Road America
| 2023 | Josh Herrin |
| 2022 | Danilo Petrucci |
| 2021 | Jake Gagne |
| 2020 | Cameron Beaubier |
| 2020 | Bobby Fong |
| 2019 | Cameron Beaubier |
| 2018 | Cameron Beaubier |
| 2017 | Toni Elias |
| 2016 | Cameron Beaubier |
| 2015 | Cameron Beaubier |
| 2014 | Joshua K Hayes |
| 2013 | Joshua K Hayes |
| 2012 | Joshua K Hayes |
| 2011 | Joshua K Hayes |
| 2010 | Tommy Hayden |
| 2009 | Mat Mladin |
| 2008 | Ben Spies |
| 2007 | Ben Spies |
| 2006 | Mat Mladin |
| 2005 | Mat Mladin |
| 2004 | Miguel Duhamel |
| 2003 | Mat Mladin |
| 2002 | Miguel Duhamel |
| 2001 | Anthony Gobert |
| 2000 | Nicky Hayden |
| 1999 | Anthony Gobert |
| 1998 | Anthony Gobert |
| 1997 | Mat Mladin |
| 1996 | Alessandro Gramigni |
| 1995 | Miguel Duhamel |
| 1994 | Pascal Picotte |
| 1993 | Doug Polen |
| 1992 | Jamie James |
| 1991 | Jamie James |
| 1990 | Doug Chandler |
| 1989 | Richard Arnaiz |
| 1988 | Doug Polen |
| 1987 | Kevin Schwantz |
Team
| 2023 | Warhorse HSBK Racing Ducati |
| 2022 | Warhorse HSBK Racing Ducati NYC |
| 2021 | Fresh N’ Lean Attack Perf Yamaha |
| 2020 | Monster Energy Attack Perf Yamaha |
| 2020 | M4 ECSTAR Suzuki |
| 2019 | Monster Energy Yamaha Factory Racing |
| 2018 | Monster Energy Yamaha Factory Racing |
| 2017 | Yoshimura Suzuki Factory Racing |
| 2016 | Monster Energy Graves Yamaha |
| 2015 | Monster Energy Graves Yamaha |
| 2014 | Monster Energy Graves Yamaha |
| 2013 | Monster Energy Graves Yamaha |
| 2012 | Monster Energy Graves Yamaha |
| 2011 | Monster Energy Graves Yamaha |
| 2010 | Rockstar Makita American Suzuki |
| 2009 | Rockstar Makita American Suzuki |
| 2008 | Rockstar Makita American Suzuki |
| 2007 | American Suzuki Yoshimura US |
| 2006 | American Suzuki Yoshimura US |
| 2005 | American Suzuki Yoshimura US |
| 2004 | American Honda |
| 2003 | Yoshimura American Suzuki |
| 2002 | American Honda |
| 2001 | Yamaha Motor Corporation |
| 2000 | American Honda |
| 1999 | Vance & Hines Ducati |
| 1998 | Vance & Hines Ducati |
| 1997 | Fast by Ferracci |
| 1996 | Fast by Ferracci |
| 1995 | Smokin’ Joe’s Honda Racing |
| 1994 | Fast by Ferracci |
| 1993 | Fast by Ferracci |
| 1992 | Yamaha Motor Corporation |
| 1991 | Yamaha Motor Corporation |
| 1990 | Team Muzzy Kawasaki |
| 1989 | |
| 1988 | |
| 1987 | Team Yoshimura Suzuki |
Qualifying
| 2023 | 2:09.111 | Josh Herrin |
| 2022 | 2:10.617 | Jake Gagne |
| 2021 | 2:10.529 | Jake Gagne |
| 2020 | 2:11.776 | Cameron Beaubier |
| 2020 | 2:10.623 | Cameron Beaubier |
| 2019 | 2:30.992 | Toni Elias |
| 2018 | 2:11.422 | Cameron Beaubier |
| 2017 | 2:12.864 | Roger Hayden |
| 2016 | 2:30.734 | Joshua K Hayes |
| 2015 | 2:31.079 | Joshua K Hayes |
| 2014 | 2:12.757 | Cameron Beaubier |
| 2013 | 2:13.355 | Joshua K Hayes |
| 2012 | Joshua K Hayes | |
| 2011 | 2:11.913 | Joshua K Hayes |
| 2010 | 2:13.121 | Joshua K Hayes |
| 2009 | 2:13.218 | Mat Maldin |
| 2008 | 2:12.260 | Ben Spies |
| 2007 | 2:11.541 | Mat Maldin |
| 2006 | 2:11.970 | Mat Maldin |
| 2005 | 2:12.554 | Mat Maldin |
| 2004 | 2:13.346 | Miguel Duhamel |
| 2003 | 2:15.159 | Mat Maldin |
| 2002 | ||
| 2001 | 2:09.068 | Mat Maldin |
| 2000 | ||
| 1999 | ||
| 1998 | ||
| 1997 | 2:11.630 | Miguel Duhamel |
| 1996 | 2:12.744 | Larry Pegram |
| 1995 | 2:12.318 | Mike Hale |
| 1994 | 2:15.993 | Pascal Picotte |
| 1993 | 2:17.392 | Colin Edwards |
| 1992 | 2:16.666 | Scott Russell |
| 1991 | 2:18.523 | Scott Russell |
| 1990 | Doug Chandler | |
| 1989 | David Sadowski | |
| 1988 | Doug Polen | |
| 1987 | Kevin Schwantz |
