1989 AMA Pro Motocross Championship Spring Creek Motocross (Millville): 500MX Results
August 20, 1989
- Monster Energy AMA Supercross Championship
- AMA Pro Motocross Championship
- SuperMotocross World Championship
- FIM Motocross World Championship
- Progressive GNCC Racing
- Motocross of Nations
- FIM World Supercross Championship
- Australian Supercross Championship
- Women's Motocross Championship
- Monster Energy Cup
500MX Results
| Rider | Hometown | Motos | Bike | |
|---|---|---|---|---|
| 1 | Jeff Ward | Mission Viejo, CA | 1 - 1 | Kawasaki |
| 2 | Ron Lechien | El Cajon, CA | 2 - 2 | Kawasaki |
| 3 | | Sherwood, MI | 3 - 3 | Honda |
| 4 | Rick Johnson | El Cajon, CA | 5 - 4 | Honda |
| 5 | | Costa Mesa, CA | 4 - 6 | Yamaha |
| 6 | | Sacramento, CA | 6 - 8 | Kawasaki |
| 7 | | Placentia, CA | 9 - 7 | Kawasaki |
| 8 | | Litchfield Park, AZ | 12 - 5 | Yamaha |
| 9 | | Santee, CA | 8 - 10 | Kawasaki |
| 10 | | Skaneateles, NY | 13 - 9 | Kawasaki |
| 11 | | Orangevale, CA | 7 - 15 | Yamaha |
| 12 | | Hopedale, OH | 11 - 14 | Honda |
| 13 | | Wappingers Falls, NY | 15 - 11 | Honda |
| 14 | | Cloquet, MN | 14 - 12 | Honda |
| 15 | | North Canton, OH | 10 | Honda |
| 16 | | Lewisville, TX | 19 - 13 | Kawasaki |
| 17 | | Colts Neck, NJ | 17 - 17 | Honda |
| 18 | | Saint Clair, MO | 18 - 18 | Yamaha |
| 19 | | Chino, CA | - 16 | ATK |
| 20 | | Abbotsford, BC | 16 | Honda |
| 21 | | Monterey, CA | 20 - 19 | Honda |
| 22 | | New Philadelphia, OH | 32 - 20 | Honda |


