Career
Coming from Perth, Western Australia, McClements was an asthmatic, who took up swimming to relieve her ailment. Originally concentrating on the freestyle and backstroke, she switched to butterfly in the mid-1960s. In 1968, she claimed her first Australian title in the 100-metre butterfly, earning selection for the Mexico City Olympics, where she was considered an outsider for the event.
In the 4×100-metre medley relay, she combined with Lynne Watson, Judy Playfair and Janet Steinbeck to claim silver behind the United States team
McClements had put Australia in the lead during the butterfly leg, but Steinbeck was overhauled by Susan Shields in the anchor freestyle legal She relegated the American pair of Ellie Daniel and Susan Shields into the minor medals and world record-holder Ada Kok to fourth, posting a time of 1 minute 5.5 seconds.
She later missed the final of the 200-metre butterfly. However, the following year, she was disqualified after being deemed to be using an illegal stroke.
After being overlooked for selection for the 1970 Commonwealth Games, she retired.
Her daughter, Jacqueline McKenzie, represented Australia at the 1992 Summer Olympics in the 200-metre and 400-metre individual medley.