[2] Foster first competed internationally at the 1978 World Rowing Championships at Lake Karapiro, New Zealand.

[6] At the 1982 World Rowing Championships in Lucerne, Switzerland, she won a bronze medal in the single scull.

At the 1986 World Rowing Championships at Nottingham in the United Kingdom, she won a bronze in the women's double scull with Robin Clarke.

[2] In the 1987 Queen's Birthday Honours, Foster was appointed a Member of the Order of the British Empire, for services to rowing.

The family lived for three decades at Lake Rotoiti followed by a short stint in Gore, before settling in Wedderburn in the 2020s.