• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
Fitness

The workout routine that leaves this 82-year-old fitness instructor feeling like he’s 50

By
Ani Freedman
Ani Freedman
Fellow, Fortune Well
Down Arrow Button Icon
By
Ani Freedman
Ani Freedman
Fellow, Fortune Well
Down Arrow Button Icon
March 5, 2025, 8:31 PM ET
Harry King encourages everyone to find a form of exercise they enjoy to stay feeling young and fit into old age.
Harry King encourages everyone to find a form of exercise they enjoy to stay feeling young and fit into old age.Getty Images

For Harry King, an 82-year-old personal trainer, it was an arthritis diagnosis that inspired his fitness journey. 

Recommended Video

When he was in his 60s, a doctor diagnosed him with arthritis in his knees and told him to limit walking. King did as the doctor advised, but the lack of activity caused him to gain weight and feel worse overall, he recalls. King decided to find other ways to move his body, and began exercising regularly on the stationary bike and lifting weights.

Not long after starting his arthritis-friendly workout routine, King was able to work up to hiking long distances. Fitness then became central to his lifestyle, and soon, a second career.

From senior VP to fitness professional

A former senior vice president of sales and marketing for an insurance company, King was always passionate about supporting his team—a passion he has rekindled with his post-retirement work. 

“My purpose in life that I identified a long time ago was to help others get better,” King tells Fortune.

Now, as a personal trainer at his local Planet Fitness gym, King conducts one-on-one sessions with clients and teaches strength-training classes.

“I work with a lot of people 50 and above to train them so they reduce the number of falls they have, and work on balance and strength in all areas of the body,” he says.

King is a testament to the power of lifting weights, which improved his bone density and strengthened his arthritic knees. After defying his diagnosis, he now sticks to a regular workout routine that keeps him walking his dog, kayaking, and hiking as much as he wants—in addition to all of the classes he teaches and clients he works with.

Older adult lifting weights at a gym
King lifts weights at least three to four times per week.
Courtesy of Harry King

King’s workout routine

Depending on the day, King gets tot the gym at 6:00 a.m. or 12:00 p.m. to start his eight-hour shift.

While there, he squeezes in his own workout. He lifts weights three to four days a week, and does 20 to 30 minutes of cardio on the stationary bike to warm up before lifting and on his non-strength days.

In addition to his workouts and the classes he teaches, King loves to take his dog for an hour-long walk or hike for hours in the state park behind his house.

All of this movement leaves King feeling like he’s 50 years old, he says. Nowadays, he has no trouble regularly going on 25-mile hikes.

“The key I think is not chronological age but body age and mental age,” King says. “How do I feel? How do I want to feel? How do I make myself feel? I’m not ready to sit down and not do anything.”

King advises not only to keep moving, but also to find a form of exercise that you love to keep you consistent—that is what he thinks has kept him feeling young.

“The best way to do that is to keep busy, and exercise on a regular basis,” he adds.

older man exercising at the gym
King’s workout motivation comes from knowing that it enables him to keep going for long hikes with his dog.
Courtesy of Harry King

It’s never too late to get started

King is far from the oldest person at the gym. 

“I had one guy that was 92 that was going to start exercising,” says King, recalling a previous client with a weak hip who started to improve after consistent cycling and weight training. “It improved his quality of life a lot—I could see the difference,” he adds.

King strongly recommends everyone, but particularly older adults, work with a personal trainer who can tell you which exercises to do based on your goals and who can ensure you’re using the right form. When King first joined the gym, he was mostly on the stationary bike; but soon, he befriended a personal trainer who clued him into how to get started with weights.

Read more from Fortune

  • Medical researchers baffled by Trump administration’s stop work order for clinical trial system: ‘A giant step backwards’
  • Bosses are making a major mistake that’s fueling stress at work, the CEO of Calm warns
  • Michelle Obama on a common parenting mistake that keeps kids from learning
  • 2 ways to drastically reduce your microplastics exposure
  • Why you should be walking after every meal, according to science
  •  

    King believes the foundation of weight training is your core—and not just your abs. Your core also includes your lower back and glutes, so squats and hinges are helping build your core strength and overall stability, he says.

    “If you can work on that section of your body, it helps control the rest of your body,” he says.

    King recognizes that it’s not always easy for older adults to be motivated to exercise regularly. His trick is to remember that the time he puts in at the gym allows him to enjoy life.

    “It’d be easy for me to go home and not do anything. I’ve got a lot of life to live I hope, and I do that by working out,” King says. “I’ve never let being physically [unfit] keep me from doing something I want to do.”

    For more on aging well:

    • 4 expert-backed strategies that will help you age gracefully
    • Forget millennials: Baby boomers may soon be the biggest players in the self-care economy
    • Women over 40 swear by a simple hack to build strength and counter aging
    • A study on the Mediterranean diet offers the strongest proof yet that it’s associated with healthy brain aging
    Join us at the Fortune Workplace Innovation Summit May 19–20, 2026, in Atlanta. The next era of workplace innovation is here—and the old playbook is being rewritten. At this exclusive, high-energy event, the world’s most innovative leaders will convene to explore how AI, humanity, and strategy converge to redefine, again, the future of work. Register now.
    About the Author
    By Ani FreedmanFellow, Fortune Well
    LinkedIn icon

    Ani Freedman is a fellow on the Fortune Well team.

    See full bioRight Arrow Button Icon

    Latest in

    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025

    Most Popular

    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Finance
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
    By Fortune Editors
    October 20, 2025
    Fortune Secondary Logo
    Rankings
    • 100 Best Companies
    • Fortune 500
    • Global 500
    • Fortune 500 Europe
    • Most Powerful Women
    • Future 50
    • World’s Most Admired Companies
    • See All Rankings
    Sections
    • Finance
    • Fortune Crypto
    • Features
    • Leadership
    • Health
    • Commentary
    • Success
    • Retail
    • Mpw
    • Tech
    • Lifestyle
    • CEO Initiative
    • Asia
    • Politics
    • Conferences
    • Europe
    • Newsletters
    • Personal Finance
    • Environment
    • Magazine
    • Education
    Customer Support
    • Frequently Asked Questions
    • Customer Service Portal
    • Privacy Policy
    • Terms Of Use
    • Single Issues For Purchase
    • International Print
    Commercial Services
    • Advertising
    • Fortune Brand Studio
    • Fortune Analytics
    • Fortune Conferences
    • Business Development
    • Group Subscriptions
    About Us
    • About Us
    • Editorial Calendar
    • Press Center
    • Work At Fortune
    • Diversity And Inclusion
    • Terms And Conditions
    • Site Map
    • About Us
    • Editorial Calendar
    • Press Center
    • Work At Fortune
    • Diversity And Inclusion
    • Terms And Conditions
    • Site Map
    • Facebook icon
    • Twitter icon
    • LinkedIn icon
    • Instagram icon
    • Pinterest icon

    © 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
    FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.


    Latest in

    Man in a suit touches servers in a rack.
    Investingfraud
    Supermicro’s co-founder was just arrested for allegedly smuggling $2.5 billion in GPUs to China
    By Amanda GerutMarch 19, 2026
    3 hours ago
    test
    EconomyGen Z
    Gen Z’s straight‑A boom is quietly shrinking their paychecks
    By Jake AngeloMarch 19, 2026
    9 hours ago
    Melissa Ben Ishay attends The Build Series to discuss Baked By Melissa at AOL HQ on October 14, 2016 in New York City.
    C-SuiteFood and drink
    Baked by Melissa’s founder was fired at 24. Two decades later, she’s ‘so freaking thrilled’ to step down as CEO
    By Eva RoytburgMarch 19, 2026
    10 hours ago
    CryptoCryptocurrency
    France is experiencing wave of crypto assault. One involved an influencer’s father doused with gasoline 
    By Carlos GarciaMarch 19, 2026
    11 hours ago
    long lines TSA
    North AmericaAirline industry
    War, oil, and an unpaid TSA: The perfect storm of travel chaos feels like the pandemic all over again
    By Catherina GioinoMarch 19, 2026
    11 hours ago
    InnovationUber Technologies
    Uber will operate its own robotaxis again—this time with Rivian’s not‑yet‑built EVs
    By Jessica MathewsMarch 19, 2026
    11 hours ago