1984 Lucas Oil AMA Pro Motocross Championship
Spring Creek Motocross (Millville)
Spring Creek MX Park - Millville, MN
August 5, 1984
- Lucas Oil AMA Pro Motocross Championship
- Monster Energy AMA Supercross Championship
- Women's Motocross Championship
- FIM Motocross World Championship
- Monster Energy Cup
- Motocross of Nations
- Red Bull Straight Rhythm
- Amsoil GNCC Racing
- Amateur National Motocross Championship
- Ricky Carmichael Daytona Amateur Supercross
- Australian Supercross Championship