2017
Gulf 12 Hours - GTX1
1st
2012
Historic Zandvoort Grand Prix - Gentlemen
1st
2003
FIA Sportscar Championship - SR1
1st
2003
1000 km Le Mans - LMP900
3rd
2002
FIA Sportscar Championship - SR1
1st
1996
24 Hours of Le Mans - LMP1
3rd
1995
Formula 3000 Non Champ. - Kyalami
1st
1990
24 Hours of Le Mans - C1
2nd
1990
24 Hours of Daytona
1st
1988
24 Hours of Daytona
1st
1987
Macau Grand Prix - Formula 3
2nd
1987
World Sportscar Championship
2nd
1986
Macau Grand Prix - Formula 3
3rd
1985
Macau Grand Prix - Formula 3
3rd
1985
Renault Alpine V6 Europe
3rd
1984
Renault 5 Turbo Eurocup
1st
1983
Renault 5 Turbo Eurocup
1st
1976
Nederlands Kampioenschap Formule Ford
2nd
1973
Dutch Touring Car Championship - Group 1 under Fl. 9000
1st