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
	1960 Rome	100 m butterfly
European Championships[1]
	1962 Leipzig	100 m butterfly

References

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Records
Preceded by Becky Collins	Women's 200 metre butterfly world record holder (long course) 12 June 1960 – 13 August 1961	Succeeded by Becky Collins

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На других языках

[it] Marianne Heemskerk