Johnston was part of the coxless pairs crew, with
Belinda Holmes that won the national title rowing for a
Marlow and Weybridge Ladies composite, at the
1985 National Rowing Championships. She represented
England and won two silver medals in the coxless pair with
Pauline Bird and the eight, at the
1986 Commonwealth Games in
Edinburgh,
Scotland. In 1988 she was selected for the Great Britain team at the 1988 Olympics. She competed in the
women's coxed four with
Joanne Gough,
Kate Grose,
Susan Smith and
Alison Norrish finishing in sixth place. Johnston also represented Great Britain at three
World Rowing Championships. ==References==