Every child walks in a little unsure. Maybe they're shy. Maybe they're full of energy but need direction. Maybe they're brave — until something feels hard.
That's where the journey begins. Through structured progressions and intentional coaching, we guide them through challenges that build strength in body, resilience in mind, and confidence that carries into life.
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Whether it's a first cartwheel or a competition-ready routine, every program is designed to meet athletes exactly where they are.
Early heroes are built through movement. Our KinderGym program introduces coordination, balance, listening skills, and social confidence in a structured and supportive environment. Every obstacle conquered becomes a building block for independence and courage. This is where bravery starts small — and grows fast.
This is where belief replaces doubt. Our recreational program challenges athletes to progress through structured skill development while learning discipline, focus, and perseverance. Each level introduces new physical challenges and new internal growth. They don't just learn skills. They learn what they are capable of.
This is where belief replaces doubt. Our recreational program challenges athletes to progress through structured skill development while learning discipline, focus, and perseverance. Each level introduces new physical challenges and new internal growth. They don't just learn skills. They learn what they are capable of.
Power. Control. Confidence. Our tumbling program develops explosive strength and body awareness while teaching athletes how to safely push their limits. Progress here isn't accidental — it's earned through consistency and mindset. Champions may train here. But heroes are built through the process.
Strength in body. Resilience in mind. Confidence that carries into life.
Every child walks in a little unsure. Maybe they're shy. Maybe they're full of energy but need direction. Maybe they're brave — until something feels hard.
That's where the journey begins.
Through structured progressions and intentional coaching, we challenge kids in the right way — safely, patiently, and consistently. They fall. They try again. They learn to listen. They learn to focus. They learn that effort changes outcomes.
Physical gymnastics builds strength and coordination. Mental gymnastics builds resilience — the ability to handle frustration, take correction, and keep going.
Confidence here isn't about being the loudest in the room. It's about raising a hand. Trying again after falling. Standing taller than they did yesterday.
And the best part? That confidence doesn't stay in the gym. It shows up at school. In friendships. In how they carry themselves when life gets challenging.
This is where effort turns into belief.
This is where kids begin to see who they're becoming.
This is where a hero's journey begins.
Parents don't just enroll their child in a class. They begin a journey.
No wasted rotations. Every class builds on the last with clear skill pathways.
Team culture with personalized coaching. Every athlete gets what they need to progress.
USAG-trained coaches with ongoing professional development and mentorship.
Transparent progression from beginner to advanced. You always know what's next.
We don't chase quick wins. We build foundations that last years, not months.
Gymnastics is the tool. Character is the goal. We build confident humans, not just athletes.
Tell us your child's age and gender, and we'll show you available class times to enroll right away.
Founded by Zachary Stevens in Concord, California, Cal Strong began with a simple but powerful belief: gymnastics isn't just a sport—it's the foundation for every sport, and more importantly, for life itself.
Your child's development, safety, and joy come before trophies or Instagram posts.
Professionally trained coaches with proven progressions that maximize learning and safety.
Children first, sports second. We build confident, respectful, resilient athletes.
Families drive 30 minutes each way because they've found something irreplaceable.
Real stories from real families in our community
"We love California Strong Athletics! Their expert coaches are kind and motivating. I can't believe how my daughter's skills have developed over the couple of years she has been here. I recommend it to everyone—especially if your kids actually want to learn gymnastics skills vs just doing obstacle courses."
"My son is absolutely OBSESSED with California Strong! He begs to go every day and can't wait for his next class. The coaches are truly invested in each child's development. It's clear they're not just teaching gymnastics, but building confident athletes. It's been a game-changer for my son's physical and emotional growth!"
"My daughter has blossomed here. So much fun but with direction. Super personable approach. Kind and fun (!) coaches. The gym itself is well kept with a very nice waiting area for parents. Super, super happy we found this place."
"Both of my kids are enrolled and they absolutely love it! The staff is incredibly accommodating—they helped us find overlapping class times so I could watch both kids without running between locations. The facility is clean, professional, and the coaches genuinely care about each child's progress. Worth every penny!"
"The competitive team program here is top-notch. My daughter went from recreational gymnastics to competing at Level 5, and the coaching has been exceptional every step of the way. They push the athletes while keeping it fun and supportive. The team culture is unlike anything we've experienced—true community and genuine care."
"What sets Cal Strong apart is the intentional skill progression. My son isn't just doing random flips—he's learning proper technique from USAG-certified coaches who break down every movement. In six months he went from struggling with cartwheels to confidently performing back handsprings. These coaches know their stuff!"
Ask any coach, trainer, or athlete what separates good athletes from great ones, and they'll tell you: it's the fundamentals. Body awareness. Balance. Strength. Flexibility. The ability to think quickly, adapt, and recover.
Gymnastics builds all of this faster and more completely than any other sport. It's not just about gymnastics—it's the foundation for every sport, and for life itself.
Develops full-body strength, core stability, and functional power athletes need for every sport.
Spatial awareness and body control that translates to faster learning in any athletic activity.
Builds resilience, focus, and the ability to overcome fear and push past limits.
Every mastered skill builds self-confidence and teaches discipline, perseverance, and goal-setting.
We offer programs for ages 1.5 through 18+. KinderGym (1.5-5.5), Recreational Gymnastics (5.5-14), Tumbling (5.5-16), Competitive Teams (5-18), and Adult Gymnastics (16+).
KinderGym starts at $125/month. Recreational Gymnastics (Levels 1-2) and Tumbling start at $145/month. Rec Level 3 starts at $170/month. We offer flexible month-to-month memberships with three tiers (Kickoff, Platinum, Ultimate). You can upgrade or downgrade anytime through your portal.
Yes! We offer a 30-day trial. Enroll, attend all your scheduled classes for 30 days, and if your child isn't absolutely loving it, we'll refund your tuition. The catch? You have to actually show up—one class isn't enough to know if gymnastics is right. Total risk: just the $75 annual insurance fee (non-refundable).
Absolutely! All our coaches are USAG (USA Gymnastics) certified and trained in safety, progressions, and age-appropriate instruction. Many competed at collegiate and international levels.
Comfortable athletic wear that allows full range of motion. Leotards, athletic shorts, and fitted t-shirts work great. No jeans or baggy clothing. Bare feet or gymnastics shoes only—no socks.
Yes! We have a comfortable viewing area where parents can watch their children during class. We find that some younger kids focus better without parents in the gym initially, but you're always welcome to observe.
Log into your portal or email info@californiastrongathletics.com before the last day of the month to avoid being charged for the next month. Our memberships are flexible month-to-month with no long-term contracts.
We don't offer traditional makeup classes. Instead, every membership includes 1-2 bonus classes per month depending on your tier. Use these as makeups when needed or for extra practice.
We do our best to coordinate schedules for families! Email info@californiastrongathletics.com with your kids' ages/programs and we'll help find overlapping class times. Plus, you'll get a 20% sibling discount.
Yes! Since they're priced the same, you can use one Platinum membership ($185/month) for 1 Rec class + 1 Tumbling class per week. This is more cost-effective than two separate memberships.
From first cartwheel to big dreams—this is where your child's journey begins. Our community is waiting to welcome you.
Daily moments, athlete wins, and behind-the-scenes at Cal Strong
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