| | 1981 | Sprint Grand Nationals |
| | Jackson County Sports Park | Medford, OR |
| Finish | Driver | Hometown | Kart | Engine |
| | 100cc Stock Heavy |
| 1 | | Marc Zartarian |
| 2 | | Mike Hood | Oildale, CA |
| 3 | | Kevin Miraglio |
| 4 | | Dennis Hall |
| 5 | | Jeff Thompson |
| 6 | | Jeff Olson |
| 7 | | Stan Hansen |
| 8 | | Ray Bobo | San Rafael, CA |
| 9 | | Bill Arbuckle |
| 10 | | Dan Larson | Oregon |
| | 100cc Stock Light |
| 1 | | Fred Cordano |
| 2 | | John Meters |
| 3 | | Dan Hodapp | Seattle, WA |
| 4 | | Bill Arbuckle |
| 5 | | Stan Hansen |
| 6 | | Steve Olson |
| 7 | | Mike Hood | Oildale, CA |
| 8 | | Burt Gasaway |
| 9 | | Robert Payan |
| 10 | | Jeff Thompson |
| | 100cc Super Stock Heavy |
| 1 | | William Yarbrough |
| 2 | | Kevin Miraglio |
| 3 | | Dick Florey | Central, OR |
| 4 | | Mark Foster |
| 5 | | Shannon Rogers |
| 6 | | Mike Manning | California |
| 7 | | David Batchelor |
| 8 | | Marc Zartarian |
| 9 | | Tom Highfield |
| 10 | | Steve Hamilton |
| | 100cc Super Stock Light |
| 1 | | Phil Pfau |
| 2 | | Kevin Miraglio |
| 3 | | Vince Puleo | California |
| 4 | | Shannon Rogers |
| 5 | | John Pizarro |
| 6 | | Dan Hodapp | Seattle, WA |
| 7 | | Tom Highfield |
| 8 | | William Yarbrough |
| 9 | | Jeff Olson |
| 10 | | Mike Manning | California |
| | Amateur Sportsman |
| 1 | | Greg Stencil |
| 2 | | Kim Craft |
| 3 | | Bruce Guimarra |
| 4 | | Bruce Sarver |
| 5 | | Charles Leavitt | Fresno, CA |
| 6 | | Bob Schwindler |
| 7 | | Gary Klipfel | Stockton, CA |
| 8 | | Dennis Nakano |
| 9 | | Ed Irving |
| 10 | | Dan Short, Jr. |
| | Expert I |
| 1 | | Scott Pruett | Roseville, CA |
| 2 | | Scott Sellergren | Illinois |
| 3 | | Kevin Miraglio |
| 4 | | Phil Pfau |
| 5 | | George Ito | Ventura, CA |
| 6 | | Shannon Rogers |
| 7 | | Mike Ray |
| 8 | | Rip Ross |
| 9 | | Ron Emmick | Sacramento, CA |
| 10 | | Stan Hansen |
| 11 | | Craig Stillson |
| 12 | | Tony Adkins | Rowland Heights, CA |
| 13 | | Jerry Strawn | Oregon |
| 14 | | Brian Rummler | Garden Grove, CA |
| | Expert II |
| 1 | | Jeff Nelson | Santa Clara, CA |
| 2 | | Kyle Adkins | Rowland Heights, CA |
| 3 | | Scott Sellergren | Illinois |
| 4 | | Doug Cressi | New York |
| 5 | | Mike Clinger |
| 6 | | Rocky Buff | Pico Rivera, CA |
| 7 | | Mark Foster |
| 8 | | Leroy Wilkerson | Conroe, TX |
| 9 | | Joe Girosky | Oregon |
| 10 | | Hiroshi Tao |
| | Expert III |
| 1 | | Jeff Nelson | Santa Clara, CA |
| 2 | | Kyle Adkins | Rowland Heights, CA |
| 3 | | Tom Hunter, Jr. | Hawthorne, CA |
| 4 | | Adam Thompson | Ft. Worth, TX |
| 5 | | John Pizarro |
| 6 | | Dave Lehmann | Tacoma, WA |
| 7 | | Doug Cressi | New York |
| 8 | | John Hesselgrave |
| 9 | | Rocky Buff | Pico Rivera, CA |
| 10 | | Leroy Wilkerson | Conroe, TX |
| | Expert IV |
| 1 | | Ron Emmick | Sacramento, CA |
| 2 | | Scott Pruett | Roseville, CA |
| 3 | | Glenn Araki | Fresno, CA |
| 4 | | Ted Lewis |
| 5 | | George Ito | Ventura, CA |
| 6 | | Rex Hayes, Jr. | Tacoma, WA |
| 7 | | Robby Carradine |
| 8 | | Bill Eimstad |
| 9 | | Brian Schaeffer | Bakersfield, CA |
| 10 | | Bill Ross | Washington |
| | Expert V |
| 1 | | Scott Pruett | Roseville, CA |
| 2 | | George Ito | Ventura, CA |
| 3 | | Bill Eimstad |
| 4 | | Glenn Araki | Fresno, CA |
| 5 | | Joe Girosky | Oregon |
| 6 | | Brian Schaeffer | Bakersfield, CA |
| 7 | | Robert Huston |
| 8 | | James Miller | Spring Valley, CA |
| 9 | | Donald Joe |
| 10 | | Bill Ross | Washington |
| | Junior I |
| 1 | | Doug Lierle |
| 2 | | Darin Mims |
| 3 | | Lee Hatch | California |
| 4 | | Tom Weninger | Vallejo, CA |
| 5 | | Rod Tull | Ontario, CA |
| 6 | | Jim Arbuckle |
| 7 | | Ernesto Jochomowitz |
| 8 | | Scott Winters |
| 9 | | Craig Riley |
| 10 | | Connie Boggero |
| | Junior II |
| 1 | | Doug Lierle |
| 2 | | Kurt Burris | Fountain Valley, CA |
| 3 | | Jeff Leavitt | Fresno, CA |
| 4 | | Rod Tull | Ontario, CA |
| 5 | | Brett Bell | Vallejo, CA |
| 6 | | Richie Hart | Yakima, WA |
| 7 | | Tom Weninger | Vallejo, CA |
| 8 | | John LeRouge |
| 9 | | Matt Melby |
| 10 | | Darin Mims |
| | Junior III |
| 1 | | Brett Bell | Vallejo, CA |
| 2 | | Matt Melby |
| 3 | | Rod Tull | Ontario, CA |
| 4 | | Kurt Burris | Fountain Valley, CA |
| 5 | | Tom Weninger | Vallejo, CA |
| 6 | | Lee Hatch | California |
| 7 | | Matt Reed | Bakersfield, CA |
| 8 | | Ernesto Jochomowitz |
| 9 | | Jimmy Walker |
| 10 | | Todd Crosby |
| | Rookie Jr. |
| 1 | | Brett Potter |
| 2 | | Tim King |
| 3 | | Jerod Shelby |
| 4 | | Sal Noto | New York |
| 5 | | Milo Schoonover |
| 6 | | Mike Berg |
| 7 | | Alessio Boggero |
| 8 | | David Surabian |
| 9 | | Derek Burris | Fountain Valley, CA |
| 10 | | Marc Winkleman |