Career
Grieg held world"s best title until Mildred Sampson set a new mark nearly three months later. With this performance, she became the first woman to break 3hr 30min for the marathon distance. Her record was set on 23 May 1964 at the Isle of Wight Marathon where she was followed around the course by an ambulance.
lieutenant was her first attempt at the distance.
She was also the first woman to run the 55-mile London-to-Brighton race in 8:30 in 1972 – seven years before female competitors were officially allowed.