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J's Kickboxing Club

5 ★★★★★ 14 Google reviews · Kickboxing gym in Jefferson, Wisconsin

Kickboxing gym Beginners welcome 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
  • 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 ·
  • Phone +1 920-728-1766

Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday 10 am–12 am
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 J's Kickboxing Club, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginners 2 mentions

“His expertise and dedication to teaching have really helped me grow and fall in love with the sport, whether you're a beginner or experienced.”

All gyms that run beginners →

🏆 Competition Team 2 mentions

“whether your goal is to compete, learn to defend yourself, or get a solid workout in this would be the spot i recommend to all who are interested!”

All gyms that run competition team →

🦵 Muay Thai 3 mentions

“I've trained with coach J for over a year now and he's easily the best muay thai, kickboxing, and boxing coach I've ever worked with.”

All gyms that run muay thai →

🥊 Boxing

“I've trained with coach J for over a year now and he's easily the best muay thai, kickboxing, and boxing coach I've ever worked with.”

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 J's Kickboxing Club — mined from their reviews and the gym's own info.

🦵 Muay Thai 3 mentions

“I've trained with coach J for over a year now and he's easily the best muay thai, kickboxing, and boxing coach I've ever worked with.”

Other gyms that also teach muay thai →

🥊 Boxing

“I've trained with coach J for over a year now and he's easily the best muay thai, kickboxing, and boxing coach I've ever worked with.”

Other gyms that also teach boxing →

🏟️ MMA

“I've been training with JS Kickboxing for about 4 months, and my skills in Muay Thai and MMA have improved drastically.”

Other gyms that also teach mma →

🛡️ Self-Defense

“The classes are perfect for anyone, whether you're looking to compete or just learn self-defense.”

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 14 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 3 mentions

“I have wrestled for 17 years of my life and Coach J is one of the best coaches I have ever had in my life!”

🌱 welcoming to beginners 7 mentions

“My health, happiness and confidence have all greatly improved since i’ve been training here… a welcoming environment and a great group to work with.”

🏆 active competition / fight team 3 mentions

“whether your goal is to compete, learn to defend yourself, or get a solid workout in this would be the spot i recommend to all who are interested!”

🧼 clean, well-equipped gym 3 mentions

“The gym has a welcoming atmosphere and great equipment.”

🤝 friendly, family gym 7 mentions

“My health, happiness and confidence have all greatly improved since i’ve been training here… a welcoming environment and a great group to work with.”

From the reviews

J’s Kickboxing Club is easily the best striking academy in the area. I looked at a few options before i ended up landing here a little over a year ago and i’m glad i did. My health, happiness and confidence have all greatly improved since i’ve been training here… a welcoming environment and a great group to work with.

★★★★★ — Aaron, Sep 2024

I've trained with coach J for over a year now and he's easily the best muay thai, kickboxing, and boxing coach I've ever worked with. I've lost weight, gotten alot stronger, and my overall health has improved. The proof is in the training, there's no special sauce.

★★★★★ — Tim, Sep 2024

I've been training with JS Kickboxing for about 4 months, and my skills in Muay Thai and MMA have improved drastically. His expertise and dedication to teaching have really helped me grow and fall in love with the sport, whether you're a beginner or experienced.

★★★★★ — Tyler, Feb 2025

I'm in my second month at J's Kickboxing Club. I'm an older guy with no previous experience but Coach J breaks everything down in ways that make it easy to follow and practice. This has been a great step in my quest for over-all better health and fitness.

★★★★★ — Steve, Feb 2025

Excerpts from public Google reviews. Read all 14 reviews →

New to kickboxing? Start at J's Kickboxing Club

J's Kickboxing Club comes up as a beginner-friendly gym, going by their listing and members’ reviews. 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.

Call about beginner classes: +1 920-728-1766

Your first kickboxing class at J's Kickboxing Club

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 J's Kickboxing Club

302 S Wisconsin Dr, Jefferson, WI53549

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.