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Black Belt America of Rutherford

5 ★★★★★ 46 Google reviews · Muay thai gym in Rutherford, New Jersey

Free trial Kids & teens Private lessons Fitness classes

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
  • Kids & youth classes kids and youth muay thai classes (ages 4–13) — built around discipline, focus, and confidence
  • Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Fitness & conditioning muay thai fitness and cardio classes — a serious workout you can do without ever having to spar
  • Sparring & clinch sparring and clinch sessions for members ready for controlled contact — always optional and coach-supervised
  • Today see hours ·
  • Website & schedule masterparkstkd.com — book classes and see the live schedule
  • Phone +1 201-367-9397

Hours

Monday 3:30–9 pm
Tuesday 3–9 pm
Wednesday 3–9 pm
Thursday 3–9 pm
Friday 3–6 pm
Saturday 9 am–3 pm
Sunday Closed

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 Black Belt America of Rutherford, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Muay Thai 18 mentions

“I also love the the kids are not only getting lessons in self defense, but they are also learning about self-discipline, self-respect and respect for others.”

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Teen Muay Thai

“I worked closely with them for a few years when I was in high school as a martial arts instructor and kickboxing instructor.”

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👤 Private Lessons

“He was my son's favourite instructor at the Academy I didn't realize this until he won a competition and was able to chose a free private lesson with an instructor of his choice.”

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🔥 Muay Thai Fitness 3 mentions

“There adult kickboxing classes are a true hidden gem for those who want to get fit, let out some steam and not pay so much!”

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🛡️ Self-Defense

“I also love the the kids are not only getting lessons in self defense, but they are also learning about self-discipline, self-respect and respect for others.”

All gyms that run self-defense →

Other martial arts here

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

🦵 Kickboxing 11 mentions

“I've been training at Black Belt America of Rutherford for a month now, exploring both kickboxing and taekwondo under the guidance of Master Jay and Master Cristina.”

Other gyms that also teach kickboxing →

🏟️ MMA

“100% recommend to anyone wanting to try out kickboxing or mma 🙏💪”

Other gyms that also teach mma →

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 46 Google reviews — in their own words.

🌱 welcoming to beginners 4 mentions

“The environment is welcoming, whether you're a beginner or more experienced, and you always leave feeling stronger and more confident.”

🤝 no-ego, friendly gym 9 mentions

“The environment is welcoming, whether you're a beginner or more experienced, and you always leave feeling stronger and more confident.”

🔥 killer workout & conditioning 2 mentions

“If you're looking for a great workout and an even better community, this is the place to be!”

🧠 builds confidence & discipline 12 mentions

“What I really love about this school is that they don’t only teach taekwondo, they also teach discipline, respect, and confidence, which are very important values for children.”

From the reviews

Black Belt America of Rutherford is such an amazing place & experience! My child has been here for 4 years and has come out of her shell. She has built discipline, and physical strength through regular training and it is showing.

★★★★★ — Isa, Mar 2026

My son trained with Mr Jaworski for many years. We were sad when he resigned from our home Academy. He was my son's favourite instructor at the Academy I didn't realize this until he won a competition and was able to chose a free private lesson with an instructor of his choice. My son chose Mr Jaworski.

★★★★★ — Rachel, May 2023

Mr & Mrs Jaworski are an incredible martial arts team. I worked closely with them for a few years when I was in high school as a martial arts instructor and kickboxing instructor. Mr Jaworski is one of the most patient people I have met and truly cares about each of his students’ progress.

★★★★★ — Devika, Sep 2022

I've been taking kickboxing classes here and I can't recommend it enough! The instructor, Christina, is truly fantastic—so knowledgeable, patient, and motivating. Every class is challenging and fun, which keeps you wanting to push yourself.

★★★★★ — Jazmine, Mar 2025

Excerpts from public Google reviews. Read all 46 reviews →

Your first muay thai class at Black Belt America of Rutherford

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 Black Belt America of Rutherford

310 Union Ave, Rutherford, NJ07070

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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.