- MotocrossSteel City Raceway September 6, 1998
- MotocrossBroome-Tioga Sports Center August 30, 1998
- MotocrossSpring Creek Motocross (Millville) August 16, 1998
- MotocrossWashougal Motocross August 2, 1998
- Motocross
- MotocrossUnadilla Motocross July 19, 1998
- MotocrossRedBud Track 'n Trail July 5, 1998
- Motocross
- MotocrossMoto-X 338 June 14, 1998
- MotocrossHigh Point Raceway May 24, 1998
- Motocross
- MotocrossGlen Helen Raceway May 10, 1998