| 22 | Steel City Raceway | 125MX | September 5, 1999 | Yamaha |
| 27 | Washougal Motocross | 125MX | August 1, 1999 | Yamaha |
| 39 | Unadilla Motocross | 125MX | July 18, 1999 | Yamaha |
| 37 | Steel City Raceway | 250MX | September 6, 1998 | Yamaha |
| 37 | Broome-Tioga Sports Center | 250MX | August 30, 1998 | Yamaha |
| 33 | Spring Creek Motocross | 250MX | August 16, 1998 | Yamaha |
| 39 | Washougal Motocross | 250MX | August 2, 1998 | Yamaha |
| 37 | Kenworthy's Motocross Park | 250MX | July 25, 1998 | Yamaha |
| 31 | Unadilla Motocross | 250MX | July 19, 1998 | Yamaha |
| 31 | Hangtown Motocross Classic | 250MX | May 17, 1998 | Yamaha |
| 37 | Glen Helen Raceway | 250MX | May 10, 1998 | Yamaha |
Kennewick, WA