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Sampa Jiu Jitsu and Martial Arts

4.9 ★★★★★ 268 Google reviews · Muay thai gym in Glendora, California

Muay Thai gym Free trial Beginners welcome Kids & teens

Plan your first class

  • Free trial or intro class most gyms 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 muay thai classes — built around discipline, focus, and confidence
  • Today see hours ·
  • Website & schedule sampabjj.com — book classes and see the live schedule
  • Phone +1 626-335-4971

Hours

Monday 5:15 am–9 pm
Tuesday 5:15 am–9 pm
Wednesday 5:15 am–9 pm
Thursday 5:15 am–9 pm
Friday 5:15 am–9 pm
Saturday 8:30 am–1 pm
Sunday 9:30–11:30 am

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

The classes they run

Muay thai classes on the schedule at Sampa Jiu Jitsu and Martial Arts, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginner Muay Thai 2 mentions

“I started the kickboxing class with no experience, but I LOVE coming to every class and learning to master my body and feel strong!”

All gyms that run beginner muay thai →

🧒 Kids Muay Thai 41 mentions

“They teach the kids not only BJJ but also go over character traits after each class to help them grow to be great kids who make great choices in life.”

All gyms that run kids muay thai →

Other martial arts here

Muay thai gyms are usually multi-discipline. Here's what else members mention training under the same roof at Sampa Jiu Jitsu and Martial Arts — mined from their reviews and the gym's own info.

🦵 Kickboxing 4 mentions

“I started the kickboxing class with no experience, but I LOVE coming to every class and learning to master my body and feel strong!”

Other gyms that also teach kickboxing →

🥋 Brazilian Jiu-Jitsu (BJJ) 10 mentions

“They teach the kids not only BJJ but also go over character traits after each class to help them grow to be great kids who make great choices in life.”

Other gyms that also teach brazilian jiu-jitsu (bjj) →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want BJJ, boxing, or MMA alongside muay thai, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 268 Google reviews — in their own words.

🧑‍🏫 expert, authentic coaching 3 mentions

“All of the coaches there are amazing and have created a wonderful environment for the kids.”

🌱 welcoming to beginners 6 mentions

“I started the kickboxing class with no experience, but I LOVE coming to every class and learning to master my body and feel strong!”

🤝 no-ego, friendly gym 15 mentions

“Professor Renato is absolutely wonderful and he meets you where you’re at to help you get the most out of each class, and all the other students are so welcoming and encouraging!”

📘 real technique & fundamentals 5 mentions

“My son has learned so much, not just techniques but also confidence, discipline, and respect.”

🧒 strong kids program 6 mentions

“My son has loved starting out in parent and me with Coach Mike , and is now moved up loving Coach Pierre and JP .”

🧠 builds confidence & discipline 11 mentions

“My oldest is burning off a lot of energy, building confidence in his body, and I’m seeing progress in his capacity for self control because of these classes.”

From the reviews

I enrolled my kids here for the summer program and they have been loving it so far. The coaches are patient, engaging, and consistent in creating a healthy environment for these kids.

★★★★★ — Youngmi, Jun 2025

My kids have been training at this establishment for more than two years now, and I absolutely love it. The way they educate the students is elite. Coach Ryan has been amazing with both my daughter and my son.

★★★★★ — Coreti, Mar 2026

We have been going here for over a year, And the improvements we have seen have been awesome! My son has loved starting out in parent and me with Coach Mike , and is now moved up loving Coach Pierre and JP .

★★★★★ — Macey, Sep 2024

I started the kickboxing class with no experience, but I LOVE coming to every class and learning to master my body and feel strong! Professor Renato is absolutely wonderful and he meets you where you’re at to help you get the most out of each class, and all the other students are so welcoming and encouraging!

★★★★★ — Brenna, Jan 2026

Excerpts from public Google reviews. Read all 268 reviews →

New to muay thai? Start at Sampa Jiu Jitsu and Martial Arts

Sampa Jiu Jitsu and Martial Arts comes up as a beginner-friendly gym, going by their listing and members’ reviews. If you've never thrown a punch or a kick, 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 to start — you get in shape by training, not before it, and coaches scale the conditioning to you. Second, you won't be thrown into sparring — reputable gyms build fundamentals (stance, footwork, and the basic strikes of the "art of eight limbs") for weeks before any contact, and sparring stays optional. Third, all levels 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 gyms 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 muay thai class at Sampa Jiu Jitsu and Martial Arts

Nervous about walking into a muay thai gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling the basics on pads and bags — not fighting. Rest whenever you need to; no one will bat an eye. What to wear: shorts or athletic wear and a t-shirt; you'll train barefoot on the mats. What to bring: water and hand wraps if you have them — many gyms lend gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves, wraps, a mouthguard, and shin guards. Sparring is optional and comes later, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

Muay thai is a contact sport. Ease in, listen to your coaches, 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 Sampa Jiu Jitsu and Martial Arts

903 E Rte 66 a, Glendora, CA91740

Get directions

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