US 500cc Motocross Championship
| 1993 | Mike La Rocco |
| 1992 | Mike Kiedrowski |
| 1991 | Jean M Bayle |
| 1990 | Jeff Ward |
| 1989 | Jeff Ward |
| 1988 | Rick Johnson |
| 1987 | Rick Johnson |
| 1986 | David Bailey |
| 1985 | Broc Glover |
| 1984 | David Bailey |
| 1983 | Broc Glover |
| 1982 | Darrell Shultz |
| 1981 | Broc Glover |
| 1980 | Chuck Sun |
| 1979 | Danny La Porte |
| 1978 | Rick Burgett |
| 1977 | Marty Smith |
| 1976 | Kent Howerton |
| 1975 | Jim Weinert |
| 1974 | Jim Weinert |
| 1973 | Pierre Karsmakers |
| 1972 | Brad Lackey |
| 1971 | Mark Blackwell |
All-time Round Wins
| Broc Glover | 19 |
| David Bailey | 15 |
| Jeff Ward | 12 |
| Rick Johnson | 11 |
| Pierre Karsmakers | 9 |
| Brad Lackey | 8 |
| Jeff Stanton | 8 |
| Chuck Sun | 7 |
| Mike Bell | 6 |
| Rick Burgett | 6 |
| Jim Weinert | 6 |
| Danny La Porte | 5 |
| Jean M Bayle | 4 |
| Danny Chandler | 4 |
| Kent Howerton | 4 |
All-time Fastest Qualifiers
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