitational | |
| 22 | 2:11.31 | Iain Manson | 16 | June 5-8, 2008 | Etobicoke | Age Group International | |
| 23 | 2:11.36 | Shawn Bull | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 24 | 2:11.75 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 25 | 2:11.75 | Alex Kyriacopoulos | 16 | July 2, 2009 | London | ON Junior Provincial Champs |
400 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 4:00.93 | Omar Enriquez Tenorio | 16 | July 20, 2007 | Montreal | Age Group Nationals | |
| 2 | 4:11.00 | Steve Merker | 16 | Season 1984 | |||
| 3 | 4:16.05 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 4 | 4:19.28 | James Middlebrook | 15 | July 5, 2008 | Thunder Bay | ON Junior Provincial Champs | |
| 5 | 4:19.70 | Chris Fenton | 15 | Season 1984 | |||
| 6 | 4:19.98 | Bob Phipps | 16 | Season 1999 | |||
| 7 | 4:20.98 | Andrew Baier | 16 | Season 2001 | |||
| 8 | 4:24.74 | Christopher Caldwell | 15 | July 25, 2010 | Winnipeg | Canadian Age Group Champs | |
| 9 | 4:27.55 | Daniel Juhasz | 16 | July 8, 2006 | Nepean | ON Junior Provincial Champs | |
| 10 | 4:27.87 | Creighton Thicke-Rattray | 15 | July 2, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 11 | 4:28.77 | Trevor Nicholas | 16 | May 11-13, 2007 | Sudbury | Eastside Mario’s Invitational | |
| 12 | 4:29.06 | David Aguilera | 15 | July 2, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 13 | 4:29.60 | Stefano Gardiman | 15 | June 5, 2011 | Etobicoke | Age Group International | |
| 14 | 4:30.00 | Yonathan Prajogo | 16 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 15 | 4:30.88 | Michael Belanger | 16 | June 5, 2011 | Etobicoke | Age Group International | |
| 16 | 4:32.73 | Myles Zagar | 15 | July 3, 2010 | Nepean | ON Junior Provincial Champs | |
| 17 | 4:35.93 | Alex Kyriacopoulos | 16 | June 11, 2010 | Etobicoke | Central Region Champs | |
| 18 | 4:36.80 | Connor Maddock | 15 | May 21-23, 2010 | Bermuda | Annual Aquatic Centre Invitational | |
| 19 | 4:37.17 | James Reed | 16 | June 7-10, 2001 | Etobicoke | Age Group International | |
| 20 | 4:38.76 | Laszlo Szoboszlai | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 21 | 4:39.02 | Marc Moore | 15 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 22 | 4:47.81 | Andrew Jankowski | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 23 | 4:47.86 | Doug LaPorte | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational | |
| 24 | 4:48.25 | Iain Manson | 15 | May 6, 2005 | St. Catharines | Brock Invitational | |
| 25 | 4:49.47 | Armand Baksh | 16 | June 13-15, 2003 | Etobicoke | Central Region Champs |
800 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 8:30.38 | Omar Enriquez Tenorio | 16 | July 22, 2007 | Montreal | Age Group Nationals | |
| 2 | 8:50.50 | Steve Merker | 16 | August 5, 1983 | split | ||
| 3 | 8:52.73 | Kyle Moore | 16 | April 8-10, 2006 | Toronto | Ajax Distance Time Trial | |
| 4 | 9:04.56 | Trevor Nicholas | 16 | July 19-22, 2007 | Montreal | Age Group Nationals | |
| 5 | 9:06.12 | James Middlebrook | 15 | July 6, 2008 | Thunder Bay | ON Junior Provincial Champs | |
| 6 | 9:13.83 | Christopher Caldwell | 16 | June 2, 2011 | Etobicoke | Age Group International | split |
| 7 | 9:18.59 | Creighton Thicke-Rattray | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 8 | 9:28.84 | Myles Zagar | 16 | April 29, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | split |
| 9 | 9:44.99 | Alex Kyriacopoulos | 15 | June 13, 2008 | Etobicoke | Central Region Champs | |
| 10 | 9:46.84 | Daniel Juhasz | 15 | April 9-11, 2005 | Toronto | Ajax Distance Time Trial | |
| 11 | 9:53.55 | Shawn Bull | 15 | April 9-11, 2005 | Toronto | Ajax Distance Time Trial | |
| 12 | 10:19.07 | Zachary Conley | 16 | April 30, 2010 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 13 | 10:43.60 | Dylan Bardy | 16 | April 26, 2009 | St. Catharines | Brock Invitational | |
| 14 | 10:45.85 | Erik Etzler | 15 | April 2-3, 2010 | Waterloo | Spring Turbo Charge | |
| 15 | 11:13.12 | Prasad Lad | 16 | April 4-5, 2009 | Waterloo | Spring Turbo Charge | |
| 16 | 12:45.83 | Scott Manson | 16 | April 4-5, 2009 | Waterloo | Spring Turbo Charge | |
| 17 | 13:14.48 | Scott Viau | 15 | May 8, 2005 | St. Catharines | Brock Invitational |
1500 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 15:47.44 | Omar Enriquez Tenorio | 16 | July 19, 2007 | Montreal | Age Group Nationals | |
| 2 | 16:39.80 | Steve Merker | 16 | August 5, 1983 | |||
| 3 | 17:02.47 | Trevor Nicholas | 16 | May 11-13, 2007 | Sudbury | Eastside Mario’s Invitational | |
| 4 | 17:02.78 | Chris Fenton | 15 | Season 1984 | |||
| 5 | 17:09.77 | Kyle Moore | 16 | May 12-14, 2006 | Sudbury | Eastside Mario’s Invitational | |
| 6 | 17:15.56 | Andrew Baier | 16 | June 29-July 1, 2001 | Montreal | Quebec Cup | |
| 7 | 17:28.67 | Christopher Caldwell | 16 | April 29, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 8 | 17:34.63 | John Pelleck | 15 | Season 1993 | |||
| 9 | 17:36.72 | Myles Zagar | 16 | April 29, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 10 | 17:51.50 | Creighton Thicke-Rattray | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 11 | 17:59.69 | David Aguilera | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 12 | 18:05.30 | Yonathan Prajogo | 16 | June 2, 2005 | Etobicoke | Age Group International | |
| 13 | 18:15.43 | Alex Kyriacopoulos | 16 | June 3, 2010 | Etobicoke | Age Group International | |
| 14 | 18:31.02 | Daniel Juhasz | 15 | May 6, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 15 | 18:48.48 | Laszlo Szoboszlai | 15 | May 6, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 16 | 18:56.82 | Iain Manson | 15 | May 11-13, 2007 | Sudbury | Eastside Mario’s Invitational | |
| 17 | 19:02.57 | Andrew Jankowski | 15 | May 28, 2004 | Hamilton | Jack McCormick Invitational | |
| 18 | 20:00.98 | Zachary Conley | 16 | April 24, 2010 | St. Catharines | Brock Invitational | |
| 19 | 21:09.64 | Adam Prins | 16 | May 5, 2007 | St. Catharines | Brock Invitational |
50 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 27.88 | Trevor Nicholas | 16 | November 28, 2007 | Etobicoke | Bell Grand Prix | |
| 2 | 28.10 | Steve Preston | 16 | May 28, 1998 | Sherbrooke | Youth Champs | relay lead |
| 3 | 28.98 | Stefano Gardiman | 15 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 4 | 29.06 | James Middlebrook | 16 | July 15-19, 2009 | Montreal | Canadian Age Group Champs | |
| 5 | 29.28 | Robbie Taylor | 16 | July 31, 1997 | Edmonton | Summer Nationals | split |
| 6 | 29.61 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 7 | 29.74 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 8 | 30.40 | Corey Webster | 16 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 9 | 30.88 | Iain Manson | 15 | July 19-22, 2007 | Montreal | Age Group Nationals | |
| 10 | 31.13 | Matt Kapitan | 15 | July 26-28, 2002 | Montreal | Eastern Cup | |
| 11 | 31.36 | Eric McLoughlin | 16 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 12 | 31.60 | Kyle Moore | 15 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 13 | 31.64 | Myles Zagar | 16 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 14 | 31.68 | Andrew Jankowski | 15 | June 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 15 | 31.91 | Laszlo Szoboszlai | 15 | July 7, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 16 | 32.09 | Michael Belanger | 15 | April 30, 2010 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 17 | 32.66 | Daniel Manson | 15 | July 27, 2011 | Montreal | Canadian Age Group Champs | split |
| 18 | 32.67 | Alexander Lai | 15 | May 14, 2004 | London | Casco-Hollandia Spring Invitational | |
| 19 | 33.18 | Yonathan Prajogo | 15 | May 14, 2004 | London | Casco-Hollandia Spring Invitational | |
| 20 | 33.35 | Alex Kyriacopoulos | 16 | June 3-6, 2010 | Etobicoke | Age Group International | |
| 21 | 33.36 | Doug LaPorte | 16 | April 1-3, 2005 | Toronto | Toronto Grand Prix | |
| 22 | 33.48 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 23 | 33.86 | Connor Maddock | 16 | June 13, 2010 | Etobicoke | Central Region Champs | relay lead |
| 24 | 34.26 | Aarondeep Rai | 15 | April 29, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 25 | 34.44 | Creighton Thicke-Rattray | 15 | April 29, 2011 | Etobicoke | Dr. Ralph Hicken Invitational |
100 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 59.09 | Robbie Taylor | 16 | July 31, 1997 | Edmonton | Summer Nationals | |
| 2 | 59.49 | Trevor Nicholas | 16 | February 14-17, 2008 | Etobicoke | Speedo Eastern Champs | |
| 3 | 59.63 | Steve Preston | 16 | August 5, 1998 | Etobicoke | Commonwealth Games Trials | |
| 4 | 59.90 | Stephen Clarke | 16 | April 14-15, 1990 | Vittel, FRA | 8-Nation Youth International Meet | |
| 5 | 1:00.31 | Stefano Gardiman | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 6 | 1:01.47 | Greg Bacon | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 7 | 1:01.75 | James Middlebrook | 16 | July 3, 2009 | London | ON Junior Provincial Champs | |
| 8 | 1:02.01 | Danny Collins | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 9 | 1:02.88 | Chris Jackson | 16 | March 6, 1994 | Victoria | Commonwealth Games Trials | |
| 10 | 1:03.29 | Mark Mallany | 16 | July 6-9, 2000 | Thunder Bay | ON Junior Provincial Champs | |
| 11 | 1:03.32 | Ryan Smith | 16 | May 5-7, 2000 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 12 | 1:03.54 | Mike Jotautas | 16 | Season 1996 | |||
| 13 | 1:03.68 | Brad Hrytzay | 15 | Season 1994 | |||
| 14 | 1:03.71 | Shawn Bull | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 15 | 1:03.95 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 16 | 1:05.55 | Matt Kapitan | 16 | June 26-29, 2003 | Brantford | ON Junior Provincial Champs | |
| 17 | 1:05.71 | Andrew Jankowski | 16 | July 8, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 18 | 1:05.73 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 19 | 1:05.82 | Marc Moore | 15 | July 9, 2005 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 20 | 1:05.97 | Laszlo Szoboszlai | 16 | June 17, 2006 | Etobicoke | Central Region Champs | |
| 21 | 1:06.03 | Corey Webster | 16 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 22 | 1:06.17 | Daniel Juhasz | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 23 | 1:06.20 | Iain Manson | 16 | July 5, 2008 | Thunder Bay | ON Junior Provincial Champs | |
| 24 | 1:06.49 | Paul Quevedo | 15 | June 22-24, 2001 | Etobicoke | Central Region Champs | |
| 25 | 1:07.15 | Eric McLoughlin | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational |
200 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:07.99 | Stefano Gardiman | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 2 | 2:08.56 | Trevor Nicholas | 16 | February 16, 2008 | Etobicoke | Speedo Eastern Champs | |
| 3 | 2:08.73 | Stephen Clarke | 16 | April 14-15, 1990 | Vittel, FRA | 8-Nation Youth International Meet | |
| 4 | 2:12.21 | Steve Preston | 16 | August 7, 1998 | Etobicoke | Commonwealth Games Trials | |
| 5 | 2:12.52 | James Middlebrook | 16 | July 5, 2009 | London | ON Junior Provincial Champs | |
| 6 | 2:15.34 | Mark Mallany | 16 | July 6-9, 2000 | Thunder Bay | ON Junior Provincial Champs | |
| 7 | 2:15.35 | Donald Smith | 16 | July 6-9, 2000 | Thunder Bay | ON Junior Provincial Champs | |
| 8 | 2:15.44 | Chris Jackson | 16 | Season 1994 | |||
| 9 | 2:15.77 | Danny Collins | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 10 | 2:16.19 | Ryan Smith | 16 | April 7-9, 2000 | Toronto | Ajax Invitational | |
| 11 | 2:17.41 | Mike Jotautas | 16 | Season 1996 | |||
| 12 | 2:18.39 | Brad Hrytzay | 15 | Season 1994 | |||
| 13 | 2:18.45 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 14 | 2:18.76 | Andrew Baier | 16 | Season 2001 | |||
| 15 | 2:19.19 | Daniel Manson | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 16 | 2:19.79 | Marc Moore | 15 | July 10, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 17 | 2:21.20 | Kyle Moore | 16 | July 21-24, 2005 | Winnipeg | Canadian Club Nationals | |
| 18 | 2:22.00 | Daniel Juhasz | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 19 | 2:22.44 | Laszlo Szoboszlai | 16 | June 18, 2006 | Etobicoke | Central Region Champs | |
| 20 | 2:22.53 | Andrew Jankowski | 15 | July 22-25, 2004 | Montreal | Eastern Cup | |
| 21 | 2:23.13 | Myles Zagar | 15 | July 4, 2010 | Nepean | ON Junior Provincial Champs | |
| 22 | 2:24.25 | Michael Belanger | 16 | May 1, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 23 | 2:24.32 | Eric McLoughlin | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational | |
| 24 | 2:25.97 | Corey Webster | 16 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 25 | 2:26.22 | Iain Manson | 16 | January 18-20, 2008 | Toronto | ON Senior Provincial Champs |
50 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 30.33 | Trevor Nicholas | 16 | February 16, 2008 | Etobicoke | Speedo Eastern Champs | |
| 2 | 31.93 | Ian Petersen | 16 | August 1, 1997 | Edmonton | Summer Nationals | split |
| 3 | 32.04 | Greg Bacon | 15 | May 29, 1998 | Sherbrooke | Youth Champs | |
| 4 | 32.36 | Daniel Manson | 15 | June 4, 2011 | Etobicoke | Age Group International | |
| 5 | 32.63 | Alexander Lai | 15 | June 3-6, 2004 | Etobicoke | Speedo Age Group International | |
| 6 | 32.70 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 7 | 33.34 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 8 | 33.40 | Iain Manson | 16 | June 5-8, 2008 | Etobicoke | Age Group International | |
| 9 | 33.48 | Nicholas Bhagaloo | 16 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 10 | 34.06 | Paul Issatchenko | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 11 | 34.09 | Connor Maddock | 15 | April 30, 2010 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 12 | 34.16 | Marc Moore | 15 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 13 | 34.19 | Robbie Taylor | 16 | May 30, 1997 | Regina | Youth Champs | split |
| 14 | 34.39 | Trevor Preston | 16 | May 30, 1997 | Regina | Youth Champs | split |
| 15 | 34.73 | Saikat Banerjee | 15 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 16 | 35.44 | Laszlo Szoboszlai | 16 | April 7-9, 2007 | Toronto | Desjardins Dash for Cash | |
| 17 | 35.52 | Aarondeep Rai | 15 | June 4, 2011 | Etobicoke | Age Group International | |
| 18 | 35.83 | Shawn Bull | 15 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 19 | 36.71 | Emmanuel Moldovan | 16 | May 24-26, 2002 | Toronto | NYAC May Performance | |
| 20 | 36.74 | Armand Baksh | 16 | May 9, 2003 | London | Casco-Hollandia Spring Invitational | |
| 21 | 36.98 | Corey Webster | 16 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 22 | 37.25 | Myles Zagar | 15 | April 30, 2010 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 23 | 37.40 | Yonathan Prajogo | 15 | May 14, 2004 | London | Casco-Hollandia Spring Invitational | |
| 24 | 37.61 | Doug LaPorte | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 25 | 37.85 | Matt Kapitan | 15 | May 9, 2003 | London | Casco-Hollandia Spring Invitational |
100 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 1:06.38 | Trevor Nicholas | 16 | February 17, 2008 | Etobicoke | Speedo Eastern Champs | |
| 2 | 1:07.04 | Greg Bacon | 15 | August 6, 1998 | Etobicoke | Commonwealth Games Trials | |
| 3 | 1:07.87 | Ian Petersen | 16 | July 10-13, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 4 | 1:08.91 | Donald Smith | 16 | July 6-9, 2000 | Thunder Bay | ON Junior Provincial Champs | |
| 5 | 1:09.18 | Andrew Boyd | 16 | July 23, 1987 | Calgary | Summer Nationals | |
| 6 | 1:10.49 | Trevor Preston | 16 | July 10-13, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 7 | 1:10.72 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 8 | 1:11.16 | Daniel Manson | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 9 | 1:11.19 | Robbie Taylor | 16 | May 30, 1997 | Regina | Youth Champs | |
| 10 | 1:11.20 | Steve Preston | 16 | Season 1998 | |||
| 11 | 1:11.76 | Sasha Dimitriu | 16 | Season 1993 | |||
| 12 | 1:12.15 | Iain Manson | 16 | July 6, 2008 | Thunder Bay | ON Junior Provincial Champs | |
| 13 | 1:12.44 | Alexander Lai | 15 | June 24-27, 2004 | Nepean | ON Junior Provincial Champs | |
| 14 | 1:13.94 | Marc Moore | 15 | July 10, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 15 | 1:14.19 | Connor Maddock | 16 | July 4, 2010 | Nepean | ON Junior Provincial Champs | |
| 16 | 1:14.80 | Paul Issatchenko | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 17 | 1:15.14 | Laszlo Szoboszlai | 16 | June 18, 2006 | Etobicoke | Central Region Champs | |
| 18 | 1:15.36 | Nick Bhagaloo | 16 | June 20, 2005 | Etobicoke | Central Region Champs | |
| 19 | 1:16.23 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 20 | 1:16.31 | Aarondeep Rai | 15 | May 1, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 21 | 1:16.65 | Armand Baksh | 16 | June 13-15, 2003 | Etobicoke | Central Region Champs | |
| 22 | 1:18.08 | Mark Lubrick | 16 | June 14-16, 2002 | Etobicoke | Central Region Champs | |
| 23 | 1:18.23 | Myles Zagar | 16 | April 8, 2011 | Etobicoke | Pentathlon | |
| 24 | 1:19.18 | Saikat Banerjee | 15 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 25 | 1:19.24 | Yonathan Prajogo | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet |
200 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:25.68 | Greg Bacon | 15 | July 11, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 2 | 2:28.49 | Ian Petersen | 15 | August 8, 1996 | Etobicoke | Junior Nationals | |
| 3 | 2:29.06 | Trevor Nicholas | 16 | April 1-6, 2008 | Montreal | Olympic Trials | |
| 4 | 2:30.47 | Donald Smith | 16 | July 13-16, 2000 | Etobicoke | Youth Champs | |
| 5 | 2:31.28 | Steve Preston | 16 | August 8, 1998 | Etobicoke | Commonwealth Games Trials | |
| 6 | 2:31.62 | Trevor Preston | 16 | July 10-13, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 7 | 2:33.47 | Sasha Dimitriu | 16 | July 22-25, 1993 | Quebec City | Eastern Cup | |
| 8 | 2:34.24 | Daniel Manson | 15 | July 30, 2011 | Montreal | Canadian Age Group Champs | |
| 9 | 2:37.41 | Tyler Brown | 16 | Season 2000 | |||
| 10 | 2:37.53 | Marc Moore | 15 | July 8, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 11 | 2:37.69 | Brad Hrytzay | 15 | Season 1994 | |||
| 12 | 2:38.98 | Paul Issatchenko | 16 | May 6-8, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 13 | 2:39.56 | Connor Maddock | 16 | July 2, 2010 | Nepean | ON Junior Provincial Champs | |
| 14 | 2:40.42 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 15 | 2:43.02 | Alexander Lai | 15 | May 14-16, 2004 | London | Casco-Hollandia Spring Invitational | |
| 16 | 2:43.59 | Iain Manson | 16 | July 4, 2008 | Thunder Bay | ON Junior Provincial Champs | |
| 17 | 2:44.23 | Armand Baksh | 16 | June 26-29, 2003 | Brantford | ON Junior Provincial Champs | |
| 18 | 2:44.26 | Aarondeep Rai | 15 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 19 | 2:46.07 | Nick Bhagaloo | 16 | June 19, 2005 | Etobicoke | Central Region Champs | |
| 20 | 2:46.74 | Laszlo Szoboszlai | 16 | June 17, 2006 | Etobicoke | Central Region Champs | |
| 21 | 2:46.85 | Myles Zagar | 15 | July 2, 2010 | Nepean | ON Junior Provincial Champs | |
| 22 | 2:50.25 | Mark Lubrick | 16 | June 14-16, 2002 | Etobicoke | Central Region Champs | |
| 23 | 2:53.91 | Kyle Moore | 15 | May 6-8, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 24 | 2:54.02 | Corey Webster | 16 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 25 | 2:56.82 | Szilard Gyorgy | 15 | April 5-7, 2002 | Toronto | Ajax Sprint Invitational |
50 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 26.21 | Steve Preston | 16 | May 29, 1998 | Sherbrooke | Youth Champs | split |
| 2 | 26.85 | Robbie Taylor | 16 | August 1, 1997 | Edmonton | Summer Nationals | split |
| 3 | 27.36 | Omar Enriquez Tenorio | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 4 | 27.47 | James Middlebrook | 16 | July 15-19, 2009 | Montreal | Canadian Age Group Champs | |
| 5 | 27.68 | Michael Belanger | 16 | July 31, 2011 | Montreal | Canadian Age Group Champs | |
| 6 | 27.93 | Matt Kapitan | 15 | July 27, 2002 | Montreal | Eastern Cup | |
| 7 | 28.13 | Alex Kyriacopoulos | 15 | July 24-27, 2008 | Calgary | Age Group Nationals | |
| 8 | 28.18 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 9 | 28.30 | Yonathan Prajogo | 16 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 10 | 28.40 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 11 | 28.97 | Doug LaPorte | 16 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 12 | 29.37 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 13 | 29.42 | Andrew Jankowski | 15 | May 6-9, 2004 | Winnipeg | Manitoba Marlins Crocus Classic | |
| 14 | 29.45 | Paul Issatchenko | 15 | July 22-25, 2004 | Montreal | Eastern Cup | |
| 15 | 29.50 | Connor Maddock | 16 | January 22, 2011 | Toronto | Ontario Cup | |
| 16 | 29.65 | Christopher Caldwell | 16 | June 5, 2011 | Etobicoke | Age Group International | |
| 17 | 29.83 | Eugene Mikoula | 16 | June 1, 2007 | Hamilton | Jack McCormick Invitational | |
| 18 | 29.86 | David Aguilera | 15 | June 5, 2011 | Etobicoke | Age Group International | |
| 19 | 29.96 | Christopher Manson | 15 | June 5, 2011 | Etobicoke | Age Group International | |
| 20 | 30.14 | Myles Zagar | 15 | April 30, 2010 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 21 | 30.28 | Nick Bhagaloo | 16 | July 21-24, 2005 | Winnipeg | Canadian Club Nationals | |
| 22 | 30.64 | Trevor Nicholas | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 23 | 30.65 | Emmanuel Moldovan | 16 | May 24-26, 2002 | Toronto | NYAC May Performance | |
| 24 | 30.66 | Saikat Banerjee | 15 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 25 | 30.78 | Laszlo Szoboszlai | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash |
100 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 56.88 | Steve Preston | 16 | May 29, 1998 | Sherbrooke | Youth Champs | |
| 2 | 57.09 | Robbie Taylor | 16 | August 1, 1997 | Edmonton | Summer Nationals | |
| 3 | 57.17 | Stephen Clarke | 16 | July 19-21, 1990 | Edmonton | Youth Nationals | |
| 4 | 57.22 | Andrew Boyd | 16 | July 25, 1987 | Calgary | Summer Nationals | |
| 5 | 57.53 | Omar Enriquez Tenorio | 16 | December 18, 2006 | Senora, MEX | Mexican Nationals | |
| 6 | 59.37 | Greg Bacon | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 7 | 1:00.38 | Yonathan Prajogo | 15 | June 24-27, 2004 | Nepean | ON Junior Provincial Champs | |
| 8 | 1:00.39 | Bob Phipps | 16 | July 1999 | Montreal | Eastern Cup | |
| 9 | 1:00.69 | Michael Belanger | 16 | July 27, 2011 | Montreal | Canadian Age Group Champs | |
| 10 | 1:00.88 | Mike Jotautas | 16 | Season 1996 | |||
| 11 | 1:01.32 | Doug Thompson | 16 | Season 1984 | |||
| 12 | 1:01.57 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 13 | 1:03.10 | Alex Kyriacopoulos | 16 | June 14, 2009 | Etobicoke | Central Region Champs | |
| 14 | 1:03.23 | James Reed | 16 | June 7-10, 2001 | Etobicoke | Age Group International | |
| 15 | 1:03.82 | Myles Zagar | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 16 | 1:04.38 | David Aguilera | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 17 | 1:04.51 | Daniel Juhasz | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 18 | 1:04.57 | Connor Maddock | 16 | April 8, 2011 | Etobicoke | Pentathlon | |
| 19 | 1:04.59 | Matt Kapitan | 15 | June 6-9, 2002 | Etobicoke | Speedo Age Group International | |
| 20 | 1:04.83 | Paul Quevedo | 15 | June 22-24, 2001 | Etobicoke | Central Region Champs | |
| 21 | 1:05.15 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 22 | 1:05.70 | Mark Lubrick | 16 | June 14-16, 2002 | Etobicoke | Central Region Champs | |
| 23 | 1:05.83 | Andrew Jankowski | 15 | July 22-25, 2004 | Montreal | Eastern Cup | |
| 24 | 1:05.96 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 25 | 1:06.06 | Christopher Manson | 15 | July 1, 2011 | Etobicoke | ON Junior Provincial Champs |
200 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:04.10 | Omar Enriquez Tenorio | 16 | June 2, 2007 | Etobicoke | Age Group International | |
| 2 | 2:09.37 | Andrew Boyd | 16 | July 22, 1987 | Calgary | Summer Nationals | |
| 3 | 2:14.63 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 4 | 2:16.30 | Stephen Clarke | 15 | July 20-23, 1989 | Saint John | Youth Champs | |
| 5 | 2:16.62 | James Reed | 16 | July 12-15, 2001 | Etobicoke | ON Junior Provincial Champs | |
| 6 | 2:16.85 | Michael Belanger | 16 | July 29, 2011 | Montreal | Canadian Age Group Champs | |
| 7 | 2:17.61 | Doug Thompson | 16 | Season 1984 | |||
| 8 | 2:17.95 | Yonathan Prajogo | 15 | June 24-27, 2004 | Nepean | ON Junior Provincial Champs | |
| 9 | 2:18.14 | Alex Kyriacopoulos | 16 | July 5, 2009 | London | ON Junior Provincial Champs | |
| 10 | 2:20.55 | Shawn Ahluwalia | 16 | Season 1993 | |||
| 11 | 2:21.43 | Myles Zagar | 15 | January 22, 2011 | Toronto | Ontario Cup | |
| 12 | 2:23.00 | Kevin Bradshaw | 15 | Season 1986 | |||
| 13 | 2:23.41 | Daniel Juhasz | 16 | July 9, 2006 | Nepean | ON Junior Provincial Champs | |
| 14 | 2:23.82 | David Aguilera | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 15 | 2:27.04 | Andrew Jankowski | 15 | June 24-27, 2004 | Nepean | ON Junior Provincial Champs | |
| 16 | 2:34.22 | Jacob Ahola | 15 | July 3, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 17 | 2:34.77 | Christopher Caldwell | 16 | May 1, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 18 | 2:36.89 | Christopher Manson | 15 | June 11, 2011 | Etobicoke | Central Region Champs | |
| 19 | 2:37.58 | Shawn Bull | 15 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 20 | 2:38.84 | Trevor Nicholas | 15 | May 30, 2006 | St. Catharines | Brock Invitational | |
| 21 | 2:39.30 | Aarondeep Rai | 15 | May 29, 2011 | Toronto | Ajax Invitational | |
| 22 | 2:39.35 | Creighton Thicke-Rattray | 15 | May 29, 2011 | Toronto | Ajax Invitational | |
| 23 | 2:39.53 | Mark Lubrick | 16 | June 14-16, 2002 | Etobicoke | Central Region Champs | |
| 24 | 2:40.98 | Szilard Gyorgy | 15 | April 5-7, 2002 | Toronto | Ajax Sprint Invitational | |
| 25 | 2:41.21 | Armand Baksh | 16 | April 4-6, 2003 | Toronto | Ajax Sprint Invitational |
200 Individual Medley |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:07.39 | Omar Enriquez Tenorio | 16 | July 19, 2007 | Montreal | Age Group Nationals | |
| 2 | 2:11.30 | Robbie Taylor | 16 | July 10-13, 1997 | Etobicoke | ON Provincial Age Group Champs | |
| 3 | 2:12.05 | Steve Preston | 16 | May 28-31, 1998 | Sherbrooke | Youth Champs | |
| 4 | 2:13.64 | Stephen Clarke | 16 | June 1-3, 1990 | Etobicoke | Youth Cup 2 | |
| 5 | 2:13.97 | Greg Bacon | 15 | August 7, 1998 | Etobicoke | Commonwealth Games Trials | |
| 6 | 2:14.31 | Trevor Nicholas | 16 | April 1-6, 2008 | Montreal | Olympic Trials | |
| 7 | 2:15.10 | Bob Phipps | 16 | July 1999 | Montreal | Eastern Cup | |
| 8 | 2:16.14 | Daniel Manson | 15 | July 2, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 9 | 2:16.24 | Steve Merker | 16 | Season 1984 | |||
| 10 | 2:16.82 | Kyle Moore | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 11 | 2:18.06 | Chris Fenton | 16 | Season 1985 | |||
| 12 | 2:18.76 | Stefano Gardiman | 15 | July 24, 2011 | Pointe-Claire | Summer Nationals | |
| 13 | 2:18.95 | Andrew Boyd | 16 | Season 1987 | |||
| 14 | 2:20.50 | Michael Belanger | 16 | July 31, 2011 | Montreal | Canadian Age Group Champs | |
| 15 | 2:20.59 | Shawn Bull | 16 | April 7-9, 2006 | Toronto | Ajax Sprint Meet | |
| 16 | 2:21.51 | Yonathan Prajogo | 15 | June 24-27, 2004 | Nepean | ON Junior Provincial Champs | |
| 17 | 2:21.59 | James Middlebrook | 15 | June 5-8, 2008 | Etobicoke | Age Group International | |
| 18 | 2:22.27 | Myles Zagar | 15 | July 3, 2010 | Nepean | ON Junior Provincial Champs | |
| 19 | 2:22.88 | Edgar Enriquez Tenorio | 16 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 20 | 2:22.93 | Trevor Preston | 16 | May 31, 1997 | Regina | Youth Champs | |
| 21 | 2:23.70 | Marc Moore | 15 | July 9, 2005 | Etobicoke | ON Junior Provincial Champs | |
| 22 | 2:23.76 | Carey Avery | 16 | Season 1992 | |||
| 23 | 2:25.65 | Connor Maddock | 16 | January 23, 2011 | Toronto | Ontario Cup | |
| 24 | 2:25.75 | Daniel Juhasz | 15 | April 8-10, 2005 | Toronto | Ajax Sprint Meet | |
| 25 | 2:26.64 | Christopher Manson | 15 | June 11, 2011 | Etobicoke | Central Region Champs |
400 Individual Medley |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 4:31.24 | Omar Enriquez Tenorio | 16 | July 22, 2007 | Montreal | Age Group Nationals | |
| 2 | 4:41.96 | Steve Merker | 16 | July 21, 1984 | |||
| 3 | 4:47.20 | Trevor Nicholas | 16 | February 14-17, 2008 | Etobicoke | Speedo Eastern Champs | |
| 4 | 4:52.59 | Andrew Baier | 16 | June 7-10, 2001 | Etobicoke | Age Group International | |
| 5 | 4:52.84 | Greg Bacon | 15 | July 9-12, 1998 | Etobicoke | ON Provincial Age Group Champs | |
| 6 | 4:54.54 | Andrew Boyd | 16 | Season 1987 | |||
| 7 | 4:54.73 | Stefano Gardiman | 15 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 8 | 4:54.84 | Chris Fenton | 16 | Season 1985 | |||
| 9 | 4:55.00 | Kyle Moore | 16 | July 21-24, 2005 | Winnipeg | Canadian Club Nationals | |
| 10 | 4:55.33 | Trevor Preston | 16 | Season 1997 | |||
| 11 | 4:55.94 | Daniel Manson | 15 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 12 | 4:56.90 | Ryan Smith | 15 | Season 2000 | |||
| 13 | 4:57.20 | James Middlebrook | 15 | June 5-8, 2008 | Etobicoke | ON Junior Provincial Champs | |
| 14 | 4:57.56 | Myles Zagar | 15 | July 1, 2010 | Nepean | ON Junior Provincial Champs | |
| 15 | 5:03.47 | Yonathan Prajogo | 16 | May 13-15, 2005 | Sudbury | Eastside Mario’s Invitational | |
| 16 | 5:03.85 | Marc Moore | 15 | June 2-5, 2005 | Etobicoke | Age Group International | |
| 17 | 5:04.90 | Daniel Juhasz | 16 | June 1-4, 2006 | Etobicoke | Age Group International | |
| 18 | 5:04.97 | Michael Belanger | 16 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 19 | 5:07.59 | Laszlo Szoboszlai | 16 | April 6-8, 2007 | Toronto | Desjardins Dash for Cash | |
| 20 | 5:10.79 | James Reed | 16 | June 7-10, 2001 | Etobicoke | Age Group International | |
| 21 | 5:10.94 | Connor Maddock | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 22 | 5:11.44 | David Aguilera | 15 | June 30, 2011 | Etobicoke | ON Junior Provincial Champs | |
| 23 | 5:12.53 | Shawn Bull | 15 | May 6-8, 2005 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 24 | 5:13.13 | Chris Caldwell | 16 | April 30, 2011 | Etobicoke | Dr. Ralph Hicken Invitational | |
| 25 | 5:17.68 | Iain Manson | 16 | May 2-4, 2008 | Etobicoke | Dr. Ralph Hicken Invitational |
| Girls Short Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Girls Long Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Boys Short Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
| Boys Long Course | 10 & Under | 11 & 12 | 13 & 14 | 15 & 16 | 17 & Over |
Click on an age group to view records – Revised August 31, 2011