1998 Women's Motocross Championship
WMX Race Results
- 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
- WMXBroome-Tioga Sports Center August 30, 1998
- WMXWashougal Motocross July 30, 1998
- WMX