Info:
Last edited: 1/21/2026 · Jürgen Wißler
Events & Results:
| Year | Position | Championship | Brand | ||
|---|---|---|---|---|---|
| 1974 | 4 |  | US Nationals 250ccm Cross | ||
| 1973 | 9 | | Trans AMA 500ccm Cross | ||
| 1972 | 4 | | US Nationals 500ccm Cross |
Thorwaldson Richard
Info:
Last edited: 1/21/2026 · Jürgen Wißler
Events & Results:
| Year | Position | Championship | Brand | ||
|---|---|---|---|---|---|
| 1974 | 4 | | US Nationals 250ccm Cross | ||
| 1973 | 9 | | Trans AMA 500ccm Cross | ||
| 1972 | 4 | | US Nationals 500ccm Cross |
