Croft represented Great Britain at three consecutive Summer Olympics, starting in 1980.

At her Olympic debut in Moscow, she won the silver medal in the women's 4×100-metre medley relay, followed by the bronze medal in the women's 400-metre freestyle four years later at the 1984 Summer Olympics in Los Angeles.

She represented England and won five medals at the 1982 Commonwealth Games in Brisbane, Queensland, Australia; triple gold in the 100 and 200 metres freestyle and 4x100 metres relay, a silver in the medley relay and a bronze in the 4x200 metres freestyle relay.

[1] Eight years later she represented England and won a silver and bronze in the freestyle relays events, at the 1990 Commonwealth Games in Auckland, New Zealand.

This article about a swimming Olympic medallist of the United Kingdom is a stub.