She was named on the Swedish track and field team that competed in Helsinki that year. She was 15 at the time and acknowledged as the youngest athlete of the meet. One year later, Haglund was appointed to the first of three Swedish Olympic teams: Munich, 1972. Her running career would take her to the 1976 Montreal Olympic Games, as well as those held in Moscow in 1980. Haglund had her best Olympic Games' showing with a fourth place in the Moscow Games' 100 m final.