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United Martial Arts Center

5 ★★★★★ 25 Google reviews · Kickboxing gym in Centennial, Colorado

Free trial Kids & teens Cardio kickboxing Competition team

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
  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Kids & teen classes kids and teen kickboxing classes (ages 3–6) — built around confidence, focus, and fun
  • Competition team a competition team for members who want to test themselves in the ring — amateur kickboxing, muay thai, or K-1
  • Today see hours ·
  • Website & schedule kicksrus.com — book classes and see the live schedule
  • Phone +1 303-783-9632

Hours

Monday 3–7 pm
Tuesday 3–7 pm
Wednesday 3–7 pm
Thursday 3–7 pm
Friday 5:30–7 pm
Saturday 8:30 am–1 pm
Sunday 9:30–11 am

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at United Martial Arts Center, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Kickboxing 14 mentions

“As a newcomer to a group that seems to have been attending for a while, they have been really accepting and patient with the "new kid" on the block.”

All gyms that run kids kickboxing →

🥊 Boxing 2 mentions

“United Marshall Arts and Fitness is the best marshall arts and kick boxing studio I've ever visited.”

All gyms that run boxing →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at United Martial Arts Center — mined from their reviews and the gym's own info.

🥊 Boxing 2 mentions

“United Marshall Arts and Fitness is the best marshall arts and kick boxing studio I've ever visited.”

Other gyms that also teach boxing →

🥋 Brazilian Jiu-Jitsu

“Perfect place to begin your journey into Striking or Grappling.”

Other gyms that also teach brazilian jiu-jitsu →

🥋 Karate 2 mentions

“UMAC is the place you want to take your kids for karate!”

Other gyms that also teach karate →

🛡️ Self-Defense 2 mentions

“Highly recommend for anyone looking to learn practical self-defense techniques and get a great workout in as well.”

Other gyms that also teach self-defense →

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 muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 25 Google reviews — in their own words.

🌱 welcoming to beginners 3 mentions

“Very welcoming, informative and skilled coaches, fairly priced programs and open and clean facility.”

🎉 fun, high-energy classes 2 mentions

“Highly recommend for anyone looking to learn practical self-defense techniques and get a great workout in as well.”

🧒 strong kids program 2 mentions

“My son has learned confidence, teamwork, fitness, and developed his mind and body together at UMAC.”

🧠 builds confidence & relieves stress 3 mentions

“My son has learned confidence, teamwork, fitness, and developed his mind and body together at UMAC.”

🤝 friendly, family gym 9 mentions

“Very welcoming, informative and skilled coaches, fairly priced programs and open and clean facility.”

From the reviews

United Marshall Arts and Fitness is the best marshall arts and kick boxing studio I've ever visited. Theresa, Byrne, the owner, takes great care to meet students where they are in their pursuit of fitness and marshal arts.

★★★★★ — Kimbirly, Sep 2014

UMAC is the place you want to take your kids for karate! We tried a number of places throughout town and this business is truly the top for many reasons: 1) The instructions are amazing! They not only are at the top of their martial arts fields but they also know how to tailor the lessons for kids.

★★★★★ — Vamsi, Oct 2020

Have been attending their JKD classes for a number of weeks now and am loving it. The instructors (Mark and Johnny) are thorough on technique and challenge me to focus on fundamentals and improve my form.

★★★★★ — Paul, Jan 2025

Kicks Martial Arts is the best place to bring your child to learn Taekwondo and build leadership skills. The classes are interactive, kids are having fun, and build confidence with each belt level. Curriculum is well balanced and builds on gradually.

★★★★★ — Desi, Feb 2024

Excerpts from public Google reviews. Read all 25 reviews →

Your first kickboxing class at United Martial Arts Center

Nervous about walking into a kickboxing 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 — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics 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.

Kickboxing is a contact sport. Warm up, pace yourself, 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 United Martial Arts Center

2450 E Arapahoe Rd Ste A-2450, Centennial, CO80122

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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.