2005 Lucas Oil AMA Pro Motocross Championship
Washougal Motocross
Washougal MX Park
Washougal, WA US 
July 31, 2005
- Lucas Oil AMA Pro Motocross Championship
- Monster Energy AMA Supercross Championship
- FIM Motocross World Championship
- GNCC Racing
- Australian Supercross Championship
- Australian Motocross Championship
- Canadian Triple Crown
- ATV Motocross National Championship
- AMA EnduroCross Championship
- American Motocross Championships
- Arenacross National Championship