Before revision: Knapp was a four-time winner of the Mrs. Charles Frances Adams Cup (1950, 1954, 1959, and 1963), which placed her as the United States' women's national sailing champion in those years.
After revision: Knapp was a four-time winner of the Mrs. Charles Francis Adams Trophy (1950, 1954, 1959, and 1963), which placed her as the United States' women's national sailing champion in those years.