Chilean professional bodybuilder and mother Marianne von Gierke has died at the age of 40, stunning the global fitness community.
Her sudden passing comes just two weeks after competing on stage at the 2026 Mr. Olympia in Las Vegas.
The two-time Olympian was celebrated across South America as a pioneering IFBB Pro Women’s Physique competitor.
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Here is the complete profile covering her athletic rise, recent Las Vegas performance, and what authorities have shared regarding her untimely death.
Who Was Marianne von Gierke?
Marianne Belen von Gierke Barassi was an accomplished Chilean bodybuilder, personal trainer, and devoted mother who inspired thousands across Latin America.
Beginning her competitive career in 2014, she dedicated over a decade to mastering elite conditioning, symmetry, and muscular presentation.




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