Sears Point International Raceway
June 29 1980
500MX Results
| Rider | Hometown | Motos | ||
|---|---|---|---|---|
| 1 | Chuck Sun | Sherwood, OR  | 1 - 1 |  |
| 2 | Danny Laporte | Yucca Valley, CA | 2 - 2 |  |
| 3 | Jim Gibson | Orange, CA | 4 - 4 | |
| 4 | Rick Burgett | Sandy, OR | 3 - 6 |  |
| 5 |  Marty Smith | San Diego, CA | 6 - 5 | |
| 6 | Goat Breker | Anaheim, CA | 11 - 3 |  |
| 7 | Alan King | Troy, MI | 9 - 7 | Maico |
| 8 | Arlo Englund | Colorado Springs, CO | 16 - 8 | |
| 9 | Alan Smith | Garden Grove, CA | 15 - 9 |  |
| 10 | Wayne Boyer | Poway, CA | 13 - 11 | |
| 11 | Dan Turner | Placerville, CA | 12 - 12 | Maico |
| 12 | Gaylon Mosier | Garden Grove, CA | 5 | |
| 13 | Denny Swartz | Reno, OH | 18 - 10 | Maico |
| 14 | Gary Semics | Lisbon, OH | 7 | |
| 15 | Steve Stackable | Austin, TX | 8 | Maico |
| 16 | Rex Staten | Fontana, CA | 10 | |
| 17 | David Gerig | Vista, CA | 19 - 14 | |
| 18 | Rick Sidle | Lebanon, PA | - 13 | Maico |
| 19 | Mickey Kessler | Farmingdale, NJ | 14 | |
| 20 | Dan Fish | Ithaca, NY | - 15 | |
| 21 | John Reinholt | Ocoee, FL | - 16 | Maico |
| 22 | Sean O'Brien | Irving, TX | - 17 | Maico |
| 23 | Gary Pustelak | Girard, PA | 17 | |
| 24 | Jeff Shaw | Jackson, MS | - 18 | |
| 25 | Dean Shultz | Orangevale, CA | - 19 | |
| 26 | John Handelin | San Francisco, CA | - 20 | Maico |
| 27 | Craig Praus | North Bend, OR | 20 | |