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Ironworks Gym: Combat Training Center

5 ★★★★★ 42 Google reviews · Kickboxing gym in Grass Valley, California

Kickboxing gym Free trial Kids & teens Cardio kickboxing Women's classes

Training facility with experienced trainers offering classes in boxing and Muay Thai.

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 — built around confidence, focus, and fun
  • Women's classes dedicated women's kickboxing classes — a welcoming space to start out and train
  • Sparring sparring and partner work for members who want it — always optional, eased in gradually, with the coach controlling the contact
  • Today see hours ·
  • Website & schedule ironworksgym247.com — book classes and see the live schedule
  • Phone +1 530-263-2774

Hours

Monday 4:30–7:30 pm
Tuesday 5–8 pm
Wednesday 4:30–7:30 pm
Thursday 5–8 pm
Friday Closed
Saturday 11 am–2 pm
Sunday Closed

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 Ironworks Gym: Combat Training Center, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 4 mentions

“The MMA class is a great workout with awesome instructors!”

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🧒 Kids Kickboxing 7 mentions

“They offer a wide range of classes for men, women, and kids, making it a great place for the whole family.”

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💪 Women's Kickboxing

“The women's kickboxing class gives a full body workout.”

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🤜 Sparring 2 mentions

“If you want to learn how to box, this is the place to gain all the basic skills -- with sparring and competition optional -- or you can train to fight amateur or pro.”

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🦵 Muay Thai

“Complete MMA gym with Muay Thai, Boxing, American Jiu Jitsu, and Wrestling.”

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🥊 Boxing 14 mentions

“I had been looking for a few years for a local boxing gym after moving up from the Bay Area and noticed T-5 Boxing from an article in The Union newspaper.”

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 Ironworks Gym: Combat Training Center — mined from their reviews and the gym's own info.

🦵 Muay Thai

“Complete MMA gym with Muay Thai, Boxing, American Jiu Jitsu, and Wrestling.”

Other gyms that also teach muay thai →

🥊 Boxing 14 mentions

“I had been looking for a few years for a local boxing gym after moving up from the Bay Area and noticed T-5 Boxing from an article in The Union newspaper.”

Other gyms that also teach boxing →

🏟️ MMA 6 mentions

“Ironworks Combat has everything you want in ab MMA gym—Great coaching and an awesome community.”

Other gyms that also teach mma →

🥋 Brazilian Jiu-Jitsu 2 mentions

“If you’re looking for real MMA, BJJ, or boxing training in Grass Valley, this is the spot.”

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 42 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 3 mentions

“Ironworks Combat Training Center has a positive and encouraging atmosphere with excellent instructors.”

🌱 welcoming to beginners 3 mentions

“The overall atmosphere is friendly and welcoming with lots of camaraderie and support.”

🎉 fun, high-energy classes 2 mentions

“The MMA class is a great workout with awesome instructors!”

🧼 clean, well-equipped gym 5 mentions

“I highly recommend it to anyone looking for a clean, comfortable and friendly place to train”

💵 good value / fair pricing 2 mentions

“There are nice people at the gym, you get a good workout and It's affordable.”

💗 welcoming to women 2 mentions

“They offer a wide range of classes for men, women, and kids, making it a great place for the whole family.”

From the reviews

Great atmosphere, clean equipment, friendly environment and everyone was welcoming. The trainers know what they are talking about. Highly recommend T-5 boxing

★★★★★ — Jesse, Jun 2022

Ironworks Combat has everything you want in ab MMA gym—Great coaching and an awesome community. The classes are challenging, the teammates push you to get better, and the atmosphere is positive and motivating. If you’re looking for real MMA, BJJ, or boxing training in Grass Valley, this is the spot.

★★★★★ — Sean, Aug 2025

Ironworks Combat Training Center has a positive and encouraging atmosphere with excellent instructors. They offer a wide range of classes for men, women, and kids, making it a great place for the whole family. Highly recommend!

★★★★★ — Deborah, Sep 2025

Complete MMA gym with Muay Thai, Boxing, American Jiu Jitsu, and Wrestling. MMA class is instructed by a professional MMA fighter. Classes are for everyone. Fun and safe. Try it once and I think you'll be hooked.

★★★★★ — Combatpig0311, Sep 2024

Excerpts from public Google reviews. Read all 42 reviews →

Your first kickboxing class at Ironworks Gym: Combat Training 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 Ironworks Gym: Combat Training Center

158 Olympia Park Rd, Grass Valley, CA95945

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 gym? Claim your listing — it's free.