| 10 | Washougal Motocross | 500MX 500MX | 4 - 22 | August 28, 1988 | Honda |
| 5 | Spring Creek Motocross | 500MX 500MX | 7 - 5 | August 14, 1988 | Honda |
| 2 | Kenworthy's Motocross Park | 500MX 500MX | 3 - 3 | July 31, 1988 | Honda |
| 3 | Steel City Raceway | 500MX 500MX | 3 - 3 | July 17, 1988 | Honda |
| 3 | Broome-Tioga Sports Center | 500MX 500MX | 3 - 4 | July 10, 1988 | Honda |
| 4 | RedBud Track 'n Trail | 500MX 500MX | 2 - 8 | July 3, 1988 | Honda |
| 8 | Good Times MX Park | 250MX 450 Class | 7 - 9 | June 5, 1988 | Honda |
| 5 | High Point Raceway | 250MX 450 Class | 4 - 5 | May 29, 1988 | Honda |
| 5 | Moto-X 338 | 250MX 450 Class | 14 - 2 | May 22, 1988 | Honda |
| 4 | Lake Sugar Tree MX Park | 250MX 450 Class | 6 - 3 | May 1, 1988 | Honda |
| 7 | Hangtown Motocross Classic | 250MX 450 Class | 7 - 7 | March 27, 1988 | Honda |
| 5 | Gatorback Cycle Park | 250MX 450 Class | 5 - 4 | February 28, 1988 | Honda |
| 4 | Broome-Tioga Sports Center | 125MX 250 Class | | August 2, 1987 | Yamaha |
| 8 | Lake Sugar Tree MX Park | 125MX 250 Class | | July 12, 1987 | Yamaha |
| 2 | RedBud Track 'n Trail | 125MX 250 Class | | July 5, 1987 | Yamaha |
| 3 | Good Times MX Park | 125MX 250 Class | | June 21, 1987 | Yamaha |
| 5 | Lakewood Sportcycle Park | 125MX 250 Class | | June 14, 1987 | Yamaha |
| 5 | Secession MX Park | 125MX 250 Class | | May 31, 1987 | Yamaha |
| 11 | High Point Raceway | 125MX 250 Class | | May 24, 1987 | Yamaha |
| 5 | Moto-X 338 | 125MX 250 Class | | May 17, 1987 | Yamaha |
| 3 | Hangtown Motocross Classic | 125MX 250 Class | | March 22, 1987 | Yamaha |
| 5 | Gatorback Cycle Park | 125MX 250 Class | | March 1, 1987 | Yamaha |
| 3 | Washougal Motocross | 125MX 250 Class | | August 24, 1986 | Honda |
| 3 | Hollister Hills | 125MX 250 Class | | August 17, 1986 | Honda |
| 17 | Spring Creek Motocross | 125MX 250 Class | | August 10, 1986 | Honda |
| 5 | Broome-Tioga Sports Center | 125MX 250 Class | | August 3, 1986 | Honda |
| 9 | Lake Sugar Tree MX Park | 125MX 250 Class | | July 13, 1986 | Honda |
| 7 | RedBud Track 'n Trail | 125MX 250 Class | | July 6, 1986 | Honda |
| 11 | Lakewood Sports Center | 125MX 250 Class | | June 1, 1986 | Honda |
| 4 | High Point Raceway | 125MX 250 Class | | May 25, 1986 | Honda |
| 11 | Moto-X 338 | 125MX 250 Class | | May 18, 1986 | Honda |
