| September 17, 1972 | Portland International Raceway, Portland, OR | SCCA Two-Five Challenge | John Morton | |
| June 15, 1975 | G.I. Joe's Trans Am | Portland International Raceway, Portland, OR | SCCA Trans Am | John Greenwood |
| June 13, 1976 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | Monte Shelton |
| June 12, 1977 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | George Follmer |
| June 11, 1978 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | Tuck Thomas |
| August 6, 1978 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Dennis Aase |
| August 6, 1978 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | Peter Gregg |
| June 10, 1979 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | John Paul |
| August 5, 1979 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Don Devendorf |
| August 5, 1979 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | Peter Gregg |
| June 15, 1980 | Portland International Raceway, Portland, OR | SCCA Trans Am | Mark Pielsticker | |
| August 3, 1980 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | John Fitzpatrick |
| August 3, 1980 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Walt Bohren |
| June 14, 1981 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | Bob Tullius |
| August 2, 1981 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | Brian Redman |
| August 2, 1981 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Lee Mueller |
| June 13, 1982 | G.I. Joe's Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | Doc Bundy |
| August 1, 1982 | G.I. Joe's Toyota Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Roger Mandeville |
| August 1, 1982 | G.I. Joe's Toyota Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | John Paul Jr. |
| June 12, 1983 | G.I. Joe's Budweiser Trans Am | Portland International Raceway, Portland, OR | SCCA Trans Am | Willy T. Ribbs |
| July 31, 1983 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | Al Holbert |
| June 16, 1984 | Portland 200 | Portland International Raceway, Portland, OR | SCCA Trans Am | Greg Pickett |
| June 17, 1984 | Stroh's/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Al Unser Jr. |
| July 28, 1984 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GT | Randy Lanier Bill Whittington |
| July 28, 1984 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTU | Jack Baldwin |
| June 15, 1985 | Portland International Raceway, Portland, OR | SCCA Trans Am | Wally Dallenbach Jr. | |
| June 16, 1985 | Stroh's/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Mario Andretti |
| July 28, 1985 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Al Holbert |
| July 28, 1985 | Portland International Raceway, Portland, OR | IMSA GTO/GTU | Darin Brassfield | |
| May 11, 1986 | Toyo Tire Shrine Cup Twin 4 Hours of Portland | Portland International Raceway, Portland, OR | SCCA Escort Endurance | Peter Farrell David Vegher |
| May 11, 1986 | Toyo Tire Shrine Cup Twin 4 Hours of Portland | Portland International Raceway, Portland, OR | SCCA Escort Endurance | Bobby Archer Tommy Archer |
| June 14, 1986 | Merkur Summer Classic | Portland International Raceway, Portland, OR | SCCA Trans Am | Wally Dallenbach Jr. |
| June 15, 1986 | Budweiser G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Mario Andretti |
| July 27, 1986 | Portland International Raceway, Portland, OR | IMSA Firestone Firehawk | Bill Bayley Andy Pilgrim | |
| July 27, 1986 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Al Holbert |
| July 27, 1986 | Portland International Raceway, Portland, OR | IMSA GTO/GTU | Scott Pruett Bruce Jenner | |
| August 24, 1986 | Motorcraft 300 | Portland International Raceway, Portland, OR | NASCAR Winston West Series | Hershel McGriff |
| June 7, 1987 | Merkur Summer Classic | Portland International Raceway, Portland, OR | SCCA Trans Am | Pete Halsmer |
| June 14, 1987 | Budweiser G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Bobby Rahal |
| July 26, 1987 | Purolator 300k | Portland International Raceway, Portland, OR | IMSA GTO/GTU | Chris Cord |
| July 26, 1987 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Chip Robinson |
| June 18, 1988 | Portland International Raceway, Portland, OR | SCCA Corvette Challenge | Juan Manuel Fangio II | |
| June 19, 1988 | Portland International Raceway, Portland, OR | CART American Racing Series | Tommy Byrne | |
| June 19, 1988 | Portland 200 | Portland International Raceway, Portland, OR | CART Indy Car | Danny Sullivan |
| July 31, 1988 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Geoff Brabham |
| July 31, 1988 | Portland International Raceway, Portland, OR | IMSA GTO/GTU | Pete Halsmer | |
| June 25, 1989 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Emerson Wojciechowska Fittipaldi |
| June 25, 1989 | Portland International Raceway, Portland, OR | CART American Racing Series | Tommy Byrne | |
| July 29, 1989 | Portland International Raceway, Portland, OR | IMSA Firestone Firehawk | Ron Christensen | |
| July 30, 1989 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Jan Lammers Price Cobb |
| July 30, 1989 | Portland International Raceway, Portland, OR | IMSA GTO/GTU | Pete Halsmer | |
| June 23, 1990 | Oldsmobile Trans-Am Classic | Portland International Raceway, Portland, OR | SCCA Trans Am | Darin Brassfield |
| June 24, 1990 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Michael Andretti |
| June 24, 1990 | Portland International Raceway, Portland, OR | CART American Racing Series | Paul Tracy | |
| July 29, 1990 | Purolator IMSA GT | Portland International Raceway, Portland, OR | IMSA GTO/GTU/AAC | Dorsey Schroeder |
| July 29, 1990 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Davy Jones |
| June 22, 1991 | Portland International Raceway, Portland, OR | SCCA Trans Am | Irv Hoerr | |
| June 23, 1991 | Portland International Raceway, Portland, OR | CART Indy Lights | Eric Bachelart | |
| June 23, 1991 | Budweiser G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Michael Andretti |
| July 27, 1991 | Portland International Raceway, Portland, OR | IMSA Supercar | Hurley Haywood | |
| July 28, 1991 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | Juan Manuel Fangio II |
| July 28, 1991 | Portland International Raceway, Portland, OR | IMSA GTO/GTU/AAC | Robby Gordon | |
| June 20, 1992 | Portland International Raceway, Portland, OR | SCCA Trans Am | Paul Gentilozzi | |
| June 21, 1992 | Portland International Raceway, Portland, OR | CART Indy Lights | Franck Fréon | |
| June 21, 1992 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Michael Andretti |
| July 25, 1992 | Portland International Raceway, Portland, OR | IMSA Firestone Firehawk | Nick Ham Rich Moskalik | |
| July 25, 1992 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights | P.J. Jones |
| July 25, 1992 | Portland International Raceway, Portland, OR | IMSA GTS/GTO/GTU | Darin Brassfield | |
| July 26, 1992 | Portland International Raceway, Portland, OR | IMSA Supercar | Doc Bundy | |
| June 26, 1993 | Portland International Raceway, Portland, OR | SCCA Trans Am | Ron Fellows | |
| June 27, 1993 | Portland International Raceway, Portland, OR | CART Indy Lights | Franck Fréon | |
| June 27, 1993 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Emerson Wojciechowska Fittipaldi |
| August 1, 1993 | Portland International Raceway, Portland, OR | IMSA Supercar | Hans Joachim Stuck | |
| August 1, 1993 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTS/GTO/GTU | Darin Brassfield |
| August 1, 1993 | G.I. Joe's Grand Prix | Portland International Raceway, Portland, OR | IMSA GTP/Lights/WSC | Juan Manuel Fangio II |
| June 25, 1994 | Portland International Raceway, Portland, OR | SCCA Trans Am | Ron Fellows | |
| June 26, 1994 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Al Unser Jr. |
| June 26, 1994 | Portland International Raceway, Portland, OR | CART Indy Lights | André Ribeiro | |
| August 7, 1994 | Portland International Raceway, Portland, OR | IMSA Supercar | Shawn Hendricks | |
| August 7, 1994 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IMSA World Sports Car | Jeremy Dale Bob Schader |
| August 7, 1994 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IMSA GTS/GTO/GTU | Steve Millen |
| June 18, 1995 | Rain-X Rose Cup | Portland International Raceway, Portland, OR | SCCA Trans Am | Ron Fellows |
| June 24, 1995 | Trendwest Resorts 100 | Portland International Raceway, Portland, OR | NASCAR Northwest Series | Mark Martin |
| June 25, 1995 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Al Unser Jr. |
| June 25, 1995 | Portland International Raceway, Portland, OR | CART Indy Lights | Greg Moore | |
| June 22, 1996 | Portland International Raceway, Portland, OR | SCCA North American Touring Car | Randy Pobst | |
| June 22, 1996 | Portland International Raceway, Portland, OR | SCCA North American Touring Car | Randy Pobst | |
| June 23, 1996 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Alex Zanardi |
| June 23, 1996 | Portland International Raceway, Portland, OR | CART Indy Lights | Gualter Salles | |
| June 21, 1997 | Portland International Raceway, Portland, OR | CART North American Touring Car | Peter Cunningham | |
| June 21, 1997 | Portland International Raceway, Portland, OR | CART North American Touring Car | David Donohue | |
| June 22, 1997 | Portland International Raceway, Portland, OR | CART Indy Lights | Hideki Noda 野田 英樹 | |
| June 22, 1997 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Mark Blundell |
| June 21, 1998 | Portland International Raceway, Portland, OR | CART Indy Lights | Guy Smith | |
| June 21, 1998 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Alex Zanardi |
| June 18, 1999 | Grainger Industrial Supply 225K | Portland International Raceway, Portland, OR | NASCAR Craftsman Truck Series | Greg Biffle |
| June 19, 1999 | Portland International Raceway, Portland, OR | IMSA Barber Dodge Pro | Jeff Simmons | |
| June 20, 1999 | Budweiser/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Gil de Ferran |
| June 20, 1999 | Portland International Raceway, Portland, OR | CART Indy Lights | Philipp Peter | |
| August 1, 1999 | Rose City Grand Prix | Portland International Raceway, Portland, OR | IMSA American LeMans Series | David Brabham Éric Bernard |
| April 22, 2000 | Line-X 225 | Portland International Raceway, Portland, OR | NASCAR Craftsman Truck Series | Andy Houston |
| June 25, 2000 | Portland International Raceway, Portland, OR | CART Indy Lights | Jason Bright | |
| June 25, 2000 | Freightliner/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Gil de Ferran |
| September 10, 2000 | Rose City Grand Prix | Portland International Raceway, Portland, OR | IMSA American LeMans Series | Allan McNish Rinaldo Capello |
| June 24, 2001 | Freightliner/G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Max Papis |
| June 24, 2001 | Portland International Raceway, Portland, OR | CART Indy Lights | Damien Faulkner | |
| August 4, 2001 | Tommy Bahama 125 | Portland International Raceway, Portland, OR | SCCA Trans Am | Tommy Archer |
| August 5, 2001 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IMSA American LeMans Series | Jan Magnussen David Brabham |
| June 15, 2002 | Portland International Raceway, Portland, OR | CART Toyota Atlantic | Luis Díaz Castell | |
| June 16, 2002 | Portland International Raceway, Portland, OR | CART Barber Dodge Pro | A.J. Allmendinger | |
| June 16, 2002 | G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Cristiano Monteiro da Matta |
| June 21, 2003 | Portland International Raceway, Portland, OR | CART Toyota Atlantic | Ryan Dalziel | |
| June 22, 2003 | G.I. Joe's 200 | Portland International Raceway, Portland, OR | CART Indy Car | Adrián Fernández Mier |
| June 22, 2003 | Portland International Raceway, Portland, OR | CART Barber Dodge Pro | Leonardo Maia | |
| June 19, 2004 | Argent Mortgage Toyota Atlantic | Portland International Raceway, Portland, OR | CCWS Toyota Atlantic | Jon Fogarty |
| June 19, 2004 | Albertson's 100 | Portland International Raceway, Portland, OR | SCCA Trans Am | Paul Gentilozzi |
| June 20, 2004 | Grand Prix of Portland | Portland International Raceway, Portland, OR | CCWS Indy Car | Sébastien Bourdais |
| June 20, 2004 | Argent Mortgage Toyota Atlantic | Portland International Raceway, Portland, OR | CCWS Toyota Atlantic | Jon Fogarty |
| July 25, 2004 | Portland Grand Prix | Portland International Raceway, Portland, OR | IMSA American LeMans Series | J.J. Lehto Marco Werner |
| June 18, 2005 | Portland International Raceway, Portland, OR | CCWS Toyota Atlantic | Tõnis Kasemets | |
| June 18, 2005 | Rose City 100 | Portland International Raceway, Portland, OR | SCCA Trans Am | Klaus Graf |
| June 19, 2005 | Portland International Raceway, Portland, OR | CCWS Toyota Atlantic | Tõnis Kasemets | |
| June 19, 2005 | Grand Prix of Portland | Portland International Raceway, Portland, OR | CCWS Indy Car | Cristiano Monteiro da Matta |
| July 30, 2005 | Portland Grand Prix | Portland International Raceway, Portland, OR | IMSA American LeMans Series | Frank Biela Emanuele Pirro |
| July 30, 2005 | Portland International Raceway, Portland, OR | IMSA Star Mazda | Graham Rahal | |
| June 18, 2006 | Trinity Carpet 100 | Portland International Raceway, Portland, OR | CCWS Mazda Atlantic | James Hinchcliffe |
| June 18, 2006 | Grand Prix of Portland | Portland International Raceway, Portland, OR | CCWS Indy Car | A.J. Allmendinger |
| July 22, 2006 | Portland Grand Prix | Portland International Raceway, Portland, OR | IMSA American LeMans Series | Rinaldo Capello Allan McNish |
| June 9, 2007 | Portland International Raceway, Portland, OR | CCWS Mazda Atlantic | Robert Wickens | |
| June 10, 2007 | Mazda Grand Prix of Portland | Portland International Raceway, Portland, OR | CCWS Indy Car | Sébastien Bourdais |
| June 10, 2007 | Portland International Raceway, Portland, OR | CCWS Mazda Atlantic | Kevin Lacroix | |
| June 14, 2009 | Rose Cup Classic | Portland International Raceway, Portland, OR | SCCA Trans Am | Tomy Drissi |
| July 19, 2009 | Bi-Mart Salute to the Troops 125 | Portland International Raceway, Portland, OR | NASCAR West Series | Jim Inglebright |
| July 18, 2010 | Bi-Mart Salute to the Troops 125 | Portland International Raceway, Portland, OR | NASCAR West Series | Patrick Long |
| July 24, 2011 | Bi-Mart Salute to the Troops 125 | Portland International Raceway, Portland, OR | NASCAR West Series | Luis Martinez |
| August 26, 2012 | NAPA Auto Parts Salute to the Troops 125 | Portland International Raceway, Portland, OR | NASCAR West Series | Greg Pursley |
| September 1, 2018 | Portland International Raceway, Portland, OR | IRL Indy Lights | Patricio O'Ward Junco | |
| September 1, 2018 | Portland International Raceway, Portland, OR | IRL USF2000 | Kyle Kirkwood | |
| September 1, 2018 | Portland International Raceway, Portland, OR | IRL Pro Mazda | Oliver Askew | |
| September 2, 2018 | Portland International Raceway, Portland, OR | IRL Indy Lights | Patricio O'Ward Junco | |
| September 2, 2018 | Portland International Raceway, Portland, OR | IRL USF2000 | Kyle Kirkwood | |
| September 2, 2018 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IRL Indy Car | Takuma Sato 佐藤 琢磨 |
| September 2, 2018 | Portland International Raceway, Portland, OR | IRL Pro Mazda | David Malukas | |
| August 31, 2019 | Portland International Raceway, Portland, OR | IRL Indy Lights | Rinus van Kalmthout | |
| August 31, 2019 | Portland International Raceway, Portland, OR | USAC Stadium Super Trucks | Sheldon Creed | |
| August 31, 2019 | Portland International Raceway, Portland, OR | IRL USF2000 | Hunter McElrea | |
| August 31, 2019 | Portland International Raceway, Portland, OR | IRL Indy Pro 2000 | Kyle Kirkwood | |
| September 1, 2019 | Portland International Raceway, Portland, OR | IRL Indy Lights | Toby Sowery | |
| September 1, 2019 | Portland International Raceway, Portland, OR | USAC Stadium Super Trucks | Matthew Brabham | |
| September 1, 2019 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IRL Indy Car | Will Power |
| September 1, 2019 | Portland International Raceway, Portland, OR | IRL USF2000 | Hunter McElrea | |
| September 1, 2019 | Portland International Raceway, Portland, OR | IRL Indy Pro 2000 | Kyle Kirkwood | |
| September 11, 2021 | Portland 112 | Portland International Raceway, Portland, OR | ARCA West Series | Taylor Gray |
| September 11, 2021 | Portland International Raceway, Portland, OR | IRL Indy Lights | David Malukas | |
| September 12, 2021 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IRL Indy Car | Álex Palou Montalbo |
| September 12, 2021 | Portland International Raceway, Portland, OR | IRL Indy Lights | Kyle Kirkwood | |
| June 4, 2022 | Portland 112 | Portland International Raceway, Portland, OR | ARCA West Series | Jake Drew |
| June 4, 2022 | Pacific Office Automation 147 | Portland International Raceway, Portland, OR | NASCAR Xfinity Series | A.J. Allmendinger |
| September 2, 2022 | Portland International Raceway, Portland, OR | USAC USF2000 | Mac Clark | |
| September 2, 2022 | Portland International Raceway, Portland, OR | USAC USF2000 | Jace Denmark-Gessel | |
| September 2, 2022 | Portland International Raceway, Portland, OR | USAC Indy Pro 2000 | Reece Gold | |
| September 2, 2022 | Portland International Raceway, Portland, OR | USAC Indy Pro 2000 | Louis Foster | |
| September 3, 2022 | Portland International Raceway, Portland, OR | USAC USF2000 | Michael d'Orlando | |
| September 3, 2022 | Portland International Raceway, Portland, OR | USAC Indy Pro 2000 | Reece Gold | |
| September 3, 2022 | Portland 100 | Portland International Raceway, Portland, OR | ARCA West Series | Jake Drew |
| September 4, 2022 | Portland International Raceway, Portland, OR | IRL Indy Lights | Benjamin Pedersen | |
| September 4, 2022 | Grand Prix of Portland | Portland International Raceway, Portland, OR | IRL Indy Car | Scott McLaughlin |
| June 2, 2023 | Portland 112 | Portland International Raceway, Portland, OR | ARCA West Series | Landen Lewis |
| June 3, 2023 | Pacific Office Automation 147 | Portland International Raceway, Portland, OR | NASCAR Xfinity Series | Cole Custer |
| June 24, 2023 | Portland ePrix | Portland International Raceway, Portland, OR | FIA Formula E World Championship | Nick Cassidy |
| September 1, 2023 | Portland International Raceway, Portland, OR | USAC USF Pro 2000 | Francisco Porto | |
| September 1, 2023 | Portland International Raceway, Portland, OR | USAC USF2000 | Jacob Douglas | |
| September 2, 2023 | Portland International Raceway, Portland, OR | IRL Indy NXT | Louis Foster | |
| September 2, 2023 | Portland International Raceway, Portland, OR | USAC USF Pro 2000 | Michael d'Orlando | |
| September 2, 2023 | Portland International Raceway, Portland, OR | USAC USF2000 | Jacob Douglas | |
| September 3, 2023 | Portland International Raceway, Portland, OR | USAC USF Pro 2000 | Nikita Johnson | |
| September 3, 2023 | Portland International Raceway, Portland, OR | USAC USF2000 | Simon Sikes | |
| September 3, 2023 | Bitnile.com Grand Prix of Portland | Portland International Raceway, Portland, OR | IRL Indy Car | Álex Palou Montalbo |