Marianne Yvonne Heemskerk (born 28 August 1944 in Rotterdam, South Holland) is a former butterfly swimmer from the Netherlands, who won the silver medal in the 100 m butterfly at the 1960 Summer Olympics in Rome, Italy. She was also part of the 4 × 100 m medley relay team that finished fourth. She also participated in the 1964 Summer Olympics but did not reach the finals.[2] Heemskerk broke the world record in the women's 200m butterfly on 12 June 1960 in Leipzig, East Germany.

Marianne Heemskerk

Marianne Heemskerk in 1960
Medal record
Women's Swimming
Representing the  Netherlands
Olympic Games
Silver medal – second place 1960 Rome 100 m butterfly
European Championships[1]
Bronze medal – third place 1962 Leipzig 100 m butterfly

References

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  1. ^ EUROPEAN SWIMMING CHAMPIONSHIPS (WOMEN). gbrathletics.com
  2. ^ Marianne Heemskerk. www.sports-reference.com
Records
Preceded by Women's 200 metre butterfly
world record holder (long course)

12 June 1960 – 13 August 1961
Succeeded by