Greg Theiss
Omaha, NE US
500MX Podium
1
500MX top 5
1
250MX top 5s
2
Career Race Results
| Position | Race | Class | Date | Bike |
|---|---|---|---|---|
| 22 | Motocross High Point Raceway | 500MX | May 24, 1981 | Honda |
| 21 | Motocross Saddleback Park | 250MX | March 30, 1980 | Yamaha |
| 10 | Motocross Hangtown Motocross Classic | 250MX | March 23, 1980 | Yamaha |
| 31 | Supercross Daytona | 250SX | March 8, 1980 | Yamaha |
| 14 | Supercross Atlanta | 250SX | March 1, 1980 | Yamaha |
| 14 | Supercross Anaheim | 250SX | November 17, 1979 | Yamaha |
| 8 | Motocross Sunshine Speedway | 500MX | August 26, 1979 | Yamaha |
| 23 | Motocross Metrolina Speedway Park | 500MX | August 19, 1979 | Yamaha |
| 2 | Motocross Broome-Tioga Sports Center | 500MX | August 12, 1979 | Yamaha |
| 7 | Motocross Rio Bravo MX Park | 500MX | August 5, 1979 | Yamaha |
| 6 | Motocross High Point Raceway | 500MX | July 8, 1979 | Yamaha |
| 22 | Motocross RedBud Track 'n Trail | 500MX | July 1, 1979 | Yamaha |
| 20 | Motocross Sears Point International Raceway | 500MX | June 17, 1979 | Yamaha |
| 9 | Motocross Atlanta International Raceway | 500MX | May 27, 1979 | Yamaha |
| 15 | Motocross Moto-X 338 | 500MX | May 20, 1979 | Yamaha |
| 13 | Supercross Pontiac 2 | 250SX | April 29, 1979 | Yamaha |
| 19 | Supercross Houston 1 | 250SX | March 16, 1979 | Yamaha |
| 15 | Supercross Daytona | 250SX | March 10, 1979 | Yamaha |
| 7 | Motocross High Point Raceway | 250MX | July 9, 1978 | Honda |
| 4 | Motocross RedBud Track 'n Trail | 250MX | July 2, 1978 | Honda |
| 7 | Motocross Cycle World USA | 250MX | June 18, 1978 | Honda |
| 11 | Motocross Sears Point International Raceway | 250MX | June 11, 1978 | Honda |
| 17 | Motocross Lake Whitney Cycle Ranch | 250MX | May 28, 1978 | Honda |
| 19 | Supercross Pittsburgh | 250SX | May 13, 1978 | Honda |
| 9 | Motocross Moto-X 338 | 250MX | May 7, 1978 | Honda |
| 7 | Motocross Omaha Moto Park | 250MX | April 30, 1978 | Honda |
| 8 | Motocross Rio Bravo MX Park | 250MX | April 23, 1978 | Honda |
| 11 | Motocross Racing World | 250MX | April 16, 1978 | Honda |
| 14 | Motocross Hangtown Motocross Classic | 250MX | April 9, 1978 | Honda |
| 19 | Supercross Pontiac 1 | 250SX | April 1, 1978 | Honda |
| 19 | Supercross Houston 2 | 250SX | March 18, 1978 | Honda |
| 20 | Supercross Atlanta | 250SX | March 4, 1978 | Honda |
| 24 | Motocross Metrolina Speedway Park | 500MX | August 7, 1977 | Husqvarna |
| 21 | Motocross Cycle World USA | 500MX | July 23, 1977 | Husqvarna |
| 22 | Motocross RedBud Track 'n Trail | 250MX | May 22, 1977 | Husqvarna |
| 23 | Motocross Lake Sugar Tree MX Park | 250MX | May 15, 1977 | Husqvarna |
| 26 | Motocross Moto-X 338 | 250MX | May 1, 1977 | Husqvarna |
| 21 | Motocross Omaha Moto Park | 250MX | April 24, 1977 | Husqvarna |
| 24 | Motocross Hillside Park | 250MX | April 17, 1977 | Husqvarna |
| 20 | Supercross Irving | 250SX | March 26, 1977 | Husqvarna |
| 20 | Motocross Unadilla Motocross | 500MX | August 1, 1976 | Suzuki |
| 22 | Motocross Lake Sugar Tree MX Park | 500MX | June 13, 1976 | Suzuki |
| 16 | Motocross Pennsylvania Motocross Park | 250MX | May 23, 1976 | Suzuki |
| 25 | Motocross Fastrack Motocross Park | 250MX | April 11, 1976 | Suzuki |
