Baldwin, KS
Baldwin Motocross Park
- June 8, 1975
- July 6, 1974
- July 15, 1973
All-Time Wins
450 Class
| Rider | Hometown | Wins |
|---|---|---|
| Pierre Karsmakers |  The Netherlands | 1 |
 Jim Weinert |  Middletown, NY | 1 |
250 Class
| Rider | Hometown | Wins |
|---|---|---|
| Jimmy Ellis | Cobalt, CT | 1 |