| | 1988 | 4-Cycle Sprint Grand Nationals |
| | Phoenix Formula K Raceway | Phoenix, AZ |
| Finish | Driver | Hometown | Kart | Engine |
| | Duals |
| 1 | | Rick Sturgeon | Madera, CA | Emmick | Briggs |
| 2 | | Terry Ives | Citrus Heights, CA | Phoenix | Briggs |
| 3 | | Dicky Wilson | Barnesville, GA |
| 4 | | Ken Hageman | Tucson, AZ | Emmick | Briggs |
| 5 | | George Durdin | Elbert, CO | Proline | Honda |
| | Junior |
| 1 | | Jamie McMurray | Joplin, MO | Phoenix | Briggs |
| 2 | | Austin Cameron | El Cajon, CA |
| 3 | | Michael Mantel | Redondo Beach, CA |
| 4 | | Roger White | Salinas, CA | Emmick | Briggs |
| 5 | | Sara Senske | Kennewick, WA | Invader | Briggs |
| 6 | | Paul Underwood | Glendale, CA |
| 7 | | Russell McClelland | Rocky Comfort, MO |
| 8 | | Sarah Scarborough | Tucson, AZ |
| 9 | | Mark Ludwig | Euless, TX |
| | Junior II |
| 1 | | Gary Harper | Tulare, CA |
| 2 | | John Wilkinson III | Hueytown, AL |
| 3 | | Mike Clements, Jr. | Mesa, AZ | Emmick | Briggs |
| 4 | | David Start | Sacramento, CA | Emmick | Briggs |
| 5 | | Tommy Pierson | Covina, CA | Bug Spider | Briggs |
| 6 | | Kirk Richey | Butler, MO |
| 7 | | Jim Russell, Jr. | Lewawood, KS |
| 8 | | Lance Templeton | Covina, CA |
| 9 | | Richard Alten | Scottsdale, AZ |
| 10 | | Dustin Viz | Marshalltown, IA |
| | Limited Modified |
| 1 | | Mike Clements | Mesa, AZ | Emmick | Briggs |
| 2 | | Jeff Perry | Durham, NC |
| 3 | | Mitch Pierson | Covina, CA | Bug Spider | Briggs |
| 4 | | John Bush | Rialto, CA | Bug Spider | Briggs |
| 5 | | Ken Hageman | Tucson, AZ | Emmick | Briggs |
| 6 | | Dotti Buhr | Neosho, MO |
| 7 | | Keith Krenklis | Phoenix, AZ |
| | Open |
| 1 | | Mike Clements | Mesa, AZ | Emmick | Honda |
| 2 | | Jeff Clements | Gilbert, AZ | Proline | Tecumseh H50 |
| 3 | | Mitch Pierson | Covina, CA | Bug Spider | Briggs |
| 4 | | Kevin Clements | Gilbert, AZ | Emmick | Tecumseh H50 |
| 5 | | Ken Hageman | Tucson, AZ | Emmick | Briggs |
| | Senior Sportsman |
| 1 | | Dave Miller | Palm Desert, CA | Bug Spider | Briggs |
| 2 | | William Tahran | Acampo, CA |
| 3 | | Scott Clements | Mesa, AZ | Emmick | Tecumseh H50 |
| 4 | | Scotty Scovill | Kansas City, MO |
| 5 | | George Durdin | Elbert, CO | Proline | Honda |
| 6 | | Mike James | Fresno, CA |
| | Star |
| 1 | | Phil Luacra | Corvallis, OR |
| 2 | | Terry Ives | Citrus Heights, CA |
| 3 | | Roger Cathey | Spokane, WA |
| 4 | | Jim Petitti | Salem, OR |
| 5 | | Don Holmboe | Aloha, OR |
| 6 | | Chris Senske | Kennewick, WA |
| 7 | | Jeff Clements | Gilbert, AZ |
| 8 | | Mike Lidgard | Sheridan, OR |
| 9 | | Mark Bard | Salem, OR |
| 10 | | Robert Cathey | Spokane, WA |
| | Stock Heavy |
| 1 | | Dicky Wilson | Barnesville, GA |
| 2 | | Charles Alten | Scottsdale, AZ | Emmick | Briggs |
| 3 | | John Bush | Rialto, CA | Bug Spider | Briggs |
| 4 | | Jim Burle | Arcadia, CA | Bug Spider | Briggs |
| 5 | | Todd Schuck | Live Oak, CA | Emmick | Briggs |
| 6 | | Jeff Heroux | Diamond Bar, CA |
| 7 | | Ross Burd | Medford, OR |
| 8 | | Steve Smith | Moreno Valley, CA |
| 9 | | Glen Demming | Phoenix, AZ |
| 10 | | Scotty Scovill | Kansas City, MO |
| | Stock Light |
| 1 | | Richie Hearn | San Gabriel, CA | Bug Spider | Briggs |
| 2 | | Dave Miller | Palm Desert, CA | Bug Spider | Briggs |
| 3 | | Tim Perry | Durham, NC |
| 4 | | David Turk | Mason City, IA | Shadow | Briggs |
| 5 | | William Tahran | Acampo, CA |
| 6 | | Tina Harper | Tulare, CA |
| 7 | | Brent Hanna | Baker, LA |
| 8 | | Dotti Buhr | Neosho, MO |
| 9 | | Lonnie Stone | Glendale, CA |
| 10 | | Kevin Clements | Gilbert, AZ |
| | Stock Medium |
| 1 | | Richie Hearn | San Gabriel, CA | Bug Spider | Briggs |
| 2 | | Mack McCormack | Athens, AL | Margay | Briggs |
| 3 | | Stan Hutson | McDonough, GA | Coyote | Briggs |
| 4 | | David Turk | Mason City, IA | Shadow | Briggs |
| 5 | | Keith Krenklis | Phoenix, AZ | Margay | Briggs |
| 6 | | Timmy Perry | Durham, NC |
| 7 | | Rick Sturgeon | Madera, CA |
| 8 | | Steve Smith | Carencro, LA |
| 9 | | Mona Sturgeon | Madera, CA |
| 10 | | Mike James | Fresno, CA |
| | Super Stock |
| 1 | | Mack McCormack | Athens, AL | Margay | Briggs |
| 2 | | Jeff Perry | Durham, NC |
| 3 | | Jackie Harrison | Athens, TN |
| 4 | | Scott Clements | Gilbert, AZ | Emmick | Briggs |
| 5 | | Dave Miller | Palm Desert, CA | Bug Spider | Briggs |
| 6 | | Bill Henry | Tempe, AZ |