Elite sports training in Sun Prairie
Build the Strength and Speed to Win
We help athletes at every level sharpen their technical skills and build the endurance needed to dominate their sport. Get expert coaching that pushes your physical limits and gives you the confidence to perform your best when it counts.

Boxing and Wrestling Training for Every Skill Level
At JJ's Boxing & Wrestling, we teach more than just how to build muscle. Whether you are training for competition or just your own health, our programs focus on technique and safety so you can learn how to hit without getting hit back. Join us in Sun Prairie to find a gym culture built on discipline, support, and real progress.
Reach Your Potential at JJ's in Sun Prairie

Get the Fundamentals Right
How We Train
We use proven boxing and wrestling methods geared toward real athletic performance. Our workouts use circuit stations to hit every muscle group, boost your agility, and build serious endurance. Whether you are working the heavy bag or getting the chance to test your precision in controlled drills, every session is designed to sharpen your form and make sure you get the most out of your time on the mat.

Kids, Adults, and Competitors
Training for Every Goal
Athletic growth should be for everyone, no matter where you are starting. We offer youth programs for kids ages 5-12, a USA Wrestling club team, high-energy adult classes, and memberships for elite competitors. Whether you are a college athlete looking to fine-tune your technique or just someone looking for a better way to stay active, you will find a focused, welcoming environment here.

Experienced Pros in Your Corner
Coaching That Matters
I started this gym to help people build self-esteem and confidence through hard work. Our coaches, led by Jerome Jansen, bring decades of experience from the Golden Gloves to varsity wrestling. We keep our class sizes small on purpose. This means you get the personal attention and technical coaching you need to improve safely and see real results.

All the Reward, None of the Risk
The JJ's Philosophy
People often ask what makes us different. We call it 'Fighting for Fitness.' In our classes, you do the hitting, but no one hits you back. You get all the benefits of combat sports—the strength, the agility, and the stress relief—without the worry of getting hurt or dealing with confrontation. It is a place where hard work meets passion to help you reach your full potential.
Train with Purpose and Master Your Craft
