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Insurgent Fitness

4.9 ★★★★★ 269 Google reviews · Kickboxing gym in Flagstaff, Arizona

Kickboxing gym Beginners welcome Kids & teens Cardio kickboxing Private lessons Competition team

Plan your first class

  • Beginner-friendly all fitness levels welcome, including total beginners — no experience needed, and you get in shape by training, not before
  • 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 — built around confidence, focus, and fun
  • Private lessons one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Sparring sparring and partner work for members who want it — always optional, eased in gradually, with the coach controlling the contact
  • 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 insurgent.fitness — book classes and see the live schedule
  • Phone (928) 288-2280

Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

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

🔥 Cardio Kickboxing 3 mentions

“The gym is clean with all the gear you need to get a great workout, and the BJJ classes are excellent with either Coach Morgan or Cody.”

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🧒 Kids Kickboxing 6 mentions

“Stayed in Flagstaff for a few months, and found Insurgent Fitness - I got myself a gym membership, and put my girls in their Kids Brazilian Jiu-jitsu class for a great price!”

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🌱 Beginners 6 mentions

“If you are a woman like myself and want to try your hand at a sport like Brazilian Jiu Jitsu for the first time, come here!”

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🤜 Sparring 2 mentions

“My son goes to open mat day and it’s free and he always gets a great workout in and the staff is AWESOME!”

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🦵 Muay Thai

“I also love that the gym offers noon classes as well as evening classes for BJJ and I've heard great things about the Muay Thai from friends who train both Jitz and striking.”

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👤 Private Lessons 4 mentions

“Morgan and Michelle not only have created an amazing space with great equipment, classes and personal training but they've also built a welcoming environment.”

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Kickboxing Bootcamp 2 mentions

“This place is a perfect marriage of strength and conditioning as well as martial arts.”

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Other martial arts here

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

🦵 Muay Thai

“I also love that the gym offers noon classes as well as evening classes for BJJ and I've heard great things about the Muay Thai from friends who train both Jitz and striking.”

Other gyms that also teach muay thai →

🥋 Brazilian Jiu-Jitsu 10 mentions

“Stayed in Flagstaff for a few months, and found Insurgent Fitness - I got myself a gym membership, and put my girls in their Kids Brazilian Jiu-jitsu class for a great price!”

Other gyms that also teach brazilian jiu-jitsu →

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 269 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 2 mentions

“I was immediately welcomed into the community and Morgan is a wonderful coach. The gym equipment is in great shape as well.”

🌱 welcoming to beginners 11 mentions

“Morgan and Michelle not only have created an amazing space with great equipment, classes and personal training but they've also built a welcoming environment.”

🎉 fun, high-energy classes 4 mentions

“The gym is clean with all the gear you need to get a great workout, and the BJJ classes are excellent with either Coach Morgan or Cody.”

💦 killer cardio workout 6 mentions

“The gym is clean with all the gear you need to get a great workout, and the BJJ classes are excellent with either Coach Morgan or Cody.”

🧼 clean, well-equipped gym 9 mentions

“Morgan and Michelle not only have created an amazing space with great equipment, classes and personal training but they've also built a welcoming environment.”

💵 good value / fair pricing 2 mentions

“Stayed in Flagstaff for a few months, and found Insurgent Fitness - I got myself a gym membership, and put my girls in their Kids Brazilian Jiu-jitsu class for a great price!”

From the reviews

I joined Insurgent about 8 months ago. I could not be happier with my choice to start. This is an amazing group of very welcoming people committed to improving their martial arts skill and physical health. The gym is one of, if not the nicest gym in town. It's has all the equipment you could want and plenty of space.

★★★★★ — Luke, Mar 2025

Insurgent Fitness has been the best gym and martial art place I have ever trained at. They are all so kind not just the staff, but the other students as well. I couldn’t say enough about Insurgent as there has been no yelling and everyone is willing to help walk you through the drills.

★★★★★ — Mia, Apr 2025

After my previous gym closed, I joined Insurgent and could not be more pleased. If you are a woman like myself and want to try your hand at a sport like Brazilian Jiu Jitsu for the first time, come here!! I was immediately welcomed into the community and Morgan is a wonderful coach.

★★★★★ — Jacq, Jan 2024

Great Place! My son goes to open mat day and it’s free and he always gets a great workout in and the staff is AWESOME!!

★★★★★ — Veronica, Nov 2025

Excerpts from public Google reviews. Read all 269 reviews →

New to kickboxing? Start at Insurgent Fitness

Insurgent Fitness comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners class is for. A few things worth knowing before your first week. First, you don't need to be fit or coordinated to start — you get in shape by training, not before it, and coaches scale every drill to you. Second, you won't be thrown into hard sparring — reputable gyms build the basics (stance, footwork, and punches and kicks on pads and bags) first, and any contact eases in gradually under a coach's control. Third, all fitness levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first kickboxing class at Insurgent Fitness

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 Insurgent Fitness

1650 S Plaza Wy #5, Flagstaff, AZ86001

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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.