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Kaizen Martial Arts & Fitness

5 ★★★★★ 32 Google reviews · Karate dojo in Monrovia, California

Karate dojo Free trial Beginners welcome Kids & teens Competition team

Martial arts studio offering karate classes for adults & kids, plus fitness-oriented kickboxing.

Plan your first class

  • Free trial / intro class most dojos welcome new students 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 Karate classes (ages 4–30) — built around discipline, focus, and confidence
  • Adult classes adult Karate classes — training built for grown-ups, from fitness and fundamentals to kumite (sparring) at your own pace
  • Competition team a competition team for students who want to test themselves at kumite tournaments
  • Today see hours ·
  • Website & schedule karateinmonrovia.com — book classes and see the live schedule
  • Phone +1 626-301-9212

Hours

Monday 8 am–8:30 pm
Tuesday 8 am–8:30 pm
Wednesday 8 am–8:30 pm
Thursday 8 am–8:30 pm
Friday 8 am–6:30 pm
Saturday 8 am–1:30 pm
Sunday Closed

Hours shift for holidays, belt tests, and seminars — worth a quick check before a special trip.

The classes they run

Karate classes on the schedule at Kaizen Martial Arts & Fitness, confirmed in students' own reviews and the dojo's own info — not guessed from the sign out front.

🧒 Kids Karate 19 mentions

“Great youth classes, excellent instructors, high student to instructor ratio (very important for young students), clean facilities, and a great range of class times to choose from.”

All dojos that run kids karate →

🌱 Beginners 4 mentions

“Coming in as first-timers to martial arts, the Kaizen family has been nothing short of kind, helpful, patient, and reassuring.”

All dojos that run beginners →

Other martial arts here

Karate dojos are usually multi-discipline. Here's what else students mention training under the same roof at Kaizen Martial Arts & Fitness — mined from their reviews and the dojo's own info.

🥊 Kickboxing 16 mentions

“I love taking the cardio kickboxing class almost every night and the TRX class on the weekend with Jody.”

Other dojos that also teach kickboxing →

Disciplines are mined from reviews and the dojo's own info — they show what students have trained, not a formal class guarantee. If you specifically want taekwondo, jiu-jitsu, or kickboxing alongside your Karate, confirm the current schedule with the dojo.

What students say

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

expert instruction from a great sensei 4 mentions

“Great youth classes, excellent instructors, high student to instructor ratio (very important for young students), clean facilities, and a great range of class times to choose from.”

🌱 welcoming to beginners 6 mentions

“Jody, Tom, and the entire Kaizen Martial Arts & Fitness staff are by far, the most incredible, dedicated, motivating, inspiring, personable and welcoming people I have ever met.”

friendly, respectful dojo 18 mentions

“Jody, Tom, and the entire Kaizen Martial Arts & Fitness staff are by far, the most incredible, dedicated, motivating, inspiring, personable and welcoming people I have ever met.”

strong technique, kata & fundamentals 4 mentions

“The workouts are great, she pays attention to your form and how you punch so you don't hurt yourself.”

great workout & fitness 7 mentions

“I love taking the cardio kickboxing class almost every night and the TRX class on the weekend with Jody.”

🧒 strong kids program 4 mentions

“my son loved it and needless to say we are now going back tomorrow for another free class and signing him up.”

From the reviews

My son has been enrolled in karate lessons at Kaizen for just over a month now, and our experience has been positive from the start. Coming in as first-timers to martial arts, the Kaizen family has been nothing short of kind, helpful, patient, and reassuring.

★★★★★ — Quyen, May 2023

Jody, Tom, and the entire Kaizen Martial Arts & Fitness staff are by far, the most incredible, dedicated, motivating, inspiring, personable and welcoming people I have ever met. I love taking the cardio kickboxing class almost every night and the TRX class on the weekend with Jody.

★★★★★ — Andrea, Aug 2023

I am so happy that I found Kaizen Martial Arts and Fitness for cardio kickboxing. As a recent retiree and fitness enthusiast, I wanted to learn about kickboxing and am fortunate to have found the right gym. The gym is impressive in size and cleanliness. There are plenty of bags to work out on.

★★★★★ — Sharon, Jun 2025

We love this dojo. I first brought my son here because they had the most classes, on the most days and most time slots. This was important because....L.A. traffic, and because my job does not have consistent days and times.

★★★★★ — Leslie, Mar 2025

Excerpts from public Google reviews. Read all 32 reviews →

New to Karate? Start at Kaizen Martial Arts & Fitness

Kaizen Martial Arts & Fitness comes up as a beginner-friendly dojo — noted on their own site. If you've never thrown a punch or set foot in a dojo, 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 the sensei scales the intensity to you. Second, you won't be thrown into hard sparring — reputable dojos build fundamentals (stances, blocks, punches, and kicks) for weeks, and kumite (sparring) eases in gradually, with pads and control. Third, all levels and ages really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most dojos are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first Karate class at Kaizen Martial Arts & Fitness

Nervous about walking into a Karate dojo for the first time? Almost everyone is, and a good sensei expects beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic stances, blocks, punches, and kicks — not hard sparring. Step to the side whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot. What to bring: water, and a mouthguard if you have one — many dojos lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi and the belt your dojo awards you. Kumite (sparring) 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.

Karate is a contact sport. Ease in, train within your limits, listen to your instructors, 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 Kaizen Martial Arts & Fitness

135 E Chestnut Ave Unit 12, Monrovia, CA91016

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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.