Gretchen Kluter was a member of the 1955 U.S. Pan-American Games Team, winning a gold medal as a member of the 400-meter freestyle relay team and placing fifth in the 100-meter freestyle. She was also a member of the 1956 AAU All-American Women’s Swim Team and the 1972 All American Masters Swim Team. Gretchen was the first alternate for the 100 meter freestyle on the 1956 U.S. Olympic Swim Team, and set three national Junior Olympic records between 1953 and 1955.