Top 25 Records – Girls Short 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 | 26.71 | Anne Blachford | 15 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 27.02 | Robyn Miller | 15 | December 2-5, 1993 | Winnipeg | Winter Prairie Invitational | |
| 3 | 27.12 | Sophie Cieplucha | 16 | February 25, 2011 | Nepean | ON Junior Provincial Champs | |
| 4 | 27.28 | Jennifer Noddle | 16 | November 23-26, 1995 | Etobicoke | Ontario Cup | |
| 5 | 27.30 | Katie Smith | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 6 | 27.39 | Lindsay Griffin | 15 | February 10-12, 1995 | Nepean | Eastern Junior Nationals | |
| 7 | 27.41 | Carly Porter | 16 | February 10-12, 1995 | Nepean | Junior Nationals East | |
| 8 | 27.45 | Michelle Cobb | 16 | February 9-11, 1996 | Sherbrooke | Junior Nationals East | |
| 9 | 27.48 | Julia Drozdowsky | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 10 | 27.51 | Meagan Littlejohn | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 11 | 27.53 | Laura Wise | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 12 | 27.53 | Natalie Gallant | 15 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | |
| 13 | 27.66 | Brooke Hall | 16 | February 25, 2011 | Nepean | ON Junior Provincial Champs | relay lead |
| 14 | 27.69 | Kristina Stojadinovic | 15 | February 27, 2009 | Nepean | ON Junior Provincial Champs | relay lead |
| 15 | 27.69 | Alisha Harricharan | 15 | November 23-25, 2007 | Etobicoke | Bell Grand Prix | |
| 16 | 27.82 | Dawn Clarke | 16 | March 6-8, 1987 | Sudbury | AA Team Champs | |
| 17 | 27.87 | Sheryl Ross | 15 | February 9-11, 1990 | Ontario Cup | ||
| 18 | 27.89 | Lisa Parwicki | 15 | December 2-5, 1993 | Winnipeg | Winter Prairie Invitational | |
| 19 | 27.89 | Grace Wilkinson | 16 | February 26, 2010 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 20 | 27.98 | Victoria Thicke-Rattray | 16 | December 11-13, 2009 | Montreal | Invitation de Noel | |
| 21 | 28.17 | Courtney Douglas | 15 | December 17, 2010 | Montreal | Provincial 1-2 de Noel | |
| 22 | 28.25 | Marisa Mitchelmore | 16 | February 6, 2006 | Etobicoke | Central Region Champs | |
| 23 | 28.28 | Jenny Cairns | 16 | February 26, 1998 | Brantford | ON Provincial Age Group Champs | |
| 24 | 28.45 | Kaylee Dakers | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 25 | 28.54 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs |
100 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 57.38 | Anne Blachford | 15 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 58.59 | Robyn Miller | 15 | December 2-5, 1993 | Winnipeg | Winter Prairie Invitational | |
| 3 | 58.92 | Michelle Cobb | 16 | February 9-11, 1996 | Sherbrooke | Junior Nationals East | |
| 4 | 59.06 | Laura Wise | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 5 | 59.20 | Cindy Bertelink | 16 | December 3-6, 1992 | Winnipeg | Winter Prairie Invitational | |
| 6 | 59.31 | Jennifer Noddle | 15 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 7 | 59.33 | Carly Porter | 16 | March 1995 | St. Catharines | Brock Meet | |
| 8 | 59.33 | Brooke Hall | 16 | December 3, 2010 | Etobicoke | Youth Cup | relay lead |
| 9 | 59.44 | Alisha Harricharan | 16 | November 7-9, 2008 | Brantford | Swim International | |
| 10 | 59.56 | Victoria Thicke-Rattray | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 11 | 59.56 | Meagan Littlejohn | 15 | December 6-10, 2007 | Etobicoke | Youth Cup | |
| 12 | 59.67 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 13 | 59.70 | Sophie Cieplucha | 16 | November 26-28, 2010 | Etobicoke | Canada Cup | relay lead |
| 14 | 59.96 | Kristina Stojadinovic | 15 | Feb 26-Mar 1, 2009 | Nepean | ON Junior Provincial Champs | |
| 15 | 1:00.02 | Lindsay Griffin | 15 | Season 1995 | |||
| 16 | 1:00.45 | Dawn Clarke | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 17 | 1:00.97 | Grace Wilkinson | 16 | February 28, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 18 | 1:01.10 | Kate Mathewson | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | relay lead |
| 19 | 1:01.17 | Kaylee Dakers | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 20 | 1:01.25 | Katie Smith | 15 | November 9-11, 2001 | Brantford | Swim International | |
| 21 | 1:01.30 | Marisa Mitchelmore | 16 | February 6, 2006 | Etobicoke | Central Region Champs | |
| 22 | 1:01.57 | Julia Drozdowsky | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 23 | 1:02.53 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 24 | 1:02.55 | Jennifer LaPorte | 16 | February 8-10, 2002 | Etobicoke | Central Region Champs | |
| 25 | 1:02.67 | Alana Colgan | 16 | February 28, 2010 | Etobicoke | ON Junior Provincial Champs |
200 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:04.72 | Cindy Bertelink | 16 | December 3, 1992 | Winnipeg | Winter Prairie Invitational | |
| 2 | 2:06.07 | Laura Wise | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 3 | 2:06.16 | Alisha Harricharan | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 4 | 2:06.54 | Anne Blachford | 16 | December 3, 1992 | Winnipeg | Winter Prairie Invitational | |
| 5 | 2:06.79 | Esther Haines | 16 | November 7-9, 2008 | Brantford | Swim International | |
| 6 | 2:07.32 | Sophie Cieplucha | 15 | December 11-13, 2009 | Montreal | Invitation de Noel | |
| 7 | 2:07.51 | Natalie Gallant | 15 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | |
| 8 | 2:07.63 | Grace Wilkinson | 16 | February 26, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 9 | 2:08.03 | Carly Porter | 16 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 10 | 2:08.60 | Heather Norris | 16 | February 28, 1998 | Brantford | ON Provincial Age Group Champs | |
| 11 | 2:08.87 | Lisa Parwicki | 16 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 12 | 2:09.54 | Robyn Miller | 16 | Season 1995 | |||
| 13 | 2:09.63 | Meagan Littlejohn | 16 | February 29, 2008 | London | ON Junior Provincial Champs | |
| 14 | 2:10.06 | Jennifer Noddle | 15 | Season 1995 | |||
| 15 | 2:10.53 | Victoria Thicke-Rattray | 16 | December 11-13, 2009 | Montreal | Invitation de Noel | |
| 16 | 2:10.79 | Dawn Clarke | 15 | Season 1988 | |||
| 17 | 2:10.88 | Kate Mathewson | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 18 | 2:11.10 | Kaylee Dakers | 16 | December 14-16, 2007 | Montreal | Provincial 1-2 de Noel | |
| 19 | 2:11.20 | Brooke Hall | 16 | December 3, 2010 | Etobicoke | Youth Cup | |
| 20 | 2:11.68 | Danielle Ranieri | 16 | December 3, 2010 | Etobicoke | Youth Cup | |
| 21 | 2:13.02 | Katie Smith | 15 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 22 | 2:13.62 | Marisa Mitchelmore | 16 | December 1-4, 2005 | Etobicoke | Youth Cup | |
| 23 | 2:14.94 | Colleen Rombough | 16 | February 8-10, 2002 | Etobicoke | Central Region Champs | |
| 24 | 2:15.06 | Jenny Cairns | 16 | February 28, 1998 | Brantford | ON Provincial Age Group Champs | |
| 25 | 2:15.75 | Ashley Zaharia | 16 | February 9-11, 2001 | Etobicoke | Central Region Champs |
400 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 4:17.12 | Cindy Bertelink | 16 | February 22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 4:23.40 | Esther Haines | 16 | November 28-30, 2008 | Etobicoke | Canada Cup | |
| 3 | 4:24.81 | Sophie Cieplucha | 16 | December 4, 2010 | Etobicoke | Youth Cup | |
| 4 | 4:25.30 | Alisha Harricharan | 15 | March 4, 2007 | Etobicoke | ON Junior Provincial Champs | |
| 5 | 4:27.71 | Kate Mathewson | 16 | February 14, 2009 | Brampton | Cobra Snow Meet | |
| 6 | 4:28.63 | Laura Wise | 15 | December 2001 | Montreal | PCSC Meet | |
| 7 | 4:30.55 | Brooke Hall | 15 | February 28, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 8 | 4:30.68 | Anne Blachford | 16 | Season 1993 | |||
| 9 | 4:32.45 | Natalie Gallant | 15 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | |
| 10 | 4:33.21 | Grace Wilkinson | 16 | February 28, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 11 | 4:33.63 | Heather Norris | 16 | March 1, 1998 | Brantford | ON Provincial Age Group Champs | |
| 12 | 4:34.46 | Lisa Parwicki | 16 | Season 1995 | |||
| 13 | 4:35.02 | Danielle Ranieri | 15 | February 28, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 14 | 4:38.35 | Kaylee Dakers | 15 | March 4, 2007 | Etobicoke | ON Junior Provincial Champs | |
| 15 | 4:41.74 | Meagan Littlejohn | 15 | January 6, 2008 | Brampton | Cash Challenge | |
| 16 | 4:43.84 | Rebecca Newman | 16 | February 6, 2009 | Etobicoke | Central Region Champs | |
| 17 | 4:45.58 | Blair Holmes | 15 | November 9-11, 2001 | Brantford | Swim International | |
| 18 | 4:46.54 | Jenny Cairns | 16 | March 1, 1998 | Brantford | ON Provincial Age Group Champs | |
| 19 | 4:47.47 | Courtney Ranieri | 16 | January 6, 2008 | Brampton | Cash Challenge | |
| 20 | 4:53.58 | Melanie Drozdowsky | 16 | January 20-22, 2006 | Oakville | Oakville Invitational | |
| 21 | 4:54.88 | Colleen Rombough | 16 | February 8-10, 2002 | Etobicoke | Central Region Champs | |
| 22 | 4:56.76 | Jacquelyn Griffin | 15 | February 9-11, 2001 | Etobicoke | Central Region Champs | |
| 23 | 4:57.51 | Brittany Watkins | 15 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | |
| 24 | 4:58.87 | Jamie Weare | 15 | January 19-21, 2007 | Etobicoke | A-B Meet | |
| 25 | 4:59.99 | Alaina Brown | 15 | November 21-23, 2003 | London | Nothers Invitational |
800 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 8:44.57 | Cindy Bertelink | 16 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 8:49.31 | Esther Haines | 16 | March 11-14, 2009 | Toronto | Spring Nationals | |
| 3 | 9:02.49 | Sophie Cieplucha | 15 | February 27, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 4 | 9:09.35 | Kate Mathewson | 16 | February 28, 2009 | Nepean | ON Junior Provincial Champs | |
| 5 | 9:11.07 | Alisha Harricharan | 15 | November 9-11, 2007 | Barrie | Meridian Aquafest | |
| 6 | 9:18.78 | Heather Norris | 15 | December 5-7, 1997 | Nepean | Ontario Senior Champs | |
| 7 | 9:21.98 | Anne Blachford | 16 | January 29-31, 1993 | Etobicoke | Ontario Senior Champs | |
| 8 | 9:23.87 | Natalie Gallant | 16 | October 29, 2005 | Brampton | Cobra Survivor | |
| 9 | 9:27.27 | Brooke Hall | 15 | December 3-6, 2009 | Etobicoke | Youth Cup | split |
| 10 | 9:33.28 | Kaylee Dakers | 16 | November 9-11, 2007 | Barrie | Meridian Aquafest | |
| 11 | 9:34.62 | Robyn Goraj | 15 | Season 1994 | |||
| 12 | 9:38.69 | Rebecca Newman | 15 | December 6-9, 2007 | Etobicoke | Youth Cup | |
| 13 | 9:40.08 | Jenny Cairns | 16 | February 27, 1998 | Brantford | ON Provincial Age Group Champs | |
| 14 | 9:47.11 | Courtney Ranieri | 15 | November 23, 2007 | London | Nothers Invitational | |
| 15 | 9:48.00 | Danielle Ranieri | 15 | February 7, 2010 | Etobicoke | Central Region Champs | split |
| 16 | 10:00.40 | Marisa Mitchelmore | 16 | October 29, 2005 | Brampton | Cobra Survivor | |
| 17 | 10:02.62 | Victoria Thicke-Rattray | 16 | January 9, 2010 | Brampton | Cash Challenge | |
| 18 | 10:07.92 | Colleen Rombough | 16 | February 8-10, 2002 | Etobicoke | Central Region Champs | |
| 19 | 10:08.75 | Brittany Watkins | 16 | October 30, 2004 | Brampton | Cobra Survivor | |
| 20 | 10:10.00 | Lauren von Bulow | 15 | January 6, 2007 | Brampton | Cash Challenge | |
| 21 | 10:11.73 | Melanie Drozdowsky | 16 | January 20, 2006 | Oakville | Oakville Invitational | |
| 22 | 10:21.28 | Jacquelyn Griffin | 16 | February 8-10, 2002 | Etobicoke | Central Region Champs | |
| 23 | 10:21.74 | Alaina Brown | 16 | October 30, 2004 | Brampton | Cobra Survivor | |
| 24 | 10:24.00 | Meghan Reidy | 15 | November 10-12, 2006 | Barrie | Autumn Aquafest | |
| 25 | 10:24.53 | Jamie Weare | 15 | November 10-12, 2006 | Barrie | Autumn Aquafest |
1500 Freestyle |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 16:34.31 | Cindy Bertelink | 16 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 16:56.18 | Esther Haines | 16 | March 11-14, 2009 | Toronto | Spring Nationals | |
| 3 | 17:12.31 | Sophie Cieplucha | 15 | February 25, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 4 | 17:26.85 | Alisha Harricharan | 15 | March 1, 2007 | Etobicoke | ON Junior Provincial Champs | |
| 5 | 17:47.52 | Kate Mathewson | 15 | February 28, 2008 | London | ON Junior Provincial Champs | |
| 6 | 17:56.28 | Brooke Hall | 15 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 7 | 18:15.22 | Danielle Ranieri | 15 | February 25, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 8 | 18:33.07 | Rebecca Newman | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 9 | 18:54.31 | Courtney Ranieri | 16 | February 28, 2008 | London | ON Junior Provincial Champs | |
| 10 | 20:06.06 | Alaina Brown | 15 | November 2, 2003 | Brampton | Cobra Survivor | |
| 11 | 21:35.87 | Erika Vodouris | 15 | February 29, 2008 | Kingston | KBM Short Course Finale |
50 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 30.39 | Kristina Stojadinovic | 15 | February 26, 2009 | Nepean | ON Junior Provincial Champs | relay lead |
| 2 | 30.51 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 3 | 30.53 | Meagan Littlejohn | 15 | December 6-9, 2007 | Etobicoke | Youth Cup | |
| 4 | 30.62 | Katie Smith | 15 | February 28, 2002 | Brantford | ON Junior Provincial Champs | relay lead |
| 5 | 31.08 | Alana Colgan | 16 | February 25, 2010 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 6 | 31.11 | Brooke Hall | 15 | January 16-17, 2010 | Toronto | Ontario Cup | |
| 7 | 31.35 | Sophie Cieplucha | 16 | October 16, 2010 | Brampton | Intraclub | |
| 8 | 31.45 | Victoria Thicke-Rattray | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | relay lead |
| 9 | 31.70 | Blair Holmes | 15 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 10 | 31.78 | Erin Paton | 16 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | relay lead |
| 11 | 31.89 | Laura Wise | 15 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 12 | 32.18 | Kaylee Dakers | 15 | January 5, 2007 | Brampton | Cash Challenge | |
| 13 | 32.59 | Danielle Ranieri | 16 | December 19, 2010 | Montreal | Provincial 1-2 de Noel | relay lead |
| 14 | 32.60 | Esther Haines | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 15 | 32.62 | Ashley Zaharia | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | relay lead |
| 16 | 32.73 | Alisha Harricharan | 16 | January 4, 2008 | Brampton | Cash Challenge | |
| 17 | 32.75 | Danielle McVicar | 16 | November 23-25, 2001 | London | Nothers Invitational | relay lead |
| 18 | 32.81 | Vanessa Iacobucci | 16 | January 24-26, 2003 | Etobicoke | NYAC Winter Invitational | |
| 19 | 32.88 | Marisa Mitchelmore | 15 | February 6, 2005 | Etobicoke | Central Region Champs | relay lead |
| 20 | 33.00 | Alaina Brown | 16 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | relay lead |
| 21 | 33.01 | Heather Norris | 16 | February 26, 1998 | Brantford | ON Provincial Age Group Champs | relay lead |
| 22 | 33.07 | Casey Beck | 15 | January 24-26, 2003 | Etobicoke | NYAC Winter Invitational | |
| 23 | 33.53 | Julia Drozdowsky | 16 | January 10, 2003 | Brampton | Cash Challenge | |
| 24 | 34.13 | Brittany Watkins | 15 | November 2, 2003 | Brampton | Cobra Survivor | |
| 25 | 34.13 | Melanie Drozdowsky | 16 | December 1-4, 2005 | Etobicoke | Youth Cup |
100 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 1:03.59 | Sophie Cieplucha | 16 | December 18, 2010 | Montreal | Provincial 1-2 de Noel | |
| 2 | 1:03.62 | Katie Smith | 15 | December 14, 2001 | Guelph | TAS-Dash for Cash | |
| 3 | 1:03.97 | Natalie Gallant | 15 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | |
| 4 | 1:04.56 | Brooke Hall | 15 | February 25, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 5 | 1:04.57 | Erica Nagy | 15 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 6 | 1:05.31 | Victoria Thicke-Rattray | 16 | February 26, 2009 | Nepean | ON Junior Provincial Champs | |
| 7 | 1:05.48 | Alana Colgan | 16 | February 25, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 8 | 1:05.57 | Lisa Parwicki | 16 | November 25-27, 1994 | Etobicoke | Eastern Canada Cup | |
| 9 | 1:05.71 | Laura Wise | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 10 | 1:05.77 | Anne Blachford | 15 | December 3-6, 1992 | Winnipeg | Winter Prairie Invitational | |
| 11 | 1:05.86 | Jennifer Archdekin | 15 | December 2-5, 1993 | Winnipeg | Winter Prairie Invitational | |
| 12 | 1:05.88 | Kristina Stojadinovic | 15 | February 26, 2009 | Nepean | ON Junior Provincial Champs | |
| 13 | 1:06.13 | Meagan Littlejohn | 15 | December 6-9, 2007 | Etobicoke | Youth Cup | |
| 14 | 1:06.34 | Jennifer Thompson | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 15 | 1:06.52 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 16 | 1:06.78 | Carly Porter | 16 | February 10-12, 1995 | Nepean | Eastern Junior Nationals | |
| 17 | 1:07.03 | Kaylee Dakers | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 18 | 1:07.73 | Alisha Harricharan | 15 | November 2-3, 2007 | Etobicoke | Harvest Invitational | |
| 19 | 1:08.04 | Danielle Ranieri | 16 | December 3, 2010 | Etobicoke | Youth Cup | |
| 20 | 1:08.33 | Marisa Mitchelmore | 16 | November 4-5, 2005 | Etobicoke | Harvest Invitational | |
| 21 | 1:08.45 | Erin Paton | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 22 | 1:08.55 | Stephanie Dixon | 16 | February 24, 2001 | Saint John | Junior Nationals East | |
| 23 | 1:08.69 | Dawn Clarke | 15 | February 1986 | TOMAC Meet | ||
| 24 | 1:09.67 | Julia Drozdowsky | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 25 | 1:09.69 | Vanessa Iacobucci | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs |
200 Backstroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:15.84 | Erica Nagy | 15 | February 20, 1992 | Winnipeg | Winter Nationals | |
| 2 | 2:16.38 | Natalie Gallant | 15 | February 26, 2005 | Nepean | ON Junior Provincial Champs | |
| 3 | 2:16.83 | Brooke Hall | 16 | November 26-28, 2010 | Etobicoke | Canada Cup | |
| 4 | 2:17.29 | Laura Wise | 15 | December 2001 | Montreal | PCSC Meet | |
| 5 | 2:17.69 | Sophie Cieplucha | 16 | December 17, 2010 | Montreal | Provincial 1-2 de Noel | |
| 6 | 2:17.85 | Katie Smith | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 7 | 2:18.87 | Victoria Thicke-Rattray | 16 | February 28, 2009 | Nepean | ON Junior Provincial Champs | |
| 8 | 2:20.18 | Jennifer Archdekin | 16 | February 27, 1995 | Montreal | Winter Nationals | |
| 9 | 2:20.65 | Lisa Parwicki | 16 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 10 | 2:21.53 | Alana Colgan | 16 | February 27, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 11 | 2:22.17 | Kaylee Dakers | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 12 | 2:22.46 | Marisa Mitchelmore | 16 | February 6, 2006 | Etobicoke | Central Region Champs | |
| 13 | 2:23.24 | Stephanie Dixon | 16 | February 25, 2001 | Saint John | Junior Nationals East | |
| 14 | 2:23.51 | Jennifer Thompson | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 15 | 2:24.18 | Cindy Bertelink | 15 | December 5-8, 1991 | Winnipeg | Winter Prairie Invitational | |
| 16 | 2:24.38 | Anne Blachford | 15 | December 5-8, 1991 | Winnipeg | Winter Prairie Invitational | |
| 17 | 2:24.45 | Alisha Harricharan | 16 | December 14-16, 2007 | Montreal | Provincial 1-2 de Noel | |
| 18 | 2:25.41 | Danielle Ranieri | 15 | December 11-13, 2009 | Montreal | Invitation de Noel | |
| 19 | 2:25.56 | Esther Haines | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 20 | 2:26.67 | Kalli Buchanan | 15 | December 12-14, 2003 | Guelph | TAS-Dash for Cash | |
| 21 | 2:26.69 | Alaina Brown | 16 | January 9, 2005 | Brampton | Cash Challenge | |
| 22 | 2:26.97 | Heather Norris | 16 | February 27, 1998 | Brantford | ON Provincial Age Group Champs | |
| 23 | 2:27.21 | Meagan Littlejohn | 15 | February 15-18, 2007 | Montreal | Speedo Eastern Canadian Champs | |
| 24 | 2:27.93 | Danielle McVicar | 16 | December 14-16, 2001 | Guelph | TAS-Dash for Cash | |
| 25 | 2:28.99 | Vanessa Iacobucci | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs |
50 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 32.69 | Anne Blachford | 16 | February 27, 1993 | Saint John | Winter Nationals | |
| 2 | 34.14 | Kaylee Dakers | 15 | November 24-26, 2006 | Etobicoke | Bell Grand Prix | |
| 3 | 34.17 | Sheryl Ross | 16 | February 20-23, 1991 | Calgary | Winter Nationals | |
| 4 | 34.81 | Kim Bacon | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | split |
| 5 | 35.92 | Sophie Cieplucha | 15 | January 8, 2010 | Brampton | Cash Challenge | |
| 6 | 36.04 | Victoria Thicke-Rattray | 15 | January 17-18, 2009 | Toronto | Ontario Cup | |
| 7 | 36.19 | Brittany Watkins | 16 | October 30, 2004 | Brampton | Cobra Survivor | |
| 8 | 36.67 | Casey Beck | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | split |
| 9 | 36.71 | Jessica Rafferty | 15 | November 26-28, 2004 | London | Nothers Invitational | |
| 10 | 36.74 | Natasha Iacobucci | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | split |
| 11 | 36.77 | Esther Haines | 16 | January 9, 2009 | Brampton | Cash Challenge | |
| 12 | 37.54 | Laura Wise | 16 | October 19, 2002 | Brampton | Intraclub | |
| 13 | 37.68 | Alaina Brown | 16 | January 7, 2005 | Brampton | Cash Challenge | |
| 14 | 37.93 | Kate Mathewson | 16 | January 9, 2009 | Brampton | Cash Challenge | |
| 15 | 38.09 | Alisha Harricharan | 16 | January 4, 2008 | Brampton | Cash Challenge | |
| 16 | 38.44 | Vanessa Iacobucci | 16 | January 10, 2003 | Brampton | Cash Challenge | |
| 17 | 38.54 | Brooke Hall | 15 | January 8, 2010 | Brampton | Cash Challenge | |
| 18 | 38.81 | Natalie Gallant | 15 | January 7, 2005 | Brampton | Cash Challenge | |
| 19 | 39.13 | Courtney Douglas | 15 | January 7, 2011 | Brampton | Cash Challenge | |
| 20 | 39.35 | Justyna Maleszyk | 16 | June 18, 2011 | Etobicoke | Summer Team Champs | |
| 21 | 39.75 | Julie Search | 15 | January 7, 2005 | Brampton | Cash Challenge | |
| 22 | 39.80 | Marisa Mitchelmore | 15 | October 30, 2004 | Brampton | Cobra Survivor | |
| 23 | 39.97 | Meghan Reidy | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 24 | 40.13 | Grace Wilkinson | 16 | January 8, 2010 | Brampton | Cash Challenge | |
| 25 | 40.41 | Marina Ajhert | 15 | January 9, 2009 | Brampton | Cash Challenge |
100 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 1:10.26 | Anne Blachford | 15 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 2 | 1:10.71 | Jennifer Noddle | 15 | February 26, 1995 | Montreal | Winter Nationals | |
| 3 | 1:10.79 | Sophie Cieplucha | 16 | December 17, 2010 | Montreal | Provincial 1-2 de Noel | |
| 4 | 1:13.08 | Sheryl Ross | 16 | February 20-23, 1991 | Calgary | Winter Nationals | |
| 5 | 1:13.40 | Kim Bacon | 16 | March 1-4, 2001 | Nepean | ON Junior Provincial Champs | |
| 6 | 1:13.60 | Kaylee Dakers | 15 | February 15-18, 2007 | Montreal | Speedo Eastern Canadian Champs | |
| 7 | 1:14.85 | Natasha Iacobucci | 16 | March 1-4, 2001 | Nepean | ON Junior Provincial Champs | |
| 8 | 1:16.06 | Esther Haines | 16 | January 17-18, 2009 | Toronto | Ontario Cup | |
| 9 | 1:16.20 | Kristin Keery | 15 | December 2-5, 1993 | Winnipeg | Winter Prairie Invitational | |
| 10 | 1:16.36 | Victoria Thicke-Rattray | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 11 | 1:16.98 | Brittany Watkins | 15 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | |
| 12 | 1:17.07 | Casey Beck | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 13 | 1:17.23 | Jessica Rafferty | 15 | March 4-7, 2004 | Etobicoke | ON Junior Provincial Champs | |
| 14 | 1:17.32 | Yohanna Prajogo | 16 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 15 | 1:19.16 | Cindy Bertelink | 16 | Season 1993 | |||
| 16 | 1:19.20 | Alaina Brown | 16 | February 6, 2005 | Etobicoke | Central Region Champs | |
| 17 | 1:19.42 | Vanessa Iacobucci | 16 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | |
| 18 | 1:19.58 | Alisha Harricharan | 15 | November 2-3, 2007 | Etobicoke | Harvest Invitational | |
| 19 | 1:19.95 | Blair Holmes | 15 | February 15-17, 2002 | Hamilton | Joanne Malar Invitational | |
| 20 | 1:20.11 | Laura Wise | 16 | January 12, 2003 | Brampton | Cash Challenge | |
| 21 | 1:20.26 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 22 | 1:21.06 | Amanda Rogge | 15 | October 17, 2009 | Brampton | Intraclub | |
| 23 | 1:21.12 | Melanie Francis | 16 | November 14-16, 1997 | Brantford | Swim International | |
| 24 | 1:21.44 | Ashley Zaharia | 16 | February 9-11, 2001 | Etobicoke | Central Region Champs | |
| 25 | 1:21.56 | Courtney Douglas | 15 | February 26, 2011 | Nepean | ON Junior Provincial Champs |
200 Breaststroke |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:30.98 | Jennifer Noddle | 15 | February 28, 1995 | Montreal | Winter Nationals | |
| 2 | 2:31.46 | Sophie Cieplucha | 16 | November 26-28, 2010 | Etobicoke | Canada Cup | |
| 3 | 2:34.63 | Anne Blachford | 16 | February 24-27, 1993 | Saint John | Winter Nationals | |
| 4 | 2:37.30 | Kaylee Dakers | 16 | December 14-16, 2007 | Montreal | Provincial 1-2 de Noel | |
| 5 | 2:39.43 | Kristin Keery | 16 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 6 | 2:40.16 | Kim Bacon | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | |
| 7 | 2:41.04 | Esther Haines | 16 | November 7-9, 2008 | Brantford | Swim International | |
| 8 | 2:41.66 | Yohanna Prajogo | 16 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 9 | 2:41.86 | Brittany Watkins | 16 | March 4-7, 2004 | Etobicoke | ON Junior Provincial Champs | |
| 10 | 2:42.86 | Casey Beck | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 11 | 2:43.22 | Sheryl Ross | 16 | December 1, 1990 | Etobicoke | Pepsi Canada Cup | |
| 12 | 2:43.39 | Victoria Thicke-Rattray | 16 | February 26, 2009 | Nepean | ON Junior Provincial Champs | |
| 13 | 2:47.29 | Natasha Iacobucci | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | |
| 14 | 2:47.60 | Alaina Brown | 16 | February 6, 2005 | Etobicoke | Central Region Champs | |
| 15 | 2:49.82 | Vanessa Iacobucci | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 16 | 2:51.53 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 17 | 2:52.05 | Brooke Hall | 16 | January 8, 2011 | Brampton | Cash Challenge | |
| 18 | 2:52.49 | Jessica Rafferty | 15 | February 19-22, 2004 | Halifax | Eastern Canadian Champs | |
| 19 | 2:53.16 | Carrie Patterson | 16 | November 14-16, 1997 | Brantford | Swim International | |
| 20 | 2:54.96 | Laura Wise | 16 | January 11, 2003 | Brampton | Cash Challenge | |
| 21 | 2:55.19 | Kate Mathewson | 16 | January 10, 2009 | Brampton | Cash Challenge | |
| 22 | 2:56.63 | Melanie Francis | 16 | November 14-16, 1997 | Brantford | Swim International | |
| 23 | 2:58.57 | Katie Hlapcic | 16 | December 14-16, 2001 | Guelph | TAS-Dash for Cash | |
| 24 | 2:58.67 | Marisa Mitchelmore | 16 | November 11-13, 2005 | Barrie | Autumn Aquafest | |
| 25 | 2:58.81 | Leslie Bonello | 16 | November 14-16, 1997 | Brantford | Swim International |
50 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 28.34 | Alisha Harricharan | 16 | November 28, 2008 | Etobicoke | Canada Cup | |
| 2 | 29.21 | Brooke Hall | 16 | December 19, 2010 | Montreal | Provincial 1-2 de Noel | |
| 3 | 29.93 | Meagan Littlejohn | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 4 | 30.47 | Blair Holmes | 15 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 5 | 30.50 | Kristina Stojadinovic | 15 | January 8, 2010 | Brampton | Cash Challenge | |
| 6 | 30.54 | Sophie Cieplucha | 15 | January 8, 2010 | Brampton | Cash Challenge | |
| 7 | 30.69 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 8 | 31.17 | Heather Norris | 16 | February 26, 1998 | Brantford | ON Provincial Age Group Champs | split |
| 9 | 31.19 | Kim Bacon | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | split |
| 10 | 31.32 | Brittany Watkins | 16 | January 9, 2004 | Brampton | Cash Challenge | |
| 11 | 31.48 | Kate Mathewson | 16 | January 17-18, 2009 | Toronto | Ontario Cup | |
| 12 | 31.58 | Laura Wise | 16 | January 10, 2003 | Brampton | Cash Challenge | |
| 13 | 31.63 | Katie Smith | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | split |
| 14 | 31.86 | Sarah Moore | 15 | January 23-25, 2009 | Oakville | Oakville Invitational | |
| 15 | 31.89 | Danielle Ranieri | 15 | January 8, 2010 | Brampton | Cash Challenge | |
| 16 | 32.04 | Victoria Thicke-Rattray | 16 | January 8, 2010 | Brampton | Cash Challenge | |
| 17 | 32.08 | Kaylee Dakers | 15 | January 5, 2007 | Brampton | Cash Challenge | |
| 18 | 32.27 | Julia Drozdowsky | 16 | January 10, 2003 | Brampton | Cash Challenge | |
| 19 | 32.45 | Melanie Drozdowsky | 16 | January 6, 2006 | Brampton | Cash Challenge | |
| 20 | 32.62 | Alaina Brown | 16 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 21 | 32.70 | Courtney Ranieri | 16 | October 18, 2008 | Brampton | Intraclub | |
| 22 | 32.78 | Vanessa Iacobucci | 16 | January 10, 2003 | Brampton | Cash Challenge | |
| 23 | 32.88 | Rebecca Newman | 16 | January 9, 2009 | Brampton | Cash Challenge | |
| 24 | 33.17 | Cassandra Zawadowski | 16 | February 26, 1998 | Brantford | ON Provincial Age Group Champs | split |
| 25 | 33.18 | Marina Ajhert | 15 | December 4-7, 2008 | Etobicoke | Youth Cup |
100 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 1:02.11 | Alisha Harricharan | 16 | December 5, 2008 | Etobicoke | Youth Cup | |
| 2 | 1:02.55 | Brooke Hall | 16 | December 18, 2010 | Montreal | Provincial 1-2 de Noel | |
| 3 | 1:03.48 | Anne Blachford | 16 | February 24-27, 1993 | Saint John | Winter Nationals | |
| 4 | 1:04.42 | Jennifer Thompson | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 5 | 1:04.89 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 6 | 1:05.71 | Carly Porter | 16 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 7 | 1:05.74 | Erica Nagy | 16 | December 3-6, 1992 | Winnipeg | Winter Prairie Invitational | |
| 8 | 1:06.01 | Shona Patterson | 16 | October 1998 | Etobicoke | NYAC Meet | |
| 9 | 1:06.34 | Natalie Gallant | 16 | December 1-4, 2005 | Etobicoke | Youth Cup | |
| 10 | 1:06.46 | Jennifer Noddle | 15 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 11 | 1:06.47 | Victoria Thicke-Rattray | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 12 | 1:06.57 | Michelle Cobb | 16 | November 18-20, 1995 | Nepean | Division 1 Team Champs | |
| 13 | 1:06.59 | Sophie Cieplucha | 15 | January 16-17, 2010 | Toronto | Ontario Cup | |
| 14 | 1:06.80 | Meagan Littlejohn | 16 | December 12-14, 2008 | Pickering | Lisa Flood Classic | |
| 15 | 1:07.18 | Kristina Stojadinovic | 15 | February 26, 2009 | Nepean | ON Junior Provincial Champs | |
| 16 | 1:07.20 | Heather Norris | 16 | February 26, 1998 | Brantford | ON Provincial Age Group Champs | |
| 17 | 1:07.28 | Cindy Bertelink | 16 | Season 1993 | |||
| 18 | 1:07.43 | Katie Smith | 15 | Nov 30-Dec 2, 2001 | Etobicoke | ON Senior Provincial Champs | |
| 19 | 1:07.44 | Kate Mathewson | 16 | January 17-18, 2009 | Toronto | Ontario Cup | |
| 20 | 1:08.16 | Kalli Buchanan | 15 | December 12-14, 2003 | Guelph | TAS-Dash for Cash | |
| 21 | 1:08.42 | Kim Bacon | 15 | March 2-5, 2000 | Etobicoke | ON Junior Provincial Champs | |
| 22 | 1:09.41 | Laura Wise | 15 | November 9-11, 2001 | Brantford | Swim International | |
| 23 | 1:09.58 | Brittany Watkins | 16 | January 11, 2004 | Brampton | Cash Challenge | |
| 24 | 1:10.08 | Danielle Ranieri | 15 | January 22-24, 2010 | Oakville | Oakville Invitational | |
| 25 | 1:10.10 | Sarah Moore | 15 | February 14, 2009 | Brampton | Cobra Snow Meet |
200 Butterfly |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:15.08 | Alisha Harricharan | 16 | November 30, 2008 | Etobicoke | Canada Cup | |
| 2 | 2:15.89 | Brooke Hall | 16 | December 17, 2010 | Montreal | Provincial 1-2 de Noel | |
| 3 | 2:21.73 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 4 | 2:22.43 | Sophie Cieplucha | 16 | December 4, 2010 | Etobicoke | Youth Cup | |
| 5 | 2:23.07 | Shona Patterson | 16 | November 13-15, 1998 | Brantford | Swim International | |
| 6 | 2:23.50 | Katie Smith | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 7 | 2:23.62 | Jennifer Noddle | 15 | December 1-4, 1994 | Winnipeg | Winter Prairie Invitational | |
| 8 | 2:23.97 | Cindy Bertelink | 16 | November 20-22, 1992 | Etobicoke | A Team Champs | |
| 9 | 2:24.04 | Heather Norris | 16 | March 1, 1998 | Brantford | ON Provincial Age Group Champs | |
| 10 | 2:26.89 | Kate Mathewson | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 11 | 2:27.53 | Jennifer Thompson | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 12 | 2:27.64 | Anne Blachford | 16 | Season 1993 | |||
| 13 | 2:28.08 | Erica Nagy | 16 | Season 1993 | |||
| 14 | 2:28.73 | Natalie Gallant | 15 | January 8, 2005 | Brampton | Cash Challenge | |
| 15 | 2:29.03 | Esther Haines | 16 | January 10, 2009 | Brampton | Cash Challenge | |
| 16 | 2:34.52 | Danielle Ranieri | 15 | February 6, 2010 | Etobicoke | Central Region Champs | |
| 17 | 2:34.90 | Sarah Moore | 15 | February 14, 2009 | Brampton | Cobra Snow Meet | |
| 18 | 2:36.23 | Courtney Ranieri | 16 | November 7-9, 2008 | Brantford | Swim International | |
| 19 | 2:36.74 | Brittany Watkins | 16 | January 10, 2004 | Brampton | Cash Challenge | |
| 20 | 2:36.87 | Meagan Littlejohn | 15 | January 5, 2008 | Brampton | Cash Challenge | |
| 21 | 2:38.78 | Melanie Drozdowsky | 15 | February 26, 2005 | Nepean | ON Junior Provincial Champs | |
| 22 | 2:39.06 | Laura Wise | 16 | January 11, 2003 | Brampton | Cash Challenge | |
| 23 | 2:39.35 | Victoria Thicke-Rattray | 15 | November 7-9, 2008 | Brantford | Swim International | |
| 24 | 2:39.75 | Rebecca Newman | 16 | January 10, 2009 | Brampton | Cash Challenge | |
| 25 | 2:44.19 | Kaylee Dakers | 15 | October 21, 2006 | Brampton | Intraclub |
200 Individual Medley |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 2:16.80 | Anne Blachford | 16 | February 26, 1993 | Saint John | Winter Nationals | |
| 2 | 2:17.30 | Jennifer Noddle | 15 | February 27, 1995 | Montreal | Winter Nationals | |
| 3 | 2:17.55 | Sophie Cieplucha | 16 | November 12-14, 2010 | Brantford | Swim International | |
| 4 | 2:22.37 | Cindy Bertelink | 16 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 5 | 2:22.48 | Victoria Thicke-Rattray | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 6 | 2:22.69 | Natalie Gallant | 15 | December 10-12, 2004 | Guelph | TAS-Dash for Cash | |
| 7 | 2:23.69 | Kaylee Dakers | 15 | March 4, 2007 | Etobicoke | Youth Cup | |
| 8 | 2:24.06 | Laura Wise | 16 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | |
| 9 | 2:24.83 | Blair Holmes | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 10 | 2:24.84 | Brooke Hall | 15 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 11 | 2:24.95 | Kim Bacon | 16 | March 1-4, 2001 | Nepean | ON Junior Provincial Champs | |
| 12 | 2:24.97 | Alisha Harricharan | 15 | November 9-11, 2007 | Barrie | Meridian Aquafest | |
| 13 | 2:24.99 | Esther Haines | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 14 | 2:25.90 | Lisa Parwicki | 16 | December 1-4, 1995 | Winnipeg | Winter Prairie Invitational | |
| 15 | 2:26.64 | Dawn Clarke | 16 | February 26-28, 1988 | Etobicoke | A Team Champs | |
| 16 | 2:26.93 | Katie Smith | 15 | December 14-16, 2001 | Guelph | TAS-Dash for Cash | |
| 17 | 2:27.15 | Kristina Stojadinovic | 15 | March 1, 2009 | Nepean | ON Junior Provincial Champs | |
| 18 | 2:28.66 | Marisa Mitchelmore | 16 | February 4, 2006 | Etobicoke | Central Region Champs | |
| 19 | 2:29.25 | Alaina Brown | 16 | February 4, 2005 | Etobicoke | Central Region Champs | |
| 20 | 2:30.39 | Brittany Watkins | 16 | March 4-7, 2007 | Etobicoke | ON Junior Provincial Champs | |
| 21 | 2:30.71 | Danielle Ranieri | 15 | February 5, 2010 | Etobicoke | Central Region Champs | |
| 22 | 2:30.83 | Vanessa Iacobucci | 16 | December 13-15, 2002 | Guelph | TAS-Dash for Cash | |
| 23 | 2:31.32 | Kate Mathewson | 16 | December 4-7, 2008 | Etobicoke | Youth Cup | |
| 24 | 2:33.20 | Courtney Ranieri | 15 | December 14-16, 2007 | Montreal | Provincial 1-2 de Noel | |
| 25 | 2:34.23 | Yohanna Prajogo | 15 | November 26, 2000 | Etobicoke | ON Senior Provincial Champs |
400 Individual Medley |
| Rk | Time | Swimmer | Age | Date | City | Meet | |
| 1 | 4:52.10 | Sophie Cieplucha | 16 | December 3, 2010 | Etobicoke | Youth Cup | |
| 2 | 4:52.94 | Jennifer Noddle | 15 | February 26, 1995 | Montreal | Winter Nationals | |
| 3 | 4:55.52 | Anne Blachford | 15 | February 19-22, 1992 | Winnipeg | Winter Nationals | |
| 4 | 4:57.26 | Cindy Bertelink | 16 | Feb 29-Mar 1, 1992 | Montreal | Quebec Age Group Champs | |
| 5 | 5:00.12 | Esther Haines | 16 | November 28-30, 2008 | Etobicoke | Canada Cup | |
| 6 | 5:02.48 | Natalie Gallant | 15 | December 2-5, 2004 | Etobicoke | Youth Cup | |
| 7 | 5:03.78 | Brooke Hall | 16 | February 25, 2011 | Nepean | ON Junior Provincial Champs | |
| 8 | 5:06.30 | Alisha Harricharan | 16 | November 28-30, 2008 | Etobicoke | Canada Cup | |
| 9 | 5:06.45 | Victoria Thicke-Rattray | 16 | February 27, 2009 | Nepean | ON Junior Provincial Champs | |
| 10 | 5:07.36 | Blair Holmes | 15 | November 2001 | Brantford | Swim International | |
| 11 | 5:07.77 | Kaylee Dakers | 16 | February 29, 2008 | London | ON Junior Provincial Champs | |
| 12 | 5:08.82 | Katie Smith | 15 | Feb 28-Mar 3, 2002 | Brantford | ON Junior Provincial Champs | |
| 13 | 5:10.13 | Erica Nagy | 15 | December 5-8, 1991 | Winnipeg | Winter Prairie Invitational | |
| 14 | 5:13.10 | Kate Mathewson | 16 | January 17-18, 2009 | Toronto | Ontario Cup | |
| 15 | 5:14.61 | Courtney Ranieri | 15 | December 7-9, 2007 | Etobicoke | Mega City | |
| 16 | 5:15.68 | Danielle Ranieri | 15 | February 26, 2010 | Etobicoke | ON Junior Provincial Champs | |
| 17 | 5:18.42 | Laura Wise | 16 | November 2, 2002 | Brampton | Cobra Fall Distance Meet | |
| 18 | 5:18.65 | Alaina Brown | 16 | February 5, 2005 | Etobicoke | Central Region Champs | |
| 19 | 5:18.89 | Kalli Buchanan | 15 | December 12-14, 2003 | Guelph | TAS-Dash for Cash | |
| 20 | 5:18.92 | Brittany Watkins | 15 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 21 | 5:29.78 | Casey Beck | 16 | Feb 27-Mar 2, 2003 | Nepean | ON Junior Provincial Champs | |
| 22 | 5:30.41 | Grace Wilkinson | 16 | December 3-6, 2009 | Etobicoke | Youth Cup | |
| 23 | 5:30.69 | Rebecca Newman | 15 | December 7-9, 2007 | Etobicoke | Mega City | |
| 24 | 5:31.51 | Meghan Reidy | 15 | December 7-10, 2006 | Etobicoke | Youth Cup | |
| 25 | 5:38.58 | Meagan Littlejohn | 15 | January 6, 2008 | Brampton | Cash Challenge |
| 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