Mary Stewart (Cotton), (born 25 February 1956 in Birmingham) is a female retired middle distance runner who represented Great Britain, England and Scotland.
A member of the Birchfield Harriers, she competed in the 1500 metres at the 1976 Summer Olympics in Montreal, finishing in fourth place in her semi-final race and just failing to qualify for the final. She won the gold medal in the 1500 metres at the 1977 European Indoor Championship in San Sebastián. She represented England and won a gold medal in the 1,500 metres event, at the 1978 Commonwealth Games in Edmonton, Alberta, Canada.[1] [2] [3]
She is the younger sister of the Scottish athletes Ian Stewart and Peter Stewart, the family having moved from Musselburgh to Birmingham, England in 1948.[4]