| | 1986 | Roadracing Grand Nationals |
| | Portland International Raceway | Portland, OR |
| Finish | Driver | Hometown | Kart | Engine |
| | 100cc Open / FKE I |
| 1 | | Sheldon Orr | Vancouver, BC, Canada | Hegar | Corsair |
| 2 | | Ric Lindsay | Oklahoma City, OK | Invader | Komet |
| 3 | | David Piatt, Sr. | Oklahoma City, OK |
| 4 | | John Roach III | Carlsbad, CA | Lump | Corsair |
| 5 | | Dennis Cobb | Bethany, OR |
| 6 | | Toby Stokoe | Gresham, OR |
| 7 | | Jim Modoff | Garden Grove, CA |
| 8 | | Wilson Winn | Springdale, AR |
| 9 | | Donald Nuckolls | Burdett, KS |
| 10 | | Wayne Brown | Dallas, TX |
| | 100cc Stock |
| 1 | | Tom Nields | Monrovia, CA | Proline | PCR |
| 2 | | Donald Shalla | Sacramento, CA | Emmick | DAP |
| 3 | | John Baird | Fresno, CA | M&2 Eng. | Komet |
| 4 | | Jeff Nelson | San Jose, CA | Invader | PRC |
| 5 | | Earl Neff | Wenatchee, WA | Invader | DAP |
| 6 | | Phil Kirby | Greenwood, MO |
| 7 | | James Boscone | Sherwood, OR |
| 8 | | Rich Norris | Bothell, WA |
| 9 | | Scott Beaudion | Vancouver, WA |
| 10 | | Brian Bass | Pomona, CA |
| | 100cc Stock Appearing Heavy |
| 1 | | Terry Hegar | Milwaukie, OR | Hegar | Komet |
| 2 | | Jim Russell | Grandview, MO | Coyote | Komet |
| 3 | | Earl Neff | Wenatchee, WA | Invader | DAP |
| 4 | | Ric Lindsay | Oklahoma City, OK | Invader | Komet |
| 5 | | Wayne Brown | Dallas, TX | Motive Systems | Komet |
| 6 | | Ron Welshons | Richmond Beach, WA |
| 7 | | Brian Bass | Pomona, CA |
| 8 | | George Clifton | Seattle, WA |
| 9 | | Don Meyerling | Redlands, CA |
| 10 | | Peter Kintner | Seattle, WA |
| | 100cc Stock Appearing Light |
| 1 | | Terry Hegar | Milwaukie, OR | Hegar | Komet |
| 2 | | John Baird | Fresno, CA | M&2 Eng. | Komet |
| 3 | | Ron Welshons | Richmond Beach, WA |
| 4 | | Ric Lindsay | Oklahoma City, OK | Invader | Komet |
| 5 | | Ernie Johnson | Shelton, WA |
| 6 | | Ric Turner | Seattle, WA |
| 7 | | Dennis Hartelius | Lafayette, CA |
| 8 | | Scott Beaudion | Vancouver, WA |
| 9 | | Peter Kintner | Seattle, WA |
| 10 | | Mike McAndrews | Huntington Beach, CA |
| | 125cc Gearbox |
| 1 | | Keith Jarrell | Litchfield Park, AZ | Proline | Rotax |
| 2 | | Gary LaPoint | Woodburn, OR | Phoenix | Rotax |
| 3 | | Roger Storm | Portland, OR | Invader | Honda |
| 4 | | Richard Holmboe | Portland, OR |
| 5 | | John Fuji | Thousand Oaks, CA | Zip | Rotax |
| 6 | | Ron Schmidt | Golden, CO |
| 7 | | Harry Musil | Delta, B.C., Canada |
| 8 | | Darryl Watts | Los Angeles, CA |
| 9 | | Tony Rodrigues | Toluca Lake, CA |
| 10 | | Jack Strehl | Sausalito, CA |
| | 135cc RV |
| 1 | | Bill Shields | Portland, OR | BS-1 | Komet |
| 2 | | Mitch Thieman | Portland, OR | Motive Systems | Komet |
| 3 | | Terry Hegar | Milwaukie, OR | Hegar | Komet |
| 4 | | Dennis Cobb | Bethany, OR |
| 5 | | Mike Doughty | Petaluma, CA | Invader | Komet |
| 6 | | Dennis Hartelius | Lafayette, CA |
| 7 | | George Mack | Inglewood, CA |
| 8 | | Steve Fueston | Colorado Springs, CO |
| 9 | | LeRoy Christenson | Sugarland, TX |
| 10 | | Jan Yost | Portland, OR |
| | 150cc Open / FKE II |
| 1 | | Terry Ives | Citrus Heights, CA |
| 2 | | Mike Gent | Aurora, OR |
| 3 | | Jim Hall II | Ventura, CA |
| 4 | | Dennis Enochs | Fresno, CA |
| 5 | | David Piatt, Sr. | Oklahoma City, OK |
| 6 | | Paul McGraw | Vancouver, WA | Bug | Yamaha |
| 7 | | Leo Giroski | Portland, OR |
| 8 | | Roger Storm | Portland, OR |
| 9 | | Ken Tarlow | Ventura, CA |
| 10 | | Toby Stokoe | Gresham, OR |
| | 200cc Stock |
| 1 | | David Richey | Camarillo, CA | Self-made | Yamaha |
| 2 | | Dave Clark | Hacienda Heights, CA | Hartman | TKM |
| 3 | | Bryan Araki | Clovis, CA | Emmick | TKM |
| 4 | | Jeff Thompson | Fair Oaks, CA | Millinium | Yamaha |
| 5 | | Dean Quarterly | Orange, CA |
| 6 | | Mike Speed | San Jose, CA |
| 7 | | Scott Kuntze | Covina, CA |
| 8 | | Tim Doll | Everett, WA |
| 9 | | Luckie Kousmanen | Burnaby, B.C., Canda |
| 10 | | Greg Krolicki | Vancouver, WA |
| | 200cc Super Stock |
| 1 | | Joe Girosky | Portland, OR | Emmick | TKM |
| 2 | | Glenn Araki | Clovis, CA | Emmick | PCR |
| 3 | | Don Holmboe | Portland, OR |
| 4 | | David Richey | Camarillo, CA | Self made | Parilla |
| 5 | | Dave Clark | Hacienda Heights, CA | Hartman | TKM |
| 6 | | James Boscone | Sherwood, OR |
| 7 | | Rick Musil | Delta, B.C., Canada |
| 8 | | Luckie Kousmanen | Burnaby, B.C., Canda |
| 9 | | Anthony Vanni | Los Altos, CA |
| 10 | | Steve Dunham | San Luis Obispo, CA |
| | 250cc Gearbox |
| 1 | | Larry Kurpiewski | Boise, ID | Invader | Rotax |
| 2 | | Gary LaPoint | Woodburn, OR | Zip | Rotax |
| 3 | | Dale Thompson | San Jose, CA | Stratos | Rotax |
| 4 | | Dirk Vancott | Santa Maria, CA |
| 5 | | Rodney Mangus | Orlinda, CA |
| 6 | | Tom Kistler | Anaheim, CA |
| 7 | | Ed Leach | Ladner, B.C., Canada |
| 8 | | Greg McWeeney | Bellevie, WA |
| 9 | | Brad Calder | Garden Grove, CA |
| 10 | | Rus Dyer | Milwaukie, OR |
| | 300cc Open / FKE III |
| 1 | | Dan Meray | Newport Beach, CA | Zip | Rotax |
| 2 | | Gary LaPoint | Woodburn, OR | Zip | Rotax |
| 3 | | Jeff Nelson | San Jose, CA | Invader | Parilla |
| 4 | | Tom Kistler | Anaheim, CA |
| 5 | | Curt Folley | Portland, OR |
| 6 | | Luckie Kousmanen | Burnaby, B.C., Canda |
| 7 | | Thomas Ross | Boise, ID |
| 8 | | Steve Fenzel | Boise, ID |
| 9 | | Anthony Vanni | Los Altos, CA |
| 10 | | Gene Moon | Seattle, WA |
| | A-Limited |
| 1 | | Mark Foster | Portland, OR | Motive Systems | Yamaha |
| 2 | | Wayne Brown | Dallas, TX | Motive Systems | Yamaha |
| 3 | | Andy Cox | Vancouver, WA |
| 4 | | Ric Lindsay | Oklahoma City, OK | Invader | Yamaha |
| 5 | | Andrew Kolman | Spokane, WA |
| 6 | | Harold Denson | Junction City, OR |
| 7 | | Gary Peterson | Seattle, WA |
| 8 | | Jerry Daniel | Richardson, TX |
| 9 | | Doug Lierle | Northridge, CA |
| 10 | | Jon Revord | Lake Stevens, WA |
| | Piston Valve Expert |
| 1 | | Tom Nields | Monrovia, CA | Proline | TKM |
| 2 | | Bill Madden | Rowland Heights, CA | Proline | TKM |
| 3 | | Adam Schaechter | Santa Clara, CA | Motive Systems | TKM |
| 4 | | Tim Moser | Palo Alto, CA | Motive Systems | TKM |
| 5 | | Otto Stiefel | Redondo Beach, CA | IKS Banzai | TKM |
| 6 | | P.J. Jones | Rolling Hills, CA |
| 7 | | Jon Revord | Lake Stevens, WA |
| 8 | | Andy Cox | Vancouver, WA |
| 9 | | Dave Lehmann | Tacoma, WA |
| 10 | | Joe Hovorka | Felton, CA |
| | Piston Valve Heavy |
| 1 | | Mark Foster | Portland, OR | Motive Systems | TKM BT-82 |
| 2 | | Kelley Coons | Paso Robles, CA |
| 3 | | Dan Reed | Woodburn, OR |
| 4 | | Bill Madden | Rowland Heights, CA | Proline | TKM |
| 5 | | Darin Duccolon | Tacoma, WA |
| 6 | | Mike Dickenson | Menlow Park, CA |
| 7 | | Keith Peal | Vancouver, WA |
| 8 | | David Batchelor | Long Beach, CA |
| 9 | | John Kolman | Bozeman, MT |
| 10 | | James Pettit | Walnut Creek, CA |
| | Piston Valve Light |
| 1 | | Peter Lane | Lompoc, CA | Motive Systems | Yamaha |
| 2 | | Darin Duccolon | Tacoma, WA |
| 3 | | P.J. Jones | Rolling Hills, CA | Proline | TKM |
| 4 | | James Kolman | Kent, WA |
| 5 | | Eric Giroski | Portland, OR | Van K | Yamaha |
| 6 | | Gerry Glenn | Northridge, CA |
| 7 | | Sam Goldsmith | Barstow, CA |
| 8 | | Dennis Bray | Barstow, CA |
| 9 | | Bill Meyn | Pomona, CA |
| 10 | | Bill Reese | Lynnwood, WA |
| | Sprint Amateur Sit-Up |
| 1 | | Lee Hatch | Covina, CA | Proline | TKM |
| 1 | | Rob Davis | Sonora, CA | Emmick | DAP |
| 3 | | David Clift | Lacey, WA | Emmick | Yamaha |
| 4 | | P.J. Jones | Rolling Hills, CA | Emmick | TKM |
| 5 | | Art Laski, Jr. | San Pedro, CA | Margay | Yamaha |
| 6 | | Steve Kaluza | Portland, OR |
| 7 | | Billy Fetterman | Beaverton, OR |
| 8 | | Michikazu Tao | Castro Valley, CA |
| 9 | | Jim English | Nipomo, CA |
| 10 | | Mike Hall | Oxnard, CA |
| 1 | | Dennis Hall | Puyallup, WA | Emmick | Komet |
| 2 | | Rob Davis | Sonora, CA | Emmick | Corsair |
| 3 | | David Clift | Lacey, WA | Emmick | Yamaha |
| 4 | | Dennis Zimmerly | Richfield, WA |
| 5 | | Joe Granatelli | Woodland Hills, CA |
| 6 | | Mike Hall | Oxnard, CA |
| 7 | | Michael Collins | Tacoma, WA |
| 8 | | Billy Fetterman | Beaverton, OR |
| 9 | | Rick Jerome | Sparks, NV |
| 10 | | Phil Pfau | Vancouver, WA |
| | Yamaha KT 100S Sit-Up |
| 1 | | David Clift | Lacey, WA | Emmick Star | Yamaha |
| 2 | | Mike Manning | Northridge, CA |
| 3 | | Joe Granatelli | Woodland Hills, CA |
| 4 | | Jeff Hayward | Tacoma, WA | Emmick | Yamaha |
| 5 | | Dennis Hall | Puyallup, WA | Emmick | Yamaha |
| 6 | | Glenn Araki | Clovis, CA | Emmick | Yamaha |
| 7 | | Bill Clemans | Redmond, WA |
| 8 | | P.J. Jones | Rolling Hills, CA |
| 9 | | Art Laski, Jr. | San Pedro, CA |
| 10 | | Phil Pfau | Vancouver, WA |
| | Yamaha KT100S Stock |
| 1 | | Peter Lane | Lompoc, CA | Motive Systems | Yamaha |
| 2 | | Mark Foster | Portland, OR | Motive Systems | Yamaha |
| 3 | | Mike Dickenson | Menlow Park, CA | Emmick | Yamaha |
| 4 | | Dave Ducolon | Steilacomm, WA |
| 5 | | Keith Peal | Vancouver, WA | Emmick | Yamaha |
| 6 | | James Pettit | Walnet Creek, CA |
| 7 | | Howard Hermanson | Portland, OR |
| 8 | | Harold Denson | Junction City, OR |
| 9 | | Bob Mosley | Tulsa, OK |
| 10 | | Sig Kaesbauer | Vancouver, BC, Canada |