Background
Klopfer was born in New York and was named after Sonja Henie.
Klopfer was born in New York and was named after Sonja Henie.
She was then sent to Wembley, England to compete at her first World Championships and finished fifth.
In February 1952, Klopfer competed at the Winter Olympics in Oslo, Norway and finished fourth at the event. Her final competition was the 1952 World Championships in Paris, France. When the rink closed around 1983, they moved to the Gloucester Skating Club in Orleans, Ontario.
Her students included Dorothy Hamill, Elizabeth Manley, Scott Smith, and Charlene Wong (from 1986 to 1990).
She was inducted into the Skate Canada Hall of Fame in 2001 and into the Professional Skaters Association" Coaches Hall of Fame in 2005.
She is a two-time World medalist (bronze in 1951, silver in 1952) and the 1951 United States. national champion. Klopfer won silver on the senior level at the 1950 United States. Championships. In 1951, Klopfer was awarded the gold medal at the United States. Championships. Having won at age 15, she was the youngest United States. senior ladies" champion until Tara Lipinski won in 1997 at age 14. Klopfer obtained the bronze medal in Milan at the 1951 World Championships, standing on the podium with Jeannette Altwegg and Jacqueline du Bief. She won silver behind du Bief and then retired from competition.
