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Z-Ultimate Self Defense Studios

5 ★★★★★ 28 Google reviews · Karate dojo in Centennial, Colorado

Affiliated Kids & teens Private lessons

Affiliated dojo — reviews and the dojo's own info point to a recognized Karate style organization or franchise (think Shotokan/JKA, Kyokushin, Goju-Ryu, Isshinryu, Tiger Schulmann's or Villari's). If lineage matters to you, ask which style and organization the dojo belongs to, and under whom the head sensei earned their black belt.

Plan your first class

  • Kids & youth classes kids and youth Karate classes — built around discipline, focus, and confidence
  • Private lessons private, one-on-one instruction available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Today see hours ·
  • Website & schedule zultimate.com — book classes and see the live schedule
  • Phone +1 720-488-8773

Hours

Monday 12–9 pm
Tuesday 12–9 pm
Wednesday 12–9 pm
Thursday 12–9 pm
Friday 12–7 pm
Saturday 9 am–3 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 Z-Ultimate Self Defense Studios, confirmed in students' own reviews and the dojo's own info — not guessed from the sign out front.

🧒 Kids Karate 9 mentions

“We recommend all of our friends with kids to try Z Ultimate Self Defense Studios Greenwood Village, they are AMAZING!”

All dojos that run kids karate →

🥊 Kumite / Sparring

“I have already learned constructive self-defense techniques that I could use, and I love the sparring.”

All dojos that run kumite / sparring →

👤 Private Lessons 2 mentions

“Our 3 yo start taking private sessions in Z-Ultimate Self Defense Studios Greenwood Village couple of months ago and we LOVE every moment he spends there.”

All dojos that run private lessons →

🛡️ Self-Defense 9 mentions

“Our 3 yo start taking private sessions in Z-Ultimate Self Defense Studios Greenwood Village couple of months ago and we LOVE every moment he spends there.”

All dojos that run self-defense →

Other martial arts here

Karate dojos are usually multi-discipline. Here's what else students mention training under the same roof at Z-Ultimate Self Defense Studios — mined from their reviews and the dojo's own info.

🦵 Taekwondo

“Before moving back to Colorado 13 years ago, I was a student of Tae Kwon Do.”

Other dojos that also teach taekwondo →

🛡️ Self-Defense 9 mentions

“Our 3 yo start taking private sessions in Z-Ultimate Self Defense Studios Greenwood Village couple of months ago and we LOVE every moment he spends there.”

Other dojos that also teach self-defense →

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 28 Google reviews — in their own words.

expert instruction from a great sensei 4 mentions

“Kristen, the Dojo owner, is an amazing instructor, and really good at tailoring group classes so that differing ranks can learn together, and from each other.”

friendly, respectful dojo 5 mentions

“Everyone is extremely supportive and patient, and have a really good sense of humor.”

strong technique, kata & fundamentals 2 mentions

“I have already learned constructive self-defense techniques that I could use, and I love the sparring.”

great workout & fitness 7 mentions

“When asked what I wanted from Z Ultimate, I said, I need to work on my flexibility and to sweat.”

🧒 strong kids program 4 mentions

“Z Ultimate has been a game changer for our son! Focus, discipline, respect have developed quickly and all from the tutelage and leadership at Greenwood Village!”

builds confidence, discipline & respect 17 mentions

“While they are learning karate Z ultimate focuses on making sure they boys are showing respect, discipline, and humility.”

From the reviews

Our 3 yo start taking private sessions in Z-Ultimate Self Defense Studios Greenwood Village couple of months ago and we LOVE every moment he spends there. Besides a joy of watching your child having fun, we already see improvement in his behavior, during the session as well as after.

★★★★★ — Alona, Jan 2018

My daughter has more self-confidence and feels safer after taking classes with Kristin. She really enjoys learning new things, and talks very positively about the class. It's a great class for youth, as it gives them skills and courage. I highly recommend Z Ultimate and Kristin!

★★★★★ — Melanie, Apr 2018

I adore Z - Ultimate Self Defense Studios! I have been working with them for less than a year but I have thoroughly enjoyed every lesson with them. Everyone is extremely supportive and patient, and have a really good sense of humor.

★★★★★ — Samanthia, Feb 2018

My son and I have been going here for more than 3 months. Kristen, the Dojo owner, is an amazing instructor, and really good at tailoring group classes so that differing ranks can learn together, and from each other. I have already learned constructive self-defense techniques that I could use, and I love the sparring.

★★★★★ — Alice, Jan 2018

Excerpts from public Google reviews. Read all 28 reviews →

Your first Karate class at Z-Ultimate Self Defense Studios

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 Z-Ultimate Self Defense Studios

8006 E Arapahoe Rd #10, Centennial, CO80112

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 dojo? Claim your listing — it's free.