| Round |
Date |
Track |
City |
450 |
250 |
| 1 | April 6, 1975 | Hangtown | Rancho Cordova, CA | Kent Howerton | | | 2 | May 4, 1975 | Appalachia Lake Park | Bruceton Mills, WV | | | | 3 | May 25, 1975 | Castle Point Moto Sport P | New Castle, KY | | | | 4 | June 1, 1975 | Omaha Moto Park | Herman, NE | | | | 5 | June 8, 1975 | Baldwin Motocross Park | Baldwin, KS | | | | 8 | June 13, 1975 | Omaha Moto Park | Herman, NE | | | | 6 | June 15, 1975 | Lake Whitney Cycle Ranch | Lake Whitney, TX | | | | 7 | June 29, 1975 | Midland Motocross Park | Midland, MI | | | | 9 | July 27, 1975 | Delta Motorsport Park | Delta, OH | | | | 10 | August 3, 1975 | Appalachia Lake Park | Bruceton Mills, WV | | | | 11 | August 10, 1975 | Moto-Masters Park | Mexico, NY | | | | 12 | August 17, 1975 | Lake Sugar Tree MX Park | Axton, VA | | | | 13 | August 24, 1975 | Ohio International Racewa | Ravenna, OH | | | | 14 | August 25, 1975 | Cycle-Rama | San Antonio, TX | | Marty Smith | | 15 | September 1, 1975 | Motocross West | New Orleans, LA | | Marty Smith |
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