In his first year as a professional rider, Stolker won a stage in the
1956 Giro d'Italia, and the Italian press called him "the best Dutch renner ever". In 1962, Stolker rode for a French team, and helped
Jacques Anquetil won the
1962 Tour de France, after finishing seventh in that year's
Vuelta a España. He also won the
Grand Prix du Midi Libre that year. His last big victory was the eighth stage in the
1964 Vuelta a España. Stolker ended his career in 1966. ==References==