Venue – Loppersum
| 1997 | European Grasstrack Championship (Sf) | 500cc Sidecars |  Thomas Kunert & Marco Hundsrucker |
| 2001 | European Grasstrack Championship (Sf) | 500cc Sidecars |  Marco Glorie & Harry Drenth |
| 2002 | European Grasstrack Championship (Sf) | 500cc Sidecars | William Matthijssen & Erwin Boers |
| 2003 | European Grasstrack Championship (Sf) | 500cc Sidecars | Josef Onderka & Martin Wamprechtshammer |
| 2005 | European Grasstrack Championship (Sf) | 500cc Sidecars | William Matthijssen & Natalia Matthijssen |
| 2008 | European Grasstrack Championship (Sf) | 500cc Sidecars | William Matthijssen & Natalia Matthijssen |
| 2011 | European Grasstrack Championship (Sf) | 500cc Sidecars | William Matthijssen & Natalia Matthijssen |
| 2012 | European Grasstrack Championship (Sf) | 500cc Sidecars | Thomas Kunert & Markus Eibl |
| 2013 | European Grasstrack Championship (F) | 500cc Sidecars | Thomas Kunert & Markus Eibl |
| 2015 | European Grasstrack Championship (Sf) | 500cc Sidecars | Dennis Noordman & Patrick Kremer |
| 2016 | European Grasstrack Championship (Sf) | 500cc Sidecars | Wilfred Detz & Henk Auwema |
| 2023 | European Grasstrack Championship (Sf) | 500cc Sidecars |  Markus Brandhofer & Sandra Mollema |
