Karate in Ann Arbor has never looked like this.

Are you ready to dig deep, step up, and join something bigger than yourself?

Think you’ve got what it takes to survive 12 hours of nonstop martial arts training?
If you’re serious about martial arts and ready for an unforgettable challenge, we are bringing back the legendary JMAC Crucible—a full-day intensive that will push your limits and transform your mindset.

What Is the JMAC Crucible?

This isn’t your average martial arts seminar. The JMAC Crucible is a 12-hour, deep-dive training experience that combines disciplines like striking, takedowns, throws, and grappling. From the moment the clock starts at 6:00 AM until the final bow at 6:00 PM, you’ll be immersed in a physically demanding and focused environment.

But, it’s not just about technique. Throughout the day, you’ll tap into meditation practices, mental conditioning, and sports psychology to sharpen your focus and build resilience.

You can’t leave. You won’t quit. Nobody walks away unchanged.

Get Ready: How to Prepare

Start prepping now to make the most of your Crucible experience.

Physical Preparation:

• Rest well in the days leading up to the event.
• Stay hydrated and eat light, nourishing meals.
• Avoid alcohol and anything that might drain your energy.

Gear Checklist:

• Two clean uniforms (gi)
• Rash guards
• Soft knee pads (volleyball style is best)
• Towels
• Plenty of water or sports drinks
• Light snacks
• Any necessary medications

Hygiene & Mindset:

• Trim nails and tie back long hair.
• Show up clean and prepared.
• Bring a positive attitude, a grateful spirit, and be ready to support your fellow martial artists.

More Than a Challenge—It’s a Community

The JMAC Crucible isn’t just a grueling day of training—it’s a shared journey. You’ll be surrounded by people who are just as committed to martial arts as you are. When it’s over, you’ll not only walk away with new skills, but a deep sense of accomplishment and connection.

 

Don't miss out on this experience.

 You’ll receive a commemorative Crucible t-shirt and challenge coin just for showing up—but the real reward is how you’ll feel when you finish.

🔗 Register Now for the JMAC Crucible – July 19, 2025

Note: This event is open to participants age 16 and older. Those under 18 must have a parent or guardian present throughout the day.

Bonus: Kids Crucible

Want to get your young martial artist involved? We’ve got something for them, too.

Join us the evening before for the Kids Crucible—a three-hour version designed for ages 8 to 15. It runs Friday, July 18, from 5:00 PM to 8:00 PM and introduces youth to the same values and intensity, in an age-appropriate format.