Gerrit Wolsink is a Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 former Grand Prix motocross

Motocross

Motocross is a form of motorcycle sport or all-terrain vehicle racing held on enclosed off road circuits. It evolved from trials, and was called scrambles, and later motocross, combining the French moto with cross-country...

 racer who competed in motocross Grand Prix world championships in the mid- to late 1970s. He is best remembered for being a five-time winner of the 500cc United States Grand Prix of motocross.

A dentist by training, Gerrit Wolsink chose a career in motorcycle racing. He began competing on the Grand Prix motocross circuit on a Maico

Maico

For the manga series, see Maico 2010.Maicowerk A.G. was founded in 1926, originally assembling 98 and 123 cc Ilo two stroke motors. After World War II the West German motorcycle manufacturer began producing its own unit construction two stroke engines, selling engines and complete motorcycles...

 motorcycle as a privateer. In 1974 he was offered a spot on the Suzuki

Suzuki

is a Japanese multinational corporation headquartered in Hamamatsu, Japan that specializes in manufacturing compact automobiles and 4x4 vehicles, a full range of motorcycles, all-terrain vehicles , outboard marine engines, wheelchairs and a variety of other small internal combustion engines...

 factory racing team as Roger De Coster's team-mate. He finished third in the 500cc world championship in 1975 and 1977 and second in 1976 and 1979.