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Z-Ultimate Self Defense Studios

4.8 ★★★★★ 26 Google reviews · Karate dojo in Denver, Colorado

Free trial Kids & teens Private lessons

Plan your first class

  • Free trial / intro class most dojos welcome new students with a free trial or intro class — check their site or give them a call to book your first session
  • Membership memberships around $50/mo — many dojos also offer a discounted first month and family plans, so ask about new-student rates
  • 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 +1 303-355-2258

Hours

Monday 12–9 pm
Tuesday 12–9 pm
Wednesday 12–9 pm
Thursday 12–9 pm
Friday 12–9 pm
Saturday 9 am–4 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

“No surprises except that my son has never been this interested in anything as much as he is in this.”

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🥊 Kumite / Sparring 2 mentions

“Today he took a mighty hit during sparring and kept on trucking.”

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👤 Private Lessons 3 mentions

“I love the adult group classes and the weekly private lessons that are included.”

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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.

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 26 Google reviews — in their own words.

expert instruction from a great sensei 2 mentions

“He is a great teacher that makes you want to come back for more.”

strong technique, kata & fundamentals 2 mentions

“I took a two year hiatus and when I came back, I am still my high ranking Green Belt and my technique came back within a few classes.”

great workout & fitness 2 mentions

“Fun, empowering and great exercise!”

builds confidence, discipline & respect 2 mentions

“My son is already evolving out of his shell, his confidence grows with each class.”

From the reviews

I have trained at Z Ultimate for several years! Started when it was USSD and major improvements have been made since the change. I am very happy with my training and instructors are very proficient and knowledgeable.

★★★★☆ — Jess, Apr 2016

I absolutely love this place and so does my daughter (5 years old). Sensi Ian is soo great with her and I love seeing her confidence grow. She is only getting better and better and loves to show off her new moves. Practicing with her is now one of our favorite bonding moments. I would highly recommend.

★★★★★ — Karly, Nov 2022

I’m so glad I found this dojo! There’s a great sense of community, and I really look forward to coming and working out and learning

★★★★★ — Carly, Jul 2021

Excellent school! I've tried over half a dozen others over the past decade, and came back to this one. I consider it the best I've ever found. The teachers are amazing and the school is great. Update: I've been with them a total of 7-1/2 years now and am enjoying them!

★★★★★ — Melissa, Jun 2017

Excerpts from public Google reviews. Read all 26 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

487 S Broadway #100, Denver, CO80209

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.