 She was ranked number 1 in the world in the 100, 200 and 400 m events in 1974.She would win her final Olympic medal in Montreal in 1976, by winning the gold in the 400 metres in a world record time of 49.28.At the inaugural World Cup of Track and Field in 1977, she would win both 200 metres and 400 metres; beating both favoured East German runners Bärbel Wöckel and Marita Koch respectively.