Jamison represented the United States as an 18-year-old at the 1968 Summer Olympics in Mexico City. She competed in the women's 200-meter breaststroke, and finished fifth overall in the event final with a time of 2:48.4.Sports-Reference.com, Olympic Sports, Swimming at the 1968 Ciudad de México Summer Games, Women's 200 metres Breaststroke Final. Retrieved October 21, 2012.
