| Date | Hornets | Cruisers | Trucks | IMCA Hobby Stocks | Notes |
| 4/26/2003 | Moore/Krug | Stan Riedel | Randy Hadacek | ||
| 5/3/2003 | Justin Birkhofer | Moore/Krug | Stan Riedel | Chad Gentz | |
| 5/10/2003 | rain | ||||
| 5/17/2003 | Justin Birkhofer | Moore/Krug | Scott Wright | Dan Haugland | |
| 5/24/2003 | Greg Birkhofer | Meyer & Kajewski | Jim Carrigan Jr | Calvin Lange | |
| 5/31/2003 | Jarvis Jutting | Moore/Krug | Mark Langfald | Dan Haugland | |
| 6/7/2003 | rain | ||||
| 6/14/2003 | Jason Otto | Moore/Krug | Randy Watnem | Calvin Lange | Mid season championship |
| 6/21/2003 | Chuck Doocy | Titus/Wegner | Jim Carrigan Jr | Calvin Lange | |
| 6/28/2003 | Justin Birkhofer | Jahnke/Parsons | Jim Carrigan Jr | Clint Jensen | |
| 7/5/2003 | Justin Birkhofer | Moore/Krug | Jim Carrigan Jr | Chad Palmer | |
| 7/12/2003 | Jason Otto | Jahnke/Parsons | Jim Carrigan Jr | Dan Haugland | |
| 7/19/2003 | Chuck Doocy | Titus/Wegner | Jim Carrigan Jr | Dan Haugland | |
| 7/26/2003 | Justin Birkhofer | Titus/Wegner | Dan Haugland | ||
| 8/2/2003 | Greg Birkhofer | Jahnke/Parsons | Robert Rognes | Stac Schroeder | Fair |
| 8/9/2003 | Greg Birkhofer | Leners/Dady Jr | Jim Carrigan Jr | Calvin Lange | |
| 8/16/2003 | Greg Birkhofer | Germundson/Germundson | Mark Langfald | John Madson | Miller shootout winner Kevin Opheim |
| 8/23/2003 | Justin Birkhofer | Moore/Krug | Stan Riedel | Dan Haugland | Season Championship |
| 8/29/2003 | Greg Birkhofer | Germundson/Germundson | Jim Carrigan Jr | Stac Schroeder | Schattschneider Memorial |
| 8/30/2003 | Greg Birkhofer | Moore/Krug | Randy Watnem | Stac Schroeder | Schattschneider Memorial |
| Champions | Justin Birkhofer | Moore/Krug | Randy Watnem | Calvin Lange |
| Date | 360 Modifieds | IMCA Stock Cars | Modifieds | Notes |
| 4/26/2003 | Todd Hanson | Jeff Neilsen | Adam Larson | |
| 5/3/2003 | Bruce Wickman | Dick Manske | Denny Anderson | |
| 5/10/2003 | ||||
| 5/17/2003 | Scott Manske | Cory Oftedahl | Denny Anderson | |
| 5/24/2003 | Jake Simpson | Rob Hughes | Ryan Ruter | |
| 5/31/2003 | Jake Simpson | Rob Hughes | Pat Graham | |
| 6/7/2003 | ||||
| 6/14/2003 | Todd Hanson | Rob Hughes | Jeremy Mills | Mid season championship |
| 6/21/2003 | Clint Wendell | Jeff Dolphin | Jeff Feaster | |
| 6/28/2003 | Todd Hanson | Travis Hoeft | Brad Bakken | |
| 7/5/2003 | Kurt Knoner | Christ Frerichs | Jeremy Mills | |
| 7/12/2003 | Shawn Plymesser | Rob Hughes | Jeremy Mills | |
| 7/19/2003 | Jake Simpson | Jeff Dolphin | Ron Pope | |
| 7/26/2003 | Todd Hanson | Jeff Nielsen | Adam Larson | |
| 8/2/2003 | Bruce Wickman | Jeff Dolphin | Kevin Stoa | Fair |
| 8/9/2003 | Todd Hanson | Dan Brugman | Kevin Stoa | |
| 8/16/2003 | Bruce Wickman | Ryan Watnem | Jeremy Mills | Miller shootout winner Kevin Opheim |
| 8/23/2003 | Scott Manske | Jeff Nielsen | Kevin Stoa | Season Championship |
| 8/29/2003 | Scott Manske | Jared Dirks | Ron Pope | Schattschneider Memorial |
| 8/30/2003 | Todd Hanson | Jeff Nielsen | Jay Noteboom | Schattschneider Memorial |
| Champions | Jake Simpson | Jeff Nielsen | Jeremy Mills | Season Champions |
