29 October 1942|
Infobox last updated on|
18 August 2014
Johannes ("Jan") Aloysius Maria Pieterse (born 29 October 1942) is a former professional racing cyclist from the Netherlands, who won the gold medal in the Men's 100 km Team Trial at the 1964 Summer Olympics, alongside Bart Zoet, Evert Dolman, and Gerben Karstens. At the same Olympics he finished in 42nd place in the Men's Individual Road Race.
- "Jan Pieterse Olympic Results". sports-reference.com. Retrieved 19 August 2014.
- (Dutch) Dutch Olympic Committee