Quick scoop: Malibu Fit Maxx appears to be 45 years old , based on a public profile that lists Lee Markham, the fitness creator behind the handle, with a birthday of September 19, 1980.

What I found

  • A profile for Lee Markham says he is the person behind malibufitmaxx and lists his age as 45 years old.
  • Another public snippet describes Malibu Fit Maxx as a combat veteran and fitness influencer.
  • Some search results also mix in unrelated or low-confidence pages, so the clearest age match is the 45-year-old listing tied to the creator profile.

Bottom line

If you mean the TikTok fitness creator Malibu Fit Maxx / malibufitmaxx , the available public info points to 45 years old.