Train With a 5x World Champion. Build Confidence for Life.
Infinity Martial Arts in San Jose offers world-class Sport Karate instruction for all ages — from beginners to Black Belts. Try your first week free.
★ 5x World Champion Instruction • 10+ Years in San Jose • Ages 5 to Adult
Online Exclusive Offer — View Our Schedule & Pricing Options
Reserve a trial week, get current pricing, and we'll match your family to the right program.
More Than a Martial Arts School
Our mission is to help students and their families become the best versions of themselves through martial arts — physically, mentally, spiritually, and in character. We believe every student has infinite potential, and our instructors are committed to unlocking it one class at a time. Infinity Martial Arts is more than a team. It's a family.
Our Story
Our Programs
Every student placed in the right environment to thrive — from first-time beginners to advanced Black Belts.
Kids Martial Arts
Focus, respect, and coordination through our Stripe Belts system.
Learn MoreYouth Martial Arts
Perseverance, teamwork, and accountability on the path to Black Belt.
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Teen & Adult Martial Arts
Self-defense, fitness, and community for teens and adults at every level.
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Black Belt Training
Weekly Black Belt curriculum for dedicated advanced students.
Learn MoreTrained by Champions. Built for Everyone.
Led by Julia Moreci Guanzon — 5x NBL World Champion, 4th Degree Black Belt, and Hall of Fame inductee — every class at Infinity is built on a champion's standard. But our mission isn't to create champions. It's to develop the next version of every student who walks through our doors.
Meet Our InstructorsA Community That Shows Up.
"Coach Julia is an incredible instructor — patient, encouraging, and genuinely invested in every student's growth. Our daughter went from being shy to performing at tournaments with confidence. Infinity is more than a dojo, it's a family."
Built Different.
Goals That Stick
Every belt, every stripe — earned. Students set goals every class and feel real progress every week.
A True Community
Founders, instructors, and Black Belt graduates train side by side. You walk into a family, not a gym.
Champion-Proven Curriculum
Traditional Tae Kwon Do meets modern Sport Karate. The same system that's produced Grand Champions.
Where the Work Happens.
Frequently Asked
Recent Posts
Why Senior Citizens Can Benefit From Martial Arts
Balance, mobility, and confidence don't have an age limit. Here's why martial arts is one of the best things an adult can do at any stage of life.
Read MoreProtect Your Heart with Martial Arts
Cardiovascular health is built one round at a time. Here's how martial arts training measures up to traditional cardio.
Read MoreThe Positive Effects of Martial Arts for a Child in School
Focus, respect, and resilience translate directly from the mat to the classroom. Here's what parents see.
Read MoreOnline Exclusive Offer — View Our Schedule & Pricing Options
Reserve a trial week, get current pricing, and we'll match your family to the right program.
Come Train in San Jose.
- 5415 Camden Ave, Suite E, San Jose, CA 95124
- (408) 484-4499
- ◆ Mon–Fri: 3:30 PM – 8:30 PM • Saturday: 9:00 AM – 12:00 PM • Sunday: Closed