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KaizenKan Judo

5 ★★★★★ 32 Google reviews · Judo dojo in San Rafael, California

Judo dojo Free trial Beginners welcome Kids & teens Competition

Plan your first class

  • Free trial or intro class most dojos welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth judo classes — built around discipline, focus, and confidence
  • Women's classes dedicated women's judo classes — a welcoming space to train and start out in
  • Competition a competition team for members who want to test themselves in shiai (tournaments)
  • Today see hours ·
  • Website & schedule marinjudo.com — book classes and see the live schedule

Hours

Monday 3:30–7 PM
Tuesday 3:30–7 PM
Wednesday 3:30–7 PM
Thursday 3:30–7 PM
Friday 3:30–7 PM
Saturday Closed
Sunday Closed

Hours shift for holidays, seminars, and open-mat times — worth a quick check before a special trip.

The classes they run

Judo classes on the schedule at KaizenKan Judo, confirmed in members' own reviews and the dojo's own info — not guessed from the sign out front.

🌱 Beginners 2 mentions

“I highly recommend this Dojo if you’re a beginner or professional.”

All dojos that run beginners →

🧒 Kids Judo 4 mentions

“the place is very cozy and the people are pleasant, I advise you to practice some martial art, especially children!”

All dojos that run kids judo →

🏆 Competition (Shiai) 4 mentions

“We don't even need to mention sensei Daniel's technical habilities, his many, many medals speak for themselves.”

All dojos that run competition (shiai) →

🤸 Throws (Nage-waza)

“Whether it's correcting a foot placement or refining a throwing technique, he has an eagle eye for spotting areas of improvement.”

All dojos that run throws (nage-waza) →

Other martial arts here

Judo dojos are often multi-discipline. Here's what else members mention training under the same roof at KaizenKan Judo — mined from their reviews and the dojo's own info.

Disciplines are mined from reviews and the dojo's own info — they show what members have trained, not a formal class guarantee. If you specifically want BJJ, wrestling, or sambo alongside your judo, confirm the current schedule with the dojo.

What members say

The things reviewers bring up again and again across 32 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 4 mentions

“Sensei Barbosa is a great instructor and the place is amazing for kids and adults.”

🤝 respectful, no-ego dojo 5 mentions

“Beyond the technical aspects of judo, Sensei Daniel fosters a sense of camaraderie and respect among his students.”

📘 strong technique & fundamentals 6 mentions

“One of the things that truly sets Sensei Daniel apart is his attention to detail.”

🏆 active competition team 6 mentions

“We don't even need to mention sensei Daniel's technical habilities, his many, many medals speak for themselves.”

From the reviews

Awesome Dojo, Daniel Sensei is one of a kind. I highly recommend this Dojo if you’re a beginner or professional.

★★★★★ — Adham, Jun 2024

As a seasoned black belt in judo and owner of a dojo Myself, I've had the privilege of training in dojos around the world. However, my experience at Sensei Daniel's Dojo stands out as a shining example of excellence in martial arts training. From the moment I stepped onto the mat, I knew I was in for something special.

★★★★★ — Jonathan, Jun 2024

KaizenKan Judo, under the leadership of Sensei Daniel, is an exemplary dojo that I highly recommend. As a fully credentialed, professional educator in California, I have had the privilege of observing the exceptional pedagogical practices of Sensei Daniel.

★★★★★ — Wolfgang, Jun 2024

This is a fabulous new judo dojo in Marin, led by Daniel Barboza Sensei, an accomplished national and international level competitor in Judo with decades of teaching and coaching experience. I can’t say enough about his knowledge and expertise in judo and the quality of the dojo he has built. Highly recommended!

★★★★★ — Lawrence, Aug 2024

Excerpts from public Google reviews. Read all 32 reviews →

New to judo? Start at KaizenKan Judo

KaizenKan Judo comes up as a beginner-friendly dojo — noted on their own site. If you've never stepped on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and sensei scale the intensity to you. Second, you'll start by learning to fall safely (ukemi) — reputable dojos build fundamentals (breakfalls, grips, a first throw and some groundwork) for weeks, live randori eases in gradually, and tapping early keeps everyone safe. Third, all levels really are welcome — ask about a dedicated beginners class time so your first session is alongside others who are also starting out, and remember to bow in and show respect (rei). Most dojos are happy to let you watch or try a class first, so reach out before you commit.

Check beginner classes on their site

Your first judo class at KaizenKan Judo

Nervous about walking into a judo dojo for the first time? Almost everyone is, and good sensei expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, learning to fall safely (ukemi), then drilling a throw or two and some groundwork with a partner — not hard randori. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a judogi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many dojos lend a loaner judogi for a first class, so it's worth asking. As you keep training you'll add your own judogi. Live randori eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the sensei. It gets easier fast — most people feel far more at home by their third class.

Judo is a contact sport. Ease in, tap early and often, listen to your sensei, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find KaizenKan Judo

5800 Northgate Dr #142, San Rafael, CA94903

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this dojo? Claim your listing — it's free.