OUR STORY

Where Champions Are Built, One Skill at a Time

OUR STORY

Where a Hero's Journey Begins

California Strong Athletics was founded on the belief that sports should shape identity — not just performance.

What began as an opportunity during uncertain times became a mission: to create a place where kids receive structure, mentorship, and true skill progression — not chaos, inconsistency, or shortcuts.

We don't just run classes. We guide journeys.

Every child walks through our doors unsure of what they're capable of. At Cal Strong, we guide them through challenges, milestones, setbacks, and breakthroughs — building confidence, resilience, discipline, and belief along the way. Gymnastics is the tool. Character is the goal.

Zachary Stevens - Founder of California Strong Athletics

Zachary Stevens - Founder

Gymnastics Is the Tool. Community Is the Mission.

California Strong Athletics was founded in Concord with a clear belief: Gymnastics is one of the most powerful developmental tools available to children. It builds:

But the real impact goes deeper. We are not here just to teach skills. We are here to build confident young people and lasting relationships within the Concord community.

From Parent & Tot (starting at 1.5 years old) to KinderGym, recreational gymnastics, tumbling, and competitive pathways, every program is built around long-term development — not short-term performance.

Children first. Sports second. Always.

Why Families in Concord Choose Cal Strong

There are many gymnastics options in the East Bay. Families choose California Strong Athletics because we are intentional about what we build. We operate with:

This is not a drop-in activity center. This is not a win-at-all-costs environment. This is youth development done with purpose — serving families in Concord, Clayton, Walnut Creek, Pleasant Hill, and surrounding communities.

With over 300 active athletes, California Strong Athletics has become one of Concord's trusted youth gymnastics communities — not because of hype, but because of consistency.

1000+
Athletes Trained
300+
Active Members
5.0★
Yelp & Google

More Than Skills — A Community

After thousands of classes and hundreds of athletes, we've learned something important: The kids who thrive are not just the ones learning skills. They are the ones who feel like they belong.

At Cal Strong, relationships matter. Kids grow up together here. Families build trust here. Coaches mentor year after year here.

Gymnastics may bring families through the doors. Community is what keeps them here.

"The energy here is amazing, the coaches are fantastic, led by Zach who is a great guy and sets the tone with kindness, compassion, and a love of teaching kids."
— Parent Review, Yelp

Founder's Message

California Strong Athletics didn't start because I wanted to open a gymnastics gym. It started because I saw a gap.

I saw youth sports environments that were either too soft — no structure, no standards — or too intense — ego-driven, pressure-heavy, built around winning instead of development.

I knew there had to be something better.

I've always believed that kids rise to the level of the leadership around them. If leadership is organized, disciplined, and steady — kids grow in confidence. If leadership is chaotic or ego-driven — kids feel it.

When I built Cal Strong here in Concord, I wasn't thinking about expansion or trophies. I was thinking about responsibility. Responsibility to the kids who walk through our doors. Responsibility to the parents who trust us. Responsibility to build something that would last in this community.

Gymnastics is one of the most demanding sports in the world. It exposes fear. It requires courage. It demands discipline. That's exactly why I chose it as the tool. Because if a child can learn to trust themselves upside down, they can learn to trust themselves anywhere.

But the most important thing we build here isn't skill. It's relationships.

Relationships between coach and athlete. Between families and leadership. Between kids who grow up together year after year.

I want California Strong Athletics to be a place that families talk about ten years from now and say, "That place helped shape my child."

Not because we chased trophies. But because we showed up consistently. We held standards. We cared deeply. And we built something real.

This isn't about being the biggest gymnastics gym in Concord. It's about being the most trusted.

Stronger Together. Community Forever.
— Zachary Stevens, Founder, California Strong Athletics

Start Your Journey

Whether your child is 1.5 years old taking their first structured class, or a competitive athlete pursuing higher goals, there is a place for them here.

All new families begin with our 30-Day Trial, allowing you to fully experience our programs before committing long term.

From first cartwheel to lifelong confidence — this is where it begins.

And once a child learns what they are capable of, there is no limit to where they can go.

Ready to Join Our Community?

Experience the Cal Strong difference. Try us with our 30-day trial.

Atlas the Bear
Atlas

Atlas the Bear

Cal Strong Helper 🐻