An All-American type girl on the LPGA Tour. She carried a basketball with her to every event and was shooting baskets constantly. Joining the Tour in 1974, Britz's first title was the 1979 USGA Women's Open Championship at Brooklawn Country Club in Fairfield, Connecticut in which her 72-hole score of 284 tied the low aggregate score for the event at that time. Britz also finished second that year in the LPGA Championship and was awarded the LPGA's Peter Jackson Award for her performances in the majors that year. Britz won her second LPGA title the following year in the Mary Kaye Classic and remained on the LPGA Tour through the 1999 season.
Britz, who took up the game at age 17 in Luverne, Minnesota, did not turn professional until age 30. She spent five years teaching high school and three years teaching college before turning professional. Britz also won the 1969 Minnesota Women's Public Links Championship.