Complex sentence: In figure skating, she won the bronze medal at the 1934 World Figure Skating Championships; in speed skating, she won the first unofficial World Championship for ladies in 1933, and held the ladies' world record in the 500m as well as the 1000m.
Split into simpler sentences: In figure skating, she won the bronze medal at the 1934 World Championships. In speed skating, she won the first unofficial World Championship for ladies in 1933, and held the ladies' world record in the 500m as well as the 1000m.