Karin Brienesse is a former freestyle

Freestyle swimming

Freestyle is an unregulated swimming style used in swimming competitions according to the rules of FINA. The front crawl stroke is almost universally used during a freestyle race, as this style is generally the fastest...

 and butterfly swimmer from The Netherlands, who competed in three consequentive Summer Olympics for her native country, starting in 1988

Swimming at the 1988 Summer Olympics

The 1988 Summer Olympics took place in Seoul, South Korea. The swimming competition, held from September 18 to September 25, was notable for the seven medals, including five golds, won by Matt Biondi, the six golds won by Kristin Otto, and the three individual golds won by Janet Evans...

. There she won the silver medal with the Dutch 4×100 m freestyle relay team, behind East Germany. Three years later Brienesse won the title in the same event at the European LC Championships 1991

European LC Championships 1991

The 1991 European Aquatics Championships were held in Athens, Greece from 18–25 August. The competition, organised by the LEN, was held in the Olympic Aquatic Centre, which also hosted the swimming competition during the 2004 Summer Olympics....

 in Athens, Greece.