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Peterson Grapplers

5 ★★★★★ 33 Google reviews · Muay thai gym in Valencia, California

Muay Thai gym Kids & teens

Plan your first class

  • Kids & youth classes kids and youth muay thai classes — built around discipline, focus, and confidence
  • Today see hours ·
  • Website & schedule petersongrapplers.com — book classes and see the live schedule
  • Phone (805) 469-2709

Hours

Monday 10 AM–9 PM
Tuesday 10 AM–9 PM
Wednesday 10 AM–9 PM
Thursday 10 AM–9 PM
Friday 10 AM–9 PM
Saturday Closed
Sunday 10 AM–12 PM

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 Peterson Grapplers, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Muay Thai 6 mentions

“Coach Brian & Co, are also great with the little ones, again come here and see why he's got so many kids that train here, Simply the best!”

All gyms that run kids muay thai →

🔓 Open Gym 2 mentions

“Awesome Sunday open mat, open to all.”

All gyms that run open gym →

Other martial arts here

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

🦵 Kickboxing

“Looks like a kickboxing open mat too on the other side of the room.”

Other gyms that also teach kickboxing →

🥋 Brazilian Jiu-Jitsu (BJJ) 4 mentions

“Coach Brian is an amazing coach, he has so much knowledge in jiu jitsu and wrestling, and even MMA, that its mind boggling.”

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

🏟️ MMA 2 mentions

“Coach Brian is an amazing coach, he has so much knowledge in jiu jitsu and wrestling, and even MMA, that its mind boggling.”

Other gyms that also teach mma →

🤸 Wrestling

“Coach Brian is an amazing coach, he has so much knowledge in jiu jitsu and wrestling, and even MMA, that its mind boggling.”

Other gyms that also teach wrestling →

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 33 Google reviews — in their own words.

🧑‍🏫 expert, authentic coaching 6 mentions

“I was going to another gym before this that cost more money and didn't have the assistance from the coaches here and the great amenities and I am very glad I found this gym.”

🌱 welcoming to beginners 4 mentions

“My son had a great first day and we look forward to have him continue.”

🤝 no-ego, friendly gym 4 mentions

“On a personal level he's a very down to earth guy with so much experience, wisdom and a whole lot more to teach.”

📘 real technique & fundamentals 2 mentions

“If, like me, you pass through, bring a rash guard, cup, mouthpiece, and pay a small drop fee for some very effective moves with great attention to detail.”

💵 good value / fair pricing 2 mentions

“PG offers top-notch coaching and training at a great price.”

From the reviews

This place is pretty much your last stop in your evolution. Coach Brian has so much to offer in technicalities and how to understand why something is done in the manner it's done, lots of really good advice on his holistic approach on how to be a better athlete.

★★★★★ — Lone, Jun 2022

I had the opportunity to do a week of drop-ins with Coach Peterson and his group a few months ago after having followed him on you tube for awhile. Awesome experience; I was so glad I did it. Very welcoming and great, great instructor. Had a chance to get his perspective on techniques.

★★★★★ — Michael, Jul 2023

What an experience! If you live in the area and are interested in grappling or MMA, this should be where you go to feed that desire. If, like me, you pass through, bring a rash guard, cup, mouthpiece, and pay a small drop fee for some very effective moves with great attention to detail.

★★★★★ — Ron, Mar 2026

Great gym, with great atmosphere, energy, coaches are there to really help you out. I was going to another gym before this that cost more money and didn't have the assistance from the coaches here and the great amenities and I am very glad I found this gym. Do not hesitate to sign up because it is well worth it!

★★★★★ — Leon, Oct 2021

Excerpts from public Google reviews. Read all 33 reviews →

Your first muay thai class at Peterson Grapplers

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 Peterson Grapplers

25583 Avenue Stanford Ste G, Valencia, CA91355

Get directions Instagram · Facebook

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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.