Moved into sportscars and then into GT cars after Formula 3000, but sandwiched between the two, were 2 years in the Dutch Touring Car Championship, Euser winning the title in both seasons. Now in numerous series, mainly GT based, but now runs a team and most of his effort is dedicated to that, not full-time racing. That said, he competed in a range of series, including Britcar, the Le Mans 24 hour race and the European GT4 series as well as the Touring Car Endurance Series. Since 2022, Euser has been racing much more frequently in historic events. Euser also won the Dutch and European Formula Ford 1600 title in 1981. Cor is short for Cornelius.

Biography last updated 5 Apr 2024