Lyn was born in Brisbane. At the &lt;a href="1984%20Summer%20Paralympics"&gt;1984 New York/Stoke Mandeville Paralympics&lt;/a&gt;, she won a silver medal in the Women's Slalom C1 event and also competed in swimming . At the 1988 Seoul Paralympics, she competed in athletics and boccia events, and she competed solely in boccia at the 1992 Barcelona, 1996 Atlanta, and 2000 Sydney Paralympics. From 1995 to 2000, her international ranking climbed every year. In 2000, she received an Australian Sports Medal.