Lifting weights reveals a lot about your leadership.
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JFK said, “Physical fitness is the basis of dynamic and creative intellectual activity.” Executive calendars often include combat training, marathon prep, or intense strength training. The research connecting leadership, executive effectiveness, and exercise has been discussed from nearly every angle.
A few years ago, an entrepreneur tracked the growth of companies with CEOs who lifted weights or did combat sports compared to the S&P 500. The “Deadlift ETF” outperformed the S&P 500 by 140%—2.4 times over four years.
Leaders who train tend to show up differently: more regulated, more energized, and more focused. This prompts a deeper question: what truly drives these results?
When the Gym Becomes A Leadership Laboratory
Entering the gym, I expected one outcome—yet over time, something unexpected emerged. When under the bar or lifting heavy and you fall short, what happens next reaches far beyond the training itself.
In such moments, a window opens into something leaders rarely experience: unfiltered feedback.
The higher someone climbs, the more the world around them adjusts to their preferences rather than their blind spots and areas for improvement. The gym doesn’t do that. The bar doesn’t negotiate.
It serves as a mirror that reveals character. Most underrated: It reveals how someone responds when they come up short. And the beauty of this is that no external force can be blamed.
Stanford psychologist Carol Dweck explored this notion in her groundbreaking book Mindset: The New Psychology of Success. Her research found that the most effective leaders weren’t the larger-than-life charismatic types who projected confidence and ego. They were the ones who could confront the most brutal answers, including their own failures and shortfalls, and stay curious anyway.
The gym puts that to the test every single session. Two leaders can miss the same lift or fall short on their desired reps and walk out entirely different people. One sees failure as feedback and extracts information from it, while the other protects their identity from it.
The Overlooked Leadership Lesson Left On The Floor
Ambitious go-getters often draw the wrong lesson from training. They focus on trophies such as discipline, identity, body transformation, success stories, reinforcement from others, and, sometimes, a sense of superiority.
But the true gift is left on the floor: genuine, private humility. No board to impress, no team to perform for—just you, the weights, and the gap between perception and capability in this exact moment.
That gap is the most valuable leadership data most executives will encounter all week. As NFL head coach Sean Payton, who borrowed it from his mentor, Bill Parcells, tells his players: “Don’t eat the cheese.”
The climb higher makes it dangerous to appear uncertain or unfinished. Superhero narratives and discipline return to the office while humility stays in the gym, and teams feel that absence.
The Leadership Advantage Hidden In Humility
The leaders who extract the right lesson from the gym don’t talk about it much. It shows up elsewhere: how they respond when a project fails publicly, how they stay present in a difficult conversation rather than manage it, and how they create space for their team to be unfinished without penalty.
They’ve learned what most leadership development programs never teach: tolerating your own inadequacy with curiosity instead of defensiveness is one of the rarest and most transferable skills a leader can carry into any room.
This is learnable, but it also requires a significant surrendering of ego—as I continue to learn. And it’s only possible if you’re honest about what you’ve actually been taking home from the gym. The discipline is the leading actor who gets the spotlight. But humility is the entire crew that makes it possible for the actor to perform.
Discipline in leadership can make you a better performer. But humility makes you a better leader, and a harder one to replace or for the competition to catch.