Red Dragon Karate Diamond Bar

Red Dragon Karate Diamond Bar

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Lou Casamassa's Red Dragon Karate is an American Original since 1965. Our Mission is to inspire the world through tradition and innovation one lesson at a time.

The American form style of karate taught at each Red Dragon Studio is a combination style of martial arts. It is a very fast and powerful martial arts form that requires each student's desire and effort and commitment to excel.

05/10/2026

Wishing all moms a very Happy Mother’s Day ❤️we thank you for all the love and care you give to us and all that of do. We love you!!

05/06/2026

Join us for our annual Mother’s Day class this Thursday May 7th at 6:00pm. This special class for karate kids and their moms is a tradition for us and a whole lot of fun! Refreshments will be served and all moms that attend will receive a special gift. See you Thursday!

05/05/2026

Day one of our Mother’s Day Week !! Treats for moms this week and the highlight of our week is our Mother’s Day class Thursday May 7 at 6:00pm for moms and their karate kids 🥋Hope to see all of the moms there !!

04/15/2026
04/15/2026

Join us for a prep seminar for California Grand Nationals Saturday April 18 12:30 - 2:00pm $25

04/15/2026

Register today!

Photos from Red Dragon Karate Diamond Bar's post 04/15/2026

Polish your kata, get extra sparring practice

California Grand Nationals prep seminar
Saturday April 18 12:30-2:00pm
$25

04/11/2026

Get ready!
All students are recommended to compete.

California Grand Nationals
April 26th
Citrus College Azusa, CA

03/13/2026

Bring a friend to try RDK and have pizza at the
Buddy Bash!
6:00pm

02/07/2026

Hello Red Dragon Karate Families and Athletes,

Why do we Compete?

Because competition creates urgency — the drive to sharpen techniques, test progress, and measure growth against athletes of the same age and rank. But more than that, competition builds confidence.

At the Compete World Martial Arts Championship, students step outside their comfort zones, face their fears, and discover what they’re capable of. They perform under pressure, learn to focus in front of an audience, and push themselves further than they ever thought possible — all while being supported by teammates from their own studio.

This event isn’t just about winning trophies or medals. It’s one of the most powerful learning tools in martial arts. Competition teaches resilience, composure, discipline, and self-belief. It inspires excellence and gives every competitor — children and adults alike — the chance to shine and reach their full potential.

Students who compete regularly grow faster, perform with greater confidence, and become more proficient martial artists. And the experience stays with them long after the tournament ends.


📍 Compete World Martial Arts Championship
📅 February 20–22, 2026
📍 Ontario Convention Center – Ontario, California

🔥 Register today and be part of an unforgettable competition experience:
👉 [Register Now] https://www.mataction.com/CompeteKarate

Donty forget to use your special discount code-
RDKDB

🏨 Make your hotel reservations early to stay close to the action and secure the best rates:
👉 [Reserve Your Hotel] https://group.doubletree.com/7a23pg

We can’t wait to see our competitors on the floor — focused, confident, and ready to compete.

See you in Ontario!
Team Compete

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Location

Telephone

Address


23545 Palomino Drive
Diamond Bar, CA
91765

Opening Hours

Monday 11am - 9pm
Tuesday 11am - 9pm
Wednesday 11am - 9pm
Thursday 11am - 9pm
Friday 11am - 8pm
Saturday 10am - 2pm