Career
Nyhagen danced with Knut Sæborg and the pair became World and European Champions in Latin American dance in both 1987 and in 1988. They finished third in the 1986 World Cup and second in the European Championships the same year. In 10-dance was Nyhagen and Sæborg European champions in 1986.
After winning the World Cup in 1987, Nyhagen and Sæborg were awarded the gold medal.
The couple became professional in 1989. Nyhagen worked as an international judge in dance.