Woody Sims Kajukenbo

Woody Sims Kajukenbo

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We offer AMAZING martial arts programs for all ages! Find something special at Woody Sims Kajukenbo Kids will LOVE our classes!

Come and try our FUN and SAFE classes with one of the most EXPERIENCED martial arts instructors in Vallejo!!!! Woody Sims Kajukenbo SPECIALIZES in self-defense for all ages. Adults...get in great shape and learn to DEFEND yourself at the same time! They'll meet new friends and develop into amazing adults.

01/23/2026
08/30/2025

Fired up!!! Serving starts at 12, gimme a call for pick up times!!!!

Photos from Woody Sims Kajukenbo's post 08/12/2025

Belt Promotion August 4 2025
Blue Rock Springs

06/08/2025

Dear Parents and Students,

I wanted to reach out personally and let you know that, due to a family emergency, we are unable to hold today’s belt promotion ceremony as planned. We’re truly sorry for the short notice and any inconvenience this may cause.

We know how hard your child has worked to earn their next rank, and please rest assured — those belts will be delivered soon. We’re already working on getting everything rescheduled or distributed in class this week so your child still gets the recognition they’ve earned.

Thank you for your understanding and continued support. If you have any questions or concerns, feel free to reach out.

With appreciation,
Team Woody Sims Kajukenbo

02/28/2025

"We do not rise to the level of our expectations; we fall to the level of our training." – Archilochus

Success isn’t built on motivation alone—it’s built on disciplined habits.

www.woodysimskajukenbo.com

02/27/2025

"Seek first to understand, then to be understood." – Stephen R. Covey

True wisdom comes from listening, not just waiting for your turn to speak.

www.woodysimskajukenbo.com

02/26/2025

"Integrity is doing the right thing, even when no one is watching." – C.S. Lewis
Integrity isn’t about what we do when eyes are on us—it’s about who we are when no one is looking.
www.woodysimskajukenbo.com

02/14/2025

There’s something special about stepping onto the mat as a family. It’s not just about learning punches, kicks, or self-defense—it’s about the shared experience, the laughter, and the little moments of growth together.

Training side by side, parents and kids develop a deeper understanding of each other. There’s a unique kind of encouragement that happens when a child sees their parent learning something new, and when a parent watches their child push through a challenge.

It’s time spent together, away from screens and distractions, focused on movement, discipline, and fun. The high-fives after a tough drill, the shared pride in small victories, and the teamwork—it all adds up to something bigger than just a workout.

Martial arts has a way of strengthening not just bodies, but family bonds. Because in the end, families who kick together, stick together. 🥋💙

02/13/2025

How Martial Arts Builds Confidence in Kids

Confidence is one of the most important qualities a child can develop—it helps them navigate challenges, stand up for themselves, and believe in their abilities. At Woody Sims Kajukenbo, we see firsthand how martial arts transforms kids, giving them the confidence they need to thrive in all areas of life.

1. Mastering Challenges Builds Self-Belief
Martial arts is all about setting goals and achieving them. Whether it’s learning a new kick, earning their next belt, or perfecting their form, students face challenges that push them outside their comfort zone. Every time they succeed, they realize they’re capable of more than they thought. That sense of accomplishment fuels their self-belief and carries over into school, sports, and life.

2. Overcoming Fear & Building Resilience
It’s normal for kids to feel nervous when trying something new, but martial arts teaches them to push past that fear. Whether it’s stepping onto the mat for the first time, sparring with a partner, or breaking a board, martial arts helps kids embrace challenges instead of avoiding them. With each success, their fear shrinks, and their confidence grows.

3. Learning Discipline & Focus
Confidence isn’t just about believing in yourself—it’s also about having the discipline to put in the work. In martial arts, students learn patience, focus, and persistence. They see that progress takes time and effort, and that builds an inner confidence that helps them tackle anything life throws their way.

4. Feeling Strong & Capable
Physical strength and coordination play a big role in confidence. When kids train in martial arts, they feel stronger, faster, and more in control of their bodies. They develop better posture, stand taller, and move with purpose—all of which naturally boost confidence.

5. Developing Social Confidence
Many kids struggle with shyness or social anxiety, but martial arts provides a supportive community where they can connect with others. They learn to work as a team, communicate clearly, and support their peers. Over time, they become more comfortable speaking up, making friends, and leading by example.

6. Standing Up for Themselves
One of the most powerful aspects of martial arts is that it teaches kids self-defense—not just physically, but mentally and emotionally. They learn how to set boundaries, handle bullies, and stand tall in difficult situations. Knowing they can defend themselves if necessary gives them a sense of security that radiates confidence.

Confidence That Lasts a Lifetime
Martial arts is more than just punches and kicks—it’s a confidence-building journey that shapes kids into strong, resilient, and self-assured individuals. At Tyrrell Martial Arts, we take pride in helping children grow into the best versions of themselves, both on and off the mat.

Want to see your child’s confidence soar? Come try a class with us and experience the difference firsthand!

02/13/2025

Exciting News: Brazilian Jiu-Jitsu Now at Woody Sims Kajukenbo Vallejo!

We’re thrilled to introduce Brazilian Jiu-Jitsu (BJJ) classes to our curriculum, bringing another powerful dimension to our training!

🗓 Starting Wednesday Evenings
👦 Kids BJJ (Ages 6-12): 6:00 PM
👨‍👩‍👧‍👦 Teens & Adults BJJ: 7:00 PM

💥 Special Offer: FREE BJJ Training Until St. Patrick’s Day! 💥
That’s right—classes are free for all students AND their family members (even if they aren’t enrolled in our regular program) until March 17th!

Meet Your Instructor: Professor Ron Baker
A lifelong martial artist, Professor Ron brings over 50 years of experience in Kenpo, boxing, sport karate, and jiu-jitsu. After earning his Mixed Martial Arts Conditioning Specialist certification from NASM, he immersed himself in Gracie Jiu-Jitsu in 2010. With years of coaching youth and adults across the country, he now shares his deep knowledge of the jujitsu component of Kajukenbo with our Vallejo community.

This is an amazing opportunity to train with a seasoned expert, build confidence, improve self-defense skills, and grow together as a family.

🔹 Spaces are limited! Don’t miss out on this chance to experience the art of Brazilian Jiu-Jitsu at no cost until March 17th!

📍 Woody Sims Kajukenbo Vallejo
📅 Every Wednesday | Starting This Week!

See you on the mat! OSS!

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Location

Address


609 Carolina Street
Vallejo, CA
94590

Opening Hours

Monday 5pm - 8:30pm
Tuesday 5pm - 8:30pm
Wednesday 5pm - 8:30pm
Thursday 5pm - 8:30pm
Friday 6pm - 8pm