Toronto
| 2023 | Christian Lundgaard |
| 2022 | Scott Dixon |
| 2019 | Simon Pagenaud |
| 2018 | Scott Dixon |
| 2017 | Josef Newgarden |
| 2016 | Will Power |
| 2015 | Josef Newgarden |
| 2014 | Mike Conway |
| 2014 | Sebastien Bourdais |
| 2013 | Scott Dixon |
| 2013 | Scott Dixon |
| 2012 | Ryan Hunter-Reay |
| 2011 | Dario Franchitti |
| 2010 | Will Power |
| 2009 | Dario Franchitti |
| 2007 | Will Power |
| 2006 | AJ Allmendinger |
| 2005 | Justin Wilson |
| 2004 | Sebastien Bourdais |
| 2003 | Paul Tracy |
| 2002 | Cristiano da Matta |
| 2001 | Michael Andretti |
| 2000 | Michael Andretti |
| 1999 | Dario Franchitti |
| 1998 | Alex Zanardi |
| 1997 | Mark Blundell |
| 1996 | Adrian Fernandez |
| 1995 | Michael Andretti |
| 1994 | Michael Andretti |
| 1993 | Paul Tracy |
| 1992 | Michael Andretti |
| 1991 | Michael Andretti |
| 1990 | Al Unser Jnr |
| 1989 | Michael Andretti |
| 1988 | Al Unser Jnr |
| 1987 | Emerson Fittipaldi |
| 1986 | Bobby Rahal |
Team
| 2023 | Rahal Letterman Lanigan Racing |
| 2022 | Chip Ganassi Racing |
| 2019 | Team Penske |
| 2018 | Chip Ganassi Racing |
| 2017 | Team Penske |
| 2016 | Team Penske |
| 2015 | CFH Racing |
| 2014 | Ed Carpenter Racing |
| 2014 | KV Racing Technology |
| 2013 | Chip Ganassi Racing |
| 2013 | Chip Ganassi Racing |
| 2012 | Andretti Autosport |
| 2011 | Chip Ganassi Racing |
| 2010 | Team Penske |
| 2009 | Chip Ganassi Racing |
| 2007 | Team Australia |
| 2006 | Forsyth Racing |
| 2005 | RuSport |
| 2004 | Newman Haas Racing |
| 2003 | Forsyth Racing |
| 2002 | Newman Haas Racing |
| 2001 | Team Green |
| 2000 | Newman Haas Racing |
| 1999 | Team Green |
| 1998 | Chip Ganassi Racing |
| 1997 | PacWest Racing |
| 1996 | Tasman Motorsports |
| 1995 | Newman Haas Racing |
| 1994 | Chip Ganassi Racing |
| 1993 | Marlboro Team Penske |
| 1992 | Newman Haas Racing |
| 1991 | Newman Haas Racing |
| 1990 | Galles Kraco Racing |
| 1989 | Newman Haas Racing |
| 1988 | Galles Racing |
| 1987 | Patrick Racing |
| 1986 | Truesports |
Qualifying
| 2023 | 1:04.156 | Christian Lundgaard |
| 2022 | 0:59.269 | Colton Herta |
| 2019 | 0:58.429 | Simon Pagenaud |
| 2018 | 0:59.495 | Josef Newgarden |
| 2017 | 0:58.912 | Simon Pagenaud |
| 2016 | 0:59.907 | Scott Dixon |
| 2015 | 0:59.428 | Will Power |
| 2014 | N/A | Helio Castroneves |
| 2014 | 0:58.947 | Sebastien Bourdais |
| 2013 | 0:58.968 | Scott Dixon |
| 2013 | 0:59.675 | Dario Franchitti |
| 2012 | 0:59.351 | Dario Franchitti |
| 2011 | 0:59.577 | Will Power |
| 2010 | 1:00.271 | Justin Wilson |
| 2009 | 1:01.024 | Dario Franchitti |
| 2007 | 0:58.288 | Sebastien Bourdais |
| 2006 | 0:58.182 | Justin Wilson |
| 2005 | 0:58.552 | Sebastien Bourdais |
| 2004 | 0:58.558 | Sebastien Bourdais |
| 2003 | 0:58.839 | Paul Tracy |
| 2002 | 0:58.135 | Cristiano da Matta |
| 2001 | 0:57.703 | Gil de Ferran |
| 2000 | 0:57.200 | Helio Castroneves |
| 1999 | 0:57.143 | Gil de Ferran |
| 1998 | 0:58.694 | Dario Franchitti |
| 1997 | 0:58.618 | Dario Franchitti |
| 1996 | 0:58.060 | Andre Ribeiro |
| 1995 | 0:58.046 | Jacques Villeneuve |
| 1994 | 0:58.154 | Robby Walker |
| 1993 | 0:58.256 | Emerson Fittipaldi |
| 1992 | 0:59.057 | Bobby Rahal |
| 1991 | 0:59.077 | Michael Andretti |
| 1990 | 0:59.883 | Danny Sullivan |
| 1989 | 0:59.499 | Emerson Fittipaldi |
| 1988 | 1:00.274 | Danny Sullivan |
| 1987 | 1:00.930 | Bobby Rahal |
| 1986 | 1:00.312 | Emerson Fittipaldi |
