| Year |
250cc/Motocross |
125cc/Lites |
500 cc |
| 2007 |
Grant Langston (Yamaha) |
Eric Edwardson (Kawasaki) |
|
| 2006 |
Ricky Carmichael (Suzuki) |
Ryan Villopoto (Kawasaki) |
|
| 2005 |
Ricky Carmichael (Suzuki) |
Ivan Tedesco (Kawasaki) |
|
| 2004 |
Ricky Carmichael (Honda) |
James Stewart, Jr. (Kawasaki) |
|
| 2003 |
Ricky Carmichael (Honda) |
Grant Langston (KTM) |
|
| 2002 |
Ricky Carmichael (Honda) |
James Stewart, Jr. (Kawasaki) |
|
| 2001 |
Ricky Carmichael (Kawasaki) |
Mike Brown (Kawasaki) |
|
| 2000 |
Ricky Carmichael (Kawasaki) |
Travis Pastrana (Suzuki) |
|
| 1999 |
Greg Albertyn (Suzuki) |
Ricky Carmichael (Kawasaki) |
|
| 1998 |
Doug Henry (Yamaha) |
Ricky Carmichael (Kawasaki) |
|
| 1997 |
Jeff Emig (Kawasaki) |
Ricky Carmichael (Kawasaki) |
|
| 1996 |
Jeff Emig (Kawasaki) |
Steve Lamson (Honda) |
|
| 1995 |
Jeremy McGrath (Honda) |
Steve Lamson (Honda) |
|
| 1994 |
Mike LaRocco (Kawasaki) |
Doug Henry (Honda) |
|
| 1993 |
Mike Kiedrowski (Kawasaki) |
Doug Henry (Honda) |
Mike LaRocco (Kawasaki) |
| 1992 |
Jeff Stanton (Honda) |
Jeff Emig (Yamaha) |
Mike Kiedrowski (Kawasaki) |
| 1991 |
Jean-Michel Bayle (Honda) |
Mike Kiedrowski (Kawasaki) |
Jean-Michel Bayle (Honda) |
| 1990 |
Jeff Stanton (Honda) |
Guy Cooper (Suzuki) |
Jeff Ward (Kawasaki) |
| 1989 |
Jeff Stanton (Honda) |
Mike Kiedrowski (Honda) |
Jeff Ward (Kawasaki) |
| 1988 |
Jeff Ward (Kawasaki) |
George Holland (Honda) |
Rick Johnson (Honda) |
| 1987 |
Rick Johnson (Honda) |
Micky Dymond (Honda) |
Rick Johnson (Honda) |
| 1986 |
Rick Johnson (Honda) |
Micky Dymond (Honda) |
David Bailey (Honda) |
| 1985 |
Jeff Ward (Kawasaki) |
Ron Leichien (Honda) |
Broc Glover (Yamaha) |
| 1984 |
Rick Johnson (Honda) |
Jeff Ward (Kawasaki) |
David Bailey (Honda) |
| 1983 |
David Bailey (Honda) |
Johnny O'Mara (Honda) |
Broc Glover (Yamaha) |
| 1982 |
Donnie Hansen (Honda) |
Mark Barnett (Suzuki) |
Darrell Schultz (Honda) |
| 1981 |
Kent Howerton (Suzuki) |
Mark Barnett (Suzuki) |
Broc Glover (Yamaha) |
| 1980 |
Kent Howerton (Suzuki) |
Mark Barnett (Suzuki) |
Chuck Sun (Honda) |
| 1979 |
Bob Hannah (Yamaha) |
Broc Glover (Yamaha) |
Danny LaPorte (Suzuki) |
| 1978 |
Bob Hannah (Yamaha) |
Broc Glover (Yamaha) |
Rick Burgett (Yamaha) |
| 1977 |
Tony DiStefano (Suzuki) |
Broc Glover (Yamaha) |
Marty Smith (Honda) |
| 1976 |
Tony DiStefano (Suzuki) |
Bob Hannah (Yamaha) |
Kent Hiowerton (Husqvarna) |
| 1975 |
Tony DiStefano (Suzuki) |
Marty Smith (Honda) |
Jimmy Weinert (Kawasaki) |
| 1974 |
Gary Jones (Can-Am) |
Marty Smith (Honda) |
Jimmy Weinert (Kawasaki) |
| 1973 |
Gary Jones (Honda) |
|
Pierre Karsmakers (Yamaha) |
| 1972 |
Gary Jones (Yamaha) |
|
Brad Lackey (Kawasaki) |