Boxall married to Eddie Allen, a South African badminton player on 9 August 1975 in her hometown Gosport, Hampshire.

[2] Boxall won the women's doubles with Susan Whetnall at the prestigious All-England Championships in both 1969 and 1970.

[3] She also won the gold medal at the 1968 and the 1970 European Badminton Championships in women's doubles with Susan Whetnall.

[4] She represented England and won double gold and a bronze medal, at the 1970 British Commonwealth Games in Edinburgh, Scotland.

[5][6] Four years later she won a silver medal in the doubles at the 1974 British Commonwealth Games in Christchurch, New Zealand.