Venue – Assen
| 1979 | European Grasstrack Championship (F) | Solo |  Gerald Short |
| 1980 | European Grasstrack Championship (sf) | 500cc Sidecars |  Otto Bauer & Peter Stiegelbrunner |
| 1981 | European Grasstrack Championship (F) | 500cc Sidecars | Michael Datzmann & Rosamunde Datzmann |
| 1982 | European Grasstrack Championship (sf) | 500cc Sidecars | Heinz Pagel & Jurgen Zaddach |
| 1983 | European Grasstrack Championship (F) | 500cc Sidecars | Michael Datzmann & Rosamunde Datzmann |
| 1986 | Dutch Championship (Round) | ||
| 1989 | Dutch Championship (Round) |
