Maria "Rie" Vierdag (22 September 1905 – 17 July 2005) was a Dutch freestyle swimmer who competed at the

1924 Events January * January 12 – Gopinath Saha shoots Ernest Day, whom he has mistaken for Sir Charles Tegart, the police commissioner of Calcutta, and is arrested soon after. * January 20– 30 – Kuomintang in China hol ...

1928 Events January * January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly proving the existence of DNA. * January 1 – Eastern Bloc emigration and defection: Boris Bazhanov, J ...

and

1932 Summer Olympics The 1932 Summer Olympics (officially the Games of the X Olympiad and also known as Los Angeles 1932) were an international multi-sport event held from July 30 to August 14, 1932 in Los Angeles, California, United States. The Games were held duri ...

. She won a silver medal in the 4×100 m relay in 1932, setting a European record, and finished sixth in 1924. She failed to reach the 100 m finals at all Games. Vierdag was a European champion in the 100 m in 1927 and in the 4×100 m relay in 1931. In 1927 she finished her 100 m race in the same time as

Joyce Cooper Margaret Joyce Cooper (18 April 1909 – 22 July 2002), later known by her married name Joyce Badcock, was an English competitive swimmer who represented Great Britain at the Olympics and European championships, and England at the British Empire ...

, and an addition trial was arranged between them. Cooper was too tired to attend it, and Vierdag was announced as the winner. Nationally Vierdag set eight Dutch records, yet won only one national title, in the 100 m in 1929.Marie Vierdag
zwemmenindepolder.nl In retirement she worked as a physical education teacher and physical therapist.
sports-reference.com

References

1905 births 2005 deaths Dutch female freestyle swimmers Olympic swimmers of the Netherlands Swimmers at the 1924 Summer Olympics Swimmers at the 1928 Summer Olympics Swimmers at the 1932 Summer Olympics Olympic silver medalists for the Netherlands Medalists at the 1932 Summer Olympics European Aquatics Championships medalists in swimming Sportspeople from Amersfoort Olympic silver medalists in swimming 20th-century Dutch women {{Netherlands-swimming-bio-stub