When we think about pushing our physical limits, we often imagine high-tech gear, cutting-edge shoes, and sophisticated training plans. Ken Posner’s approach is precisely the opposite. Known as “Barefoot Ken,” he has completed thousands of miles and over 500 mountain peaks without shoes, demonstrating a radical return to our most natural state of movement.
Photos Courtesy of Ken Posner
Ken’s journey began pragmatically. After experiencing chronic shin splints and running injuries, he turned to barefoot running following the principles in Christopher McDougall’s “Born to Run.” What started as an injury prevention strategy quickly evolved into a transformative lifestyle. Unlike most readers who took the book’s barefoot advocacy as metaphorical, Ken embraced it literally—running marathons, climbing mountains, and eventually living barefoot full-time.
The physical adaptation to barefoot movement was surprisingly straightforward. While most people imagine painful encounters with sharp objects, Ken’s only medical expense over ten years was a $150 visit to remove a piece of glass. The real challenges were mental rather than physical. Barefoot running requires slowing down, paying attention to every step, and surrendering the consistent pace that most runners crave. On smooth surfaces, Ken can move as quickly as in shoes, but rough terrain demands patience and mindfulness.
Perhaps the most profound aspect of Ken’s barefoot journey is what he calls “the original human mindfulness.” When barefoot, large portions of the brain that normally process worry, social media anxiety, and interpersonal conflicts must instead focus on safely navigating terrain. This creates a natural state of presence that many meditation practitioners spend years trying to achieve. As Ken explains, “When you shield your feet with shoes, those parts of your mind start working on other problems, like how much you hate Trump or Biden, or whatever you just saw on social media.”
Beyond running, Ken has undertaken extraordinary endurance challenges. His most notable achievement is completing “the grid”—climbing all 35 Catskill peaks every month for a year, totaling 420 ascents. This project emerged during a period when his corporate career had plateaued and running injuries had limited his outlet for physical challenge. Rather than succumbing to what Thoreau called “quiet desperation,” Ken found purpose and meaning in this structured mountain project.
What makes Ken’s approach particularly insightful is how he connects these physical challenges to spiritual growth. Drawing inspiration from American transcendentalists like Thoreau, Emerson, and Muir, Ken sees his barefoot adventures as opportunities to rediscover our relationship with nature before technology mediated every experience. In the mountains, the modern obsession with identity falls away, revealing a more authentic connection to other living creatures.
Ken’s current goal is to climb 1,000 mountains barefoot before age makes it impossible. At 521 peaks and counting, this multi-year project serves as what he calls a pilgrimage—a structured way to take himself “offline” from conventional life and work on his character. As he poetically observes, “If you drag yourself back and forth across rugged terrain long enough, it might smooth off some of the rough edges of your personality.” 
For those curious about barefoot movement, Ken offers simple advice: try it and listen to what your feet tell you. Many find that after initial discomfort, their feet begin to tingle, craving more sensation and texture. While not everyone needs to pursue barefoot ultramarathons or mountain climbs, simply removing shoes for short walks can reconnect us to a form of mindfulness our ancestors practiced without naming it.
Ken’s story reminds us that sometimes the most profound advances come not from adding complexity but from stripping away what we’ve accepted as essential. In a world fixated on technological solutions, perhaps the wisdom we seek is already beneath our feet—if only we’re brave enough to feel it.
To learn more about Ken and follow along his journey. Check out his website www.barefootken.com.
