1978 AMA Pro Motocross Championship Atlanta International Raceway: 500MX Results
July 16, 1978
500MX Results
| Rider | Hometown | Motos | Bike | |
|---|---|---|---|---|
| 1 |  Rick Burgett | Sandy, OR  | 1 - 1 | Yamaha |
| 2 | Rex Staten | Fontana, CA | 3 - 4 | Yamaha |
| 3 | Tony DiStefano | Bristol, PA | 2 - 8 | Suzuki |
| 4 | Danny Laporte | Yucca Valley, CA | 13 - 2 | Suzuki |
| 5 | Gary Semics | Lisbon, OH | 5 - 7 | Can-am |
| 6 | Steve Stackable | Austin, TX | 4 - 11 | Kawasaki |
| 7 |  Marty Smith | San Diego, CA | 10 - 5 | Honda |
| 8 | Mickey Boone | Winston Salem, NC | 9 - 6 | Suzuki |
| 9 | Tony Summey | Forest City, NC | 6 - 10 | Yamaha |
| 10 | Denny Swartz | Reno, OH | 8 - 9 | Maico |
| 11 | Tommy Croft | San Diego, CA | 19 - 3 | Honda |
| 12 | Terry Clark | Lake Hughes, CA | 7 - 13 | Maico |
| 13 | Ken Adams | West Grove, PA | 11 - 12 | Maico |
| 14 | Frank Stacy | Cheektowaga, NY | 12 - 14 | KTM |
| 15 | Darrell Shultz | Orangevale, CA | 17 - 17 | Suzuki |
| 16 | Frank Gallo | Macon, GA | 20 - 15 | KTM |
| 17 | Mickey Kessler | Farmingdale, NJ | 14 | Yamaha |
| 18 | Richard Clackwell | Amarillo, TX | 15 | Maico |
| 19 | John Ayers | Grove City, PA | - 16 | Suzuki |
| 20 | Pat Moroney | Newburgh, NY | 16 | Suzuki |
| 21 | Roger Brown | New Braunfels, TX | - 18 | |
| 22 | Robert Shoup | Tipp City, OH | 18 | Suzuki |
| 23 | Jim Turner | Woodside, CA | - 19 | Husqvarna |
| 24 | Gary Murphy | Santa Cruz, CA | - 20 | Maico |
