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Mal O’Brien Wiki, Height, Age, Family, Facts, Net Worth

Mal O’Brien is an American emerging CrossFit Athlete, Instagram star, and social media celebrity. She is popular for being Rookie of the Year and the 7th fittest on earth in 2021. She is also known for finishing 3rd at CrossFit Games.

Mal was born and brought up in United States along with her parents and siblings. Being athletic from an early age, she began playing various sports. She found her interest in CrossFit Games and debuted in the game in 2018 and finished 2nd in the junior division. She gained initial popularity in 2019 after finishing 4th in the junior division.

In 2021, Mal won the Rookie of the Year and became the 7th fittest on earth. Besides this, she has accumulated thousands of followers on different social media platforms including Instagram by uploading her working out photos and videos. Various sports and nutrition brands including No Bull, Barebells, and many others have chosen her promoter of their products.

NameMal O’Brien
Nick NameMal
Birth PlaceUnited States
Date Of Birth2003
Age(as of 2021)18 Years
ProfessionCrossFit Athlete

Mal O’Brien Age, Height, and Weight

Mal O’Brien’s age is 18 years (as of 2021). She is 5′ 3″ tall and her weight is approximately 57 kg.


  • Mal O’Brien hails from United States.
  • She is an emerging CrossFit athlete and Instagram star.
  • She is fond of traveling, photography, dancing, and singing.
  • Blue and Red are her favorite colors.
  • Australia is her favoarite holiday destination.

Associated With

Celia Gabbiani is also a popular CrossFit Athlete and Instagram star.

Net Worth 

Mal O’Brien’s net worth as of now, in 2021 is estimated to be more than $500k. The sources of her income are brand promotions, advertisements, and endorsements.

Social Media

View this post on Instagram

A post shared by Mal O’Brien (@malobrien_)


What is the age of Mal O’Brien?

The age of Mal O’Brien is 18 years (as of 2021).

When is the Birthday of Mal O’Brien?

Mal O’Brien’s birthday is in 2003.

How tall is Mal O’Brien?

Mal O’Brien is 5′ 3″ tall.

Where is Mal O’Brien from?

Mal O’Brien is from the United States.

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