Marianne von Gierke, the Chilean IFBB Pro Women’s Physique competitor, lawyer, and personal trainer, left a lasting mark on the bodybuilding world. On October 14, 2026, she passed away at age 40, just weeks after placing 13th at the 2026 Mr. Olympia. As the fitness community mourns, many are searching for details about her personal life—especially her kids. Here’s a clear, respectful look at what is publicly known.
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Who Was Marianne von Gierke?
Marianne Belén von Gierke Barassi grew up in Chile’s Magallanes region near Punta Arenas. She began competing around 2014, earned her pro card in 2021, and steadily climbed the ranks. In 2026 she won the Rising Phoenix Arizona Pro title before returning to the Olympia stage, improving on her 16th-place finish from 2024.
Beyond the stage, she practiced law and coached clients online. Friends and fellow athletes remember her discipline, warmth, and determination. She stayed active on social media until hours before her death, posting congratulations to a friend and thanking her longtime partner.
Marianne von Gierke’s Family Life and Her Kids
Public reports consistently state that Marianne von Gierke was a mother to one child: an 11-year-old son. No name, photos, or further details about the boy have been released, which is understandable given the family’s desire for privacy during this difficult time.
She shared a decade-long relationship with her boyfriend, Juan Cofré García. In a recent post she publicly thanked him for supporting her through the intense demands of contest prep, calling him the person who stood by her “365 days a year.” García later expressed pride in her accomplishments and promised continued support.
Key family facts at a glance: Detail Public Information Children One son, age 11 Partner Juan Cofré García (together ~10 years) Marital status Not publicly married Other family details Not disclosed Cause of death Not released as of October 16, 2026
Balancing Motherhood with Elite Bodybuilding
Raising a child while chasing pro bodybuilding titles is no small feat. Contest prep often means early-morning training, strict nutrition, and travel. Marianne managed to do both while also working as a lawyer and trainer. Her story resonates with many parents in fitness who juggle family responsibilities alongside ambitious goals.
Athletes in her position frequently credit partners and support systems. García’s steady presence appears to have been a major part of that foundation. For those looking to track progress accurately while managing a busy life—whether you’re a competitor or a parent training around school runs—reliable body-composition and performance tools make a real difference. Resources like the precision calibration and sports-science equipment available at gmdcalibration.in help athletes and coaches measure results with confidence.
Recent Events and Tributes Following Her Passing
NPC Worldwide Chile and fellow Chilean bodybuilder Felipe Isaac Fierro announced her death on October 14, 2026. The organization described her as someone who “left an unforgettable mark on bodybuilding” and created a lasting legacy in her category. Tributes poured in from the international fitness community, highlighting her work ethic and the inspiration she provided to other athletes, especially women from South America.
As of October 16, 2026, no official cause of death has been made public. Reports indicate she was taken to a clinic in Punta Arenas in critical condition the night before, but further details remain private.
What stands out about her public journey:
- Turned pro in 2021 after years of amateur competition
- Two-time Mr. Olympia competitor (16th in 2024, 13th in 2026)
- 2026 Rising Phoenix Arizona Pro champion
- Balanced elite sport with law practice and online coaching
- Devoted mother to an 11-year-old son
Conclusion
Marianne von Gierke’s legacy extends beyond placings and titles. She showed that it is possible to pursue excellence in a demanding sport while raising a child and maintaining a professional career. At this moment the focus rightly stays on supporting her family—especially her young son—and respecting their privacy. The bodybuilding community will remember her dedication, her stage presence, and the quiet strength she brought to every preparation.
For athletes and coaches who continue chasing progress with the same seriousness she showed, accurate measurement tools remain essential. Sites such as gmdcalibration.in offer the kind of reliable sports-science and calibration solutions that help turn hard work into measurable results. Rest in peace, Marianne.