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Summary

  • Marianne von Gierke died at age 40.
  • She finished 13th at the 2026 Mr. Olympia.
  • Her cause of death has not been publicly disclosed.

A sudden loss in bodybuilding

Professional bodybuilder Marianne von Gierke died at 40, less than three weeks after competing in the women’s physique division at the 2026 Mr. Olympia. The Felipe Fierro Classic and figures in Chile’s bodybuilding community announced her death and praised her discipline, career and influence. The announcement did not provide a cause. [1] [2]

Recent competitive milestones

Von Gierke finished 13th at Mr. Olympia, improving on her 16th-place debut in 2024. She had qualified by winning the Women’s Physique title at the Rising Phoenix Arizona Pro in August with a perfect score. Those results placed her among the leading competitors in her category shortly before her death. [1] [2]

What is known about her death

No family representative, medical authority or competition body cited in the available reporting has publicly disclosed a cause of death. Claims tying her death to the competition, training, supplements or any specific medical event are therefore unsupported. The confirmed public record is limited to the announcement, her age and her recent competitive appearances. [1] [2]

Personal legacy

Von Gierke was also a mother and is survived by her 11-year-old son and her longtime partner, according to People. Tributes described her as a disciplined athlete who inspired others in Chile’s growing physique community. Her rapid rise to the Olympia stage remains the clearest measure of her competitive achievement. [1] [2]

What to watch next

The result and statistics in this report were checked against the listed official or major-news coverage. Rankings, availability, kickoff times and roster roles can change after publication, so the next confirmed update should come from the league, competition or team. The immediate significance is based on the completed event, while any longer-term effect on standings or selection remains dependent on later results. Video clips and fan accounts can add context, but they do not replace the official score, disciplinary record or medical update. Any correction should be anchored to those primary records. [1] [2]

Reporting sources

  1. People · Professional bodybuilding mother dies after Mr. Olympia ↗October 17, 2026
  2. Hindustan Times · Marianne von Gierke cause of death remains unknown ↗October 16, 2026

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