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Marathon Training and Joint Health with Previnex Partner Trevor Spencer

September 17, 2025
Marathon Training and Joint Health with Previnex Partner Trevor Spencer

One reason our Previnex Partners are so inspiring: wellness isn’t a trend for them, it’s a core value that shapes their daily lives. They invest in their health so that they can stay active for years to come, because for them, that’s what it means to live with energy and purpose.

Previnex Partner Trevor Spencer embodies this ethos. Inspired by his wife, he went from a self-described “desk potato” to an athlete who has completed 24 marathons in 10 countries.

Today, Trevor channels that passion into helping runners stay healthy as host of the Marathon Training Academy Podcast. Previnex is a proud supporter of Trevor’s work—we’ve sponsored the podcast for 3 years and counting, and we’re excited to share his story with you.

Fitness is Freedom: Trevor’s Path to Wellness

When Trevor’s wife encouraged him to start running, he had no idea it would spark a complete lifestyle transformation. “Running my first marathon was the hardest thing I’ve ever done,” he recalls. But the challenge lit a fire under him—he started eating healthier, learning about nutrition and movement, and making wellness a daily priority.

Investing in his wellness has opened up a world of new experiences. “Health and fitness means the freedom to move, explore, and live life to its fullest. My passion for running has taken me to many countries around the world—running marathons, climbing mountains, and exploring nature.”

Joint Health and Preventing Joint Pain for Athletes

At 45, Trevor’s list of activities keeps growing. He runs, hikes, climbs mountains, plays basketball, and practices Japanese martial arts. That kind of variety puts big demands on his body, so fueling and protecting it is non-negotiable. For Trevor, Joint Health PLUS® is key to making sure he can keep doing the things he loves.

When he first began training in Nihon Jujutsu—think wrist locks, judo throws, and plenty of physical strain—he injured his wrist. Expecting a long recovery, he was surprised by how quickly he bounced back. That’s when it clicked: Joint Health PLUS® wasn’t just working quietly in the background, it was making a real difference. With his daily supplement and proper rest, Trevor was back to consistent training in no time.

“I hear others complain about knee pain and joint pain, while I (thankfully) don’t have any of those issues, though I demand a lot from my joints.” That’s exactly why we created Joint Health PLUS®: to help active people keep doing what they love, without pain holding them back.

Trevor and Previnex: Championing Health Together

Previnex is grateful to have Trevor as a partner and advocate. The Marathon Training Academy Podcast impacts thousands of runners worldwide, and his experience, energy, and love for the sport inspire our community, too. Trevor’s review of Joint Health PLUS®? “Every active person needs to take a joint supplement like Joint Health PLUS®.”

Trevor also shares our belief that great health should create greater good. “Previnex goes above and beyond—they even give free kids’ Super Vites® to impoverished children through their Get Health, Give Health® program, which is super cool! It really is a no-brainer.”

Through his podcast and community engagement, Trevor helps raise awareness about the importance of joint health and overall wellness. Our partnership shows that when individuals and brands come together around shared values, we can make a meaningful impact on athletes, families, and communities worldwide.

Join the Previnex Ambassador Program

For Trevor, health has always been about more than just fitness. It’s about freedom. “Life is too short to sit around! Great health means greater freedom of movement—the freedom to explore nature, climb mountains, and do the things you love. Just make sure that you’re being intentional about injury prevention and maintenance. I wholeheartedly recommend Previnex!”

We’re fortunate to work with partners and ambassadors who live out their passion for health every day and share it with their communities. The Previnex Ambassador Program exists for people who believe in the power of great health and want to inspire others to thrive, as athletes and as humans. Previnex Partners and Ambassadors like Trevor, Jason Fitzgerald, and Selene Yeager, along with many others, remind us that together, we can make a greater impact than we ever could alone.

Whether you’re an athlete, a coach, or simply committed to wellness, being a Previnex Ambassador gives you the chance to maximize your impact in your community and beyond. If you’re ready to create health, we’d love to partner with you, too. 

Learn more and apply to become a Previnex Ambassador here. Let’s build a healthier future together.

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