| 27 | Spring Creek Motocross | 250MX 450 | August 17, 2003 | Honda |
| 40 | Washougal Motocross | 250MX 450 | July 27, 2003 | Honda |
| 31 | Unadilla Motocross | 250MX 450 | July 20, 2003 | Honda |
| 30 | Budds Creek Motocross | 250MX 450 | June 15, 2003 | Honda |
| 25 | High Point Raceway | 250MX 450 | May 25, 2003 | Honda |
| 30 | Spring Creek Motocross | 250MX 450 | August 18, 2002 | Honda |
| 28 | Washougal Motocross | 250MX 450 | July 28, 2002 | Honda |
| 29 | Glen Helen Raceway | 250MX 450 | May 12, 2002 | Honda |
| 16 | Las Vegas | 250SX 450SX | May 4, 2002 | Yamaha |
| 27 | Broome-Tioga Sports Center | 250MX 450 | August 26, 2001 | Yamaha |
| 26 | Spring Creek Motocross | 250MX 450 | August 19, 2001 | Yamaha |
| 26 | Washougal Motocross | 250MX 450 | July 29, 2001 | Yamaha |
| 28 | Unadilla Motocross | 250MX 450 | July 15, 2001 | Yamaha |
| 27 | RedBud Track 'n Trail | 250MX 450 | July 1, 2001 | Yamaha |
| 25 | High Point Raceway | 250MX 450 | May 27, 2001 | Yamaha |
| 22 | Hangtown Motocross Classic | 250MX 450 | May 20, 2001 | Yamaha |
| 26 | Glen Helen Raceway | 250MX 450 | May 13, 2001 | Yamaha |
| 31 | Kenworthy's Motocross Park | 250MX 450 | July 23, 2000 | Yamaha |
| 29 | RedBud Track 'n Trail | 250MX 450 | July 2, 2000 | Yamaha |
| 24 | High Point Raceway | 250MX 450 | May 28, 2000 | Yamaha |
| 27 | Hangtown Motocross Classic | 250MX 450 | May 21, 2000 | Yamaha |
| 20 | Irving | 250SX 450SX | April 8, 2000 | Yamaha |
| 29 | Steel City Raceway | 250MX 450 | September 5, 1999 | Yamaha |
| 29 | Broome-Tioga Sports Center | 250MX 450 | August 29, 1999 | Yamaha |
| 26 | Kenworthy's Motocross Park | 250MX 450 | July 25, 1999 | Yamaha |
| 24 | Unadilla Motocross | 250MX 450 | July 18, 1999 | Yamaha |
| 30 | RedBud Track 'n Trail | 250MX 450 | July 4, 1999 | Yamaha |
| 26 | High Point Raceway | 250MX 450 | May 30, 1999 | Yamaha |
| 32 | Hangtown Motocross Classic | 250MX 450 | May 16, 1999 | Yamaha |
| 38 | Glen Helen Raceway | 250MX 450 | May 9, 1999 | Yamaha |