Thunderhill Raceway Track Champions
IMCA Modifieds
| Year | Champion(s) |
| 2008 | "Felix" Todd Dart |
| 2007 | Benji LaCrosse |
| 2006 | Jared Siefert |
| 2005 | "Felix" Todd Dart |
| 2004 | Jeremy Jacobs |
| 2003 | "Felix" Todd Dart |
| 2002 | Jared Siefert |
| 2001 | "Felix" Todd Dart |
| 2000 | "Felix" Todd Dart & Randie Back |
| 1999 | George Henkel |
| 1998 | "Felix" Todd Dart |
| 1997 | Eugene Gregorich |
| 1996 | Eugene Gregorich |
| 1995 | Eugene Gregorich |
| 1994 | Eugene Gregorich |
| 1993 | Darrell Massart |
IMCA Stock Cars
| Year | Champion(s) |
| 2008 | Matt Junio |
| 2007 | Matt Junio |
| 2006 | Eugene Gregorich |
| 2005 | Shawn Kilgore |
| 2004 | Craig Paque |
| 2003 | Shawn Kilgore |
| 2002 | Craig Paque |
| 2001 | Craig Paque |
| 2000 | Benji LaCrosse |
| 1999 | Larry Karcz, Jr. |
| 1998 | "Hot" Rod Snellenberger |
| 1997 | Sean Jerovetz |
| 1996 | Rob Waechter |
| 1995 | Jerry Wenzel |
| 1994 | "Chargin" Charlie Kroll |
| 1993 | John Gregorich |
Street Stocks
| Year | Champion(s) |
| 2008 | John Sternard |
| 2007 | Scott Reinhardt |
| 2006 | Von Eytcheson |
| 2005 | Von Eytcheson & Mike Pierrard |
| 2004 | Aaron Thornton |
| 2003 | Troy Muench |
| 2002 | "Revin" Kevin Sternard |
| 2001 | Gregg Siebold |
| 2000 | Gregg Siebold |
| 1999 | Bernie Reinhardt |
| 1998 | Phil Faustini |
| 1997 | Shawn Olson |
| 1996 | Gregg Siebold |
| 1995 | Dave Bouche |
| 1994 | Rick Lemmens |
| 1993 | Jason Geyer |
IMCA Hobby Stocks
| Year | Champion(s) |
| 2008 | Dave DeGrave |
| 2007 | Keith Kickbusch |
| 2006 | Keith Kickbusch |
| 2005 | "The Eagle" Eddie Anschutz |
| 2004 | "The Eagle" Eddie Anschutz |
| 2003 | Joe Hegnet |
Bombers
| Year | Champion(s) |
| 2008 | Not Run |
| 2007 | Dan "The Man" Merkle |
| 2006 | Dan "The Man" Merkle |
| 2005 | Dan "The Man" Merkle |
| 2004 | Not Run |
| 2003 | Not Run |
| 2002 | Scott Reinhardt |
| 2001 | Jeremy Wiitala |
| 2000 | Greg Soukup |
| 1999 | Jay Naze |
| 1998 | Jay Naze |
| 1997 | Kevin Jandrin |
| 1996 | Aaron Thornton |
| 1995 | Rick LeMieux |
| 1994 | Bernie Reinhardt |
| 1993 | Joe LeBotte |
IMCA Northern Sport Mods
| Year | Champion(s) |
| 2008 | Jeff "Pepe" Vlies |
| 2007 | Jeff DuBois |
4 Cylinders
| Year | Champion(s) |
| 2008 | Tony Everard |
| 2007 | Tony Everard |
| 2006 | Tony Everard |
| 2005 | Tyler Smith |
| 2004 | Kenny Malcore |
| 2003 | Kenny Malcore |
Special thank you to Dave Panske for the Door County Speedway statistics.
