Arnold Schwarzenegger’s son wins bodybuilding debut at NPC competition

Arnold Schwarzenegger knows how to build a body.

The “Terminator” star’s son, Joseph Baena, returned home a winner Saturday after taking first place in a handful of categories at the NPC Natural Colorado State Drug-Free Competition.

“Mission accomplished,” Baena wrote online as he celebrated his bodybuilding debut on social media.

Arnold Schwarzenegger passes the bodybuilding torch to resemble his son Joseph Baena

Joseph Baena had an incredible debut in bodybuilding. (Michael Tran)

Baena, 28, won first place in the men’s open bodybuilding heavyweight class, true novice men’s classic physique class and novice men’s classic physique class, and won second place in the men’s classic physique open C class.

Over the weekend, Baena took his followers through the competition as he prepared to show off his hard work to the judges.

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“Tanned and taped! Ready for tomorrow’s show,” Baena wrote in a carousel of backstage images.

He thanked his friends and family for their sweet messages, but admitted there was still more work to do.

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“It’s time to do it again Saturday,” he wrote on a flex image from the stage in Colorado.

Joseph Baena showed off his muscles during a walk in Santa Monica after the competition. (Bellocqimages/Bauer-Griffin)

Joseph Baena went shirtless to Santa Monica after his bodybuilding debut. (Bellocqimages/Bauer-Griffin)

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The event, which is a national qualifier, is also part of the NPC natural athletes’ journey to the Olympia.

Schwarzenegger won seven Mr. Olympia titles throughout his bodybuilding career, set a record of six consecutive victories, and was the youngest winner in history in 1970, at the age of 23.

WATCH: ARNOLD SCHWARZENEGGER TRAINS LOOK-Alike SON JOSEPH BAENA AT THE GYM AS THE BODYBUILDING BUZZ GROWS

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Representatives for Schwarzenegger did not immediately respond to Fox News Digital’s request for comment.

Last week, Baena shared a glimpse of her workout routine with the “Kindergarten Cop” actor training her on the sidelines.

“You have to shock the muscles!” he captioned a snap with his famous bodybuilder father.

In a video obtained by Fox News Digital, Schwarzenegger carefully adjusted Baena’s positioning to ensure optimal muscle growth.

Arnold Schwarzenegger won seven Mr. Olympia titles throughout his bodybuilding career. (Jack Mitchell)

Joseph Baena took to Instagram to show off his outfit for the “Disney” themed party on “Dancing With the Stars.” (Instagram/Getty Images)

Baena has carved her own path — from acting roles, including the 2024 action thriller “Gunner,” to landing a cover for Men’s Health — all while drawing inevitable comparisons to her father.

“It’s been a year of tremendous growth for me, discovering who I am and being really secure… confident… regardless of the challenges, regardless of the comparisons,” Baena previously told Fox News Digital.

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Baena added, “The message I wanted to convey was that there are a lot of people with very accomplished parents…and it’s scary. It’s scary to be compared to these giants and to feel like you have to live up to those expectations.”