Ewa Kłobukowska

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Ewa Kłobukowska
Ewa Kłobukowska running the 4x100 relay in 1964
Personal information
Nationality Polish
Born (1946-10-01) 1 October 1946 (age 68)
Warsaw, Poland
Olympic medal record
Competitor for  Poland
Women’s Athletics
Olympic Games
Gold medal – first place 1964 Tokyo 4x100 m relay
Bronze medal – third place 1964 Tokyo 100 m
European Championships
Gold medal – first place 1966 Budapest 4x100 m relay
Gold medal – first place 1966 Budapest 100 m
Silver medal – second place 1966 Budapest 200 m

Ewa Kłobukowska (born 1 October 1946 in Warsaw, Poland) is a former Polish sprinter.


She won the gold medal in the women's 4x100 m relay and the bronze medal in the women's 100 m sprint at the 1964 Summer Olympics in Tokyo.

In 1965 in Prague she set a world record in the 100 m sprint with the time 11.1 s.

In 1966 at the European Athletics Championships in Budapest she won two gold medals in the 100 m sprint and the 4x100 m relay and the silver medal in the 200 m sprint.

Kłobukowska failed a traditional gender test for European Cup women's track and field competition in Kiev in 1967 and was subsequently banned from competing in professional sports.[1] According to the IAAF she had "one chromosome too many". Medical publications revealed that Klobukowska is a genetic mosaic of XX/XXY. If she had been tested one year later at the Mexico Olympics she would have been eligible on the grounds that she was Barr Body positive. Klobukowska has a Barr Body in all of her cells. Athletes without such a Barr Body (inactive X-chromosome) were suspended from competition by 1968 in Mexico City. She gave birth to her son in 1968, and thus must have had a genetic abnormality.[citation needed] Her humiliation led to a change in the gender verification policies by the International Olympic Committee, which from then on kept test results secret.[2]

See also[edit]


  1. ^ Ferguson-Smith, M. A., and E. A. Ferris. Genderverificationinsport:theneedforchange? British Journal of Sports Medicine 25.1 (1991): 17-20.
  2. ^ Schultz, Jaime (2012). "Disciplining Sex: 'Gender Verification' Policies and Women's Sports". In Helen Jefferson Lenskyj. The Palgrave Handbook of Olympic Studies. Stephen Wagg. Palgrave Macmillan. pp. 443–60. ISBN 9780230367463. Retrieved 2 March 2015. 

External links[edit]