| Round |
Date |
Track |
City |
450 |
250 |
| 1 | March 29, 1981 | Hangtown | Rancho Cordova, CA | Kent Howerton | Mark Barnett | | 2 | April 5, 1981 | Saddleback Park | Orange, CA | | | | 3 | April 12, 1981 | Lake Whitney Cycle Ranch | Lake Whitney, TX | | | | 4 | May 10, 1981 | Road Atlanta | Atlanta, GA | | | | 5 | May 17, 1981 | Moto-X 338 | Southwick, MA | | | | 6 | May 24, 1981 | High Point Raceway | Mount Morris, PA | | | | 7 | June 7, 1981 | Sunshine Speedway | St. Petersburg, FL | | | | 8 | June 14, 1981 | CDR Tech Track | Castle Rock, CO | | | | 9 | June 28, 1981 | Broome-Tioga Center | Binghamton, NY | | | | 10 | July 5, 1981 | RedBud | Buchanan, MI | | | | 11 | August 2, 1981 | Washougal MX Park | Washougal, WA | | | | 12 | August 16, 1981 | Carlsbad Raceway | Carlsbad, CA | | |
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