Sport in the Netherlands sports began at the beginning of the 19th century and the beginning of the 20th century. Federations for sports were established (such as the speed skating federation in 1882), rules were unified and sports clubs came into existence. A Dutch National Olympic Committee was established in 1912. Thus far, the nation has won 230 medals at the Summer Olympic Games and another 78 medals at the Winter Olympic Games. An influential figure in Dutch sport was Pim Mulier. In 1879 he founded the first rugby and football club in the Netherlands, he was involved in forming the first tennis club
Doping at the Olympic Games effort to detect banned substances and recent blood transfusions. While several athletes were barred from competition by their National Olympic Committees prior to the Games, six athletes failed drug tests while in competition in Beijing. What follows is a list of all the athletes that have tested positive for a banned substance either during or after an Olympic Games in which they competed. Any medals listed were revoked by the International Olympic Commission (IOC). In 1967 the IOC banned the use of performance-enhancing drugs, instituted a Medical Commission, and created a list of banned substances. Mandatory testing began at the