500MX Results
| Rider | Hometown | Motos | Machine |
|---|
| 1 | Tommy Croft | San Diego, CA | 2 - 3 | Honda |
| 2 | Marty Smith | San Diego, CA | 1 - 5 | Honda |
| 3 | Steve Stackable | Austin, TX | 4 - 2 | Maico |
| 4 | Kent Howerton | San Antonio, TX | 6 - 4 | Husqvarna |
| 5 | Mickey Boone | Winston Salem, NC | 7 - 6 | Suzuki |
| 6 | Danny Laporte | Yucca Valley, CA | - 1 | Suzuki |
| 7 | Chuck Sun | Sherwood, OR | 11 - 8 | Husqvarna |
| 8 | Rich Eierstedt | Norwalk, CA | 10 - 9 | Bultaco |
| 9 | Rex Staten | Fontana, CA | 9 - 12 | Harley-Davidson |
| 10 | Gary Semics | Lisbon, OH | 3 | Kawasaki |
| 11 | Warren Reid | Westminster, CA | 12 - 11 | Honda |
| 12 | Marty Tripes | Santee, CA | 13 - 13 | Harley-Davidson |
| 13 | Tony DiStefano | Bristol, PA | 5 | Suzuki |
| 14 | Bob Hannah | Whittier, CA | - 7 | Yamaha |
| 15 | Gaylon Mosier | Garden Grove, CA | 8 | Maico |
| 16 | John Joyner | Plant City, FL | 16 - 14 | Yamaha |
| 17 | Mickey Kessler | Farmingdale, NJ | - 10 | Montesa |
| 18 | Koji Masuda | Japan | 15 - 16 | Suzuki |
| 19 | Pat Moroney | Newburgh, NY | 14 - 17 | Husqvarna |
| 20 | Denny Swartz | Reno, OH | 18 - 15 | Maico |
| 21 | Monte Anderson | Midlothian, TX | 17 - 18 | Penton |
| 22 | John Calathes | Winter Park, FL | 20 - 19 | Maico |
| 23 | Dan Farley | Orlando, FL | 19 | Husqvarna |
| 24 | James Edwards | Sarasota, FL | - 20 | Yamaha |