On 11 July 1971 Falck ran the 800 m in 1:58.5 minutes in Stuttgart, improving the world record of Vera Nikolic by two seconds.
Falck ran the 800 m in 1:58.5 minutes in Stuttgart. This was on 11 July 1971. Falck was improving the world record of Vera Nikolic by two seconds. This was on 11 July 1971.