|Olympic medal record|
|1936 Berlin||coxed fours|
In 1936 he won the bronze medal as crew member of the French boat in the coxed fours competition.
- Jean Marcel Cosmat's profile at Sports Reference.com
- Jean Marcel Cosmat receives the French National Order of Merit in May 2008 (in French)
- Notice of Jean Marcel Cosmat's death[permanent dead link] (in French)
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