Bertil Karlsson
Karl Bertil Karlsson (19 September 1919 – 31 December 2012) was a Swedish athlete who competed at the 1952 Summer Olympics in Helsinki. He finished 13th in the men's 10,000 metres event and was eliminated in the heats of the men's 5000 metres. He was the Swedish champion in the 4,000 metre cross-country in 1949, the 5000 metre distance in 1950, and the 10,000 metre distance in 1952. References

External links
Bertil Karlsson's profile at the Swedish Olympic Committee 

1919 births
2012 deaths
Swedish male long-distance runners
Olympic athletes for Sweden
Athletes (track and field) at the 1952 Summer Olympics
Sportspeople from Uppsala