| | 1964 | Enduro Grand Nationals |
| | Riverside International Raceway | Riverside, CA |
| Finish | Driver | Hometown | Kart | Engine |
| | A Standard Heavy |
| 1 | | Gary Hartman | Glendale, CA |
| 2 | | Skip Keene | Salem, OR |
| 3 | | Larry Eyerly | Salem, OR |
| 4 | | Dey Hanley | Santa Ana, CA |
| 5 | | Robert Burgen | Portland, OR |
| | A Standard Jr. |
| 1 | | Mark Harrington | Dallas, TX |
| 2 | | Gary Johnson | North Highlands, CA |
| 3 | | Bill Woolard, Jr. | Inglewood, CA |
| 4 | | Jerry Patrick | Riverside, CA |
| 5 | | Larry Elliget | Spring Valley, CA |
| | A Standard Light |
| 1 | | Frank Barton | Boulder, CO |
| | A Super Heavy |
| 1 | | Ronnie Davis | Shreveport, LA |
| | A Super Jr. |
| 1 | | Ken Breyer | Littleton, CO |
| 2 | | Trace Lyon | Pasadena, CA |
| 3 | | Lee Routledge | Topeka, KS |
| 4 | | Mark Harrington | Dallas, TX |
| 5 | | Mike Dawson | Santa Ana, CA |
| | A Super Light |
| 1 | | Willie Nunez | El Paso, TX |
| 2 | | Gary Hartman | Glendale, CA |
| 3 | | Jack Sabine | Westminster, CA |
| 4 | | Dave Henry |
| 5 | | Chuck Powell | San Gabriel, CA |
| | B Limited |
| 1 | | Bob Petruzzi | Redwood City, CA |
| 2 | | Ken Fox | Downers Grove, IL |
| 3 | | Bob Berry | Buffalo Grove, IL |
| 4 | | Dalton Long | Portland, OR |
| 5 | | Jim Mason | Brookfield, WI |
| | B Open |
| 1 | | Tex Bell | Rosemead, CA |
| 2 | | Bob Dill | Redondo Beach, CA |
| 3 | | Ron Schmidt | New Westminster, B.C., Canada |
| 4 | | Bob Petruzzi | Redwood City, CA |
| 5 | | Doug Lueck | Victorville, CA |
| | B Standard |
| 1 | | Dick Eimers | Santa Ana, CA |
| 2 | | Dennis Stortz | Salem, OR |
| 3 | | Ed Kistler | Colton, CA |
| 4 | | Charles Walker | Riverside, CA |
| 5 | | Lyle Lahr |
| | C Open |
| 1 | | Dick Conners | Lancaster, CA |
| 2 | | Ken Fox | Downers Grove, IL |
| 3 | | Don Faust | Colton, CA |
| 4 | | Jack Dorian | San Bruno, CA |
| 5 | | Dick Biargo | Arlington Heights, IL |