Frits de Ruijter
Frits de Ruijter (5 April 1917 – 20 March 2012) was a Dutch middle-distance runner. He competed in the men's 800 metres and men's 1500 metres events at the 1948 Summer Olympics. References

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1917 births
2012 deaths
Athletes (track and field) at the 1948 Summer Olympics
Dutch male middle-distance runners
Olympic athletes for the Netherlands
Athletes from Rotterdam