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| Born | September 8, 1893 | ||||||||||||
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Medal record
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Gustaf Isidor Mattsson (September 8, 1893 – January 15, 1977) was a Swedish athlete who competed mainly in the Cross Country Team.
He competed for a Sweden in the 1920 Summer Olympics held in Antwerp, Belgium in the Cross Country Team where he won the bronze medal with his team mates Eric Backman and Hilding Ekman.