Country

Switzerland

DateCircuitCategoryWinner
22.08.1937BremgartenInternational FormulaRudolf Caracciola
04.07.1948BremgartenFormula 1Carlo Felice Trossi
03.07.1949BremgartenFormula 1Alberto Ascari
27.09.1970KerenzerbergHill climbSilvio Moser