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Club 37 Jiu-Jitsu
5 ★★★★★ 33 Google reviews · BJJ gym in Eau Claire, Wisconsin
Affiliated academy — reviews and the gym's own info point to a recognized BJJ lineage or affiliation (think Gracie Barra, 10th Planet, Renzo Gracie, Alliance, Atos or Checkmat). If lineage matters to you, ask which affiliation the academy belongs to and under whom the head instructor earned their black belt.
Plan your first class
- Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
- Kids & youth classes kids and youth BJJ classes (ages 6) — built around discipline, focus, and confidence
- No-gi no-gi grappling classes — training in a rashguard and shorts, with faster scrambles and a natural bridge to MMA
- Open mat open-mat rolling sessions for members to practice live — always optional and at your own pace
- Competition team a competition team for members who want to test themselves at tournaments
- Today see hours ·
- Website & schedule club37jj.com — book classes and see the live schedule
- Phone +1 715-529-5361
Hours
| Monday | 5–9 pm |
| Tuesday | 6:30–8:30 am, 6–9 pm |
| Wednesday | 5–9 pm |
| Thursday | 6–8:30 pm |
| Friday | 6:30–8:30 am, 6–9 pm |
| Saturday | Closed |
| Sunday | 12:30–3 pm |
The classes they run
“They are starting new programs this summer for striking and kids as well which is awesome!”
“Many women training as well which which is nice as a woman who was just starting out.”
“They train gi and no gi, and make it such a great experience all around!”
“They train gi and no gi, and make it such a great experience all around!”
“As a team we’ve been able to compete successfully at many competitions including IBJJF Worlds in Las Vegas standing on podiums consistently.”
“Club 37 has more veteran competitors than they have beginners so every session is going to give you a challenge whether you are new or even an experienced grappler.”
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What members say
“Club 37 has more veteran competitors than they have beginners so every session is going to give you a challenge whether you are new or even an experienced grappler.”
“The Martinek's were welcoming, knowledgeable and fun to train under, thank you for having me and I look forward to coming back and training when I am in the area.”
“The coaching has great detail and the students are all welcoming.”
“As a team we’ve been able to compete successfully at many competitions including IBJJF Worlds in Las Vegas standing on podiums consistently.”
“I visited a few nearby gyms before deciding on Club37 The people are friendly, the space is clean, and the instruction is among the best available.”
“Many women training as well which which is nice as a woman who was just starting out.”
From the reviews
Club 37 is exactly what a jiu jitsu gym should be. The instruction and training is phenomenal, with curriculum and training methods that are on the cutting edge of the sport. More importantly, the community of people that train there are fun, dedicated, and welcoming.
For someone that was close to 40 years old, I never once thought I would be learning jiu jitsu at my age or enjoying it as much as I have for the last 2 years. Club 37 has been great for me and my kiddo. Awesome atmosphere for entire family.
An excellent gym located in Eau Claire, WI. An extremely clean training facility with skilled training partners and a coach, Catlon Martinek, whose equally passionate about Jiu Jitsu and functional learning from fundamentals to advanced techniques.
Great place to take my daughter for kids class. She loves it. Coaches are great. Training there as an adult, classes are a lot of fun and everyone is friendly and very helpful. 100% recommend to start sooner than later..
New to BJJ? Start at Club 37 Jiu-Jitsu
Club 37 Jiu-Jitsu comes up as a beginner-friendly gym — noted on their own site. If you've never rolled or set foot on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and coaches scale the intensity to you. Second, you won't be thrown into hard rolling — reputable gyms build fundamentals (positions, escapes, and basic submissions) for weeks, live rolling eases in gradually, and tapping early keeps every roll safe. Third, all 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, and leave your ego at the door. Most gyms are happy to let you watch or try a class first, so reach out before you commit.
Your first BJJ class at Club 37 Jiu-Jitsu
Nervous about walking into a BJJ 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 basic positions and escapes with a partner — not hard sparring. Rest 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 on the mats. What to bring: water and a mouthguard if you have one — many gyms 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 (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals 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.
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