Bodybuilding Champion Marianne von Gierke Dies at 40 Just Two Weeks After Mr. Olympia

Marianne von Gierke, a 40-year-old professional bodybuilder and mother from Chile, has died just two weeks after competing in the prestigious Mr. Olympia competition.

Her death was announced on October 14, 2026, by the Felipe Fierro Classic bodybuilding community. The announcement paid tribute to her dedication, discipline and achievements in the sport. Her cause of death has not been publicly disclosed.

Von Gierke competed in the Women’s Physique category at the 2026 Mr. Olympia, finishing in 13th place. It was her second appearance at the event, following her debut in 2024, when she placed 16th.

She turned professional in 2021 and also worked as a fitness trainer. Earlier this year, she won the Women’s Physique title at the Rising Phoenix Arizona Pro, earning her place at Mr. Olympia.

Beyond competition, Marianne was a mother to an 11-year-old son and shared her fitness journey with followers online. In a social media post shortly before her death, she expressed gratitude to her longtime partner, Juan Cofré García, for supporting her through the demanding preparation required for bodybuilding competitions.

Her passing has prompted tributes from members of the bodybuilding community, who remembered her commitment to the sport and the mark she left on those around her.

No cause of death has been confirmed publicly, and there is currently no verified information linking her death to the competition.

Source: PEOPLE | New York Post