Troy, OH
Kenworthy's Motocross Park
- July 25, 2004
- July 14, 2002
- July 22, 2001
- July 23, 2000
- July 25, 1999
- July 25, 1998
- July 27, 1997
- July 28, 1996
- July 16, 1995
- July 24, 1994
- July 25, 1993
- July 26, 1992
- July 28, 1991
- July 29, 1990
- July 16, 1989
- July 31, 1988
- August 9, 1987
All-Time Wins
450 Class
| Rider | Hometown | Wins |
|---|---|---|
 Ricky Carmichael |  Havana, FL | 4 |
 Ron Lechien | El Cajon, CA | 2 |
 Jeff Emig | Independence, MO | 2 |
 Jeremy McGrath | Sun City, CA | 2 |
 Rick Johnson | El Cajon, CA | 1 |
250 Class
| Rider | Hometown | Wins |
|---|---|---|
| Guy Cooper | Stillwater, OK | 3 |
 James Stewart | Haines City, FL | 2 |
| Ricky Carmichael | Havana, FL | 2 |
| Jeff Emig | Independence, MO | 2 |
| Damon W Huffman | Saugus, CA | 2 |