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Monday 6am - 9pm Tuesday 6am - 9pm Wednesday 6am - 9pm Thursday 6am - 9pm Friday 6am - 9pm Saturday 6am - 12pm

MJ Fitness & Kickboxing

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United States
Danbury, CT
MJ Fitness & Kickboxing

We Are Danbury’s #1 Transformation Program. Results-focused, Community-driven. We're Dedicated To Transforming Lives.

Bio
Former European Full Contact Karate Champion Mariusz Janicki is the founder and owner of MJ Fitness & Kickboxing . After more than 12 years of competing as a top level full contact fighter, Mariusz has retired to pursue his passion for helping others in achieving their fitness goals. Whether you are looking to lose weight, tone muscle, improve cardio, or simply live a healthier lifestyle, his focus is on you and your personal fitness needs. In addition to fighting, Mariusz has taught as a PE Teacher and Martial arts Instructor working with kids, adults, and professional athletes alike. Mariusz is always researching new training methods and ways to provide his clients with the most functional and effective workouts possible. With accomplishments such as two-time Polish Full Contact Karate Champion, four-time US Lightweight Champion, and amateur Muay Thai/K1 rule record of 8-2, Mariusz has seen, experienced, and mastered a variety of training styles from around the world. This first-hand fighting experience paired with a background in Body Building and Strength Sports Training, Boot Camp, Martial Arts, Personal Training and more, you can be sure Mariusz will help you both mentally and physically in achieving your fitness and weight loss dreams. Education/Certification
Master's Degree in Physical Education (2003) Wroclaw, Poland
Certified Trainer of Body Building and Strength Sports (2003) Worclaw, Poland
Martial Arts Instructor
Certified Personal Trainer
Certified Professional Nutritionist
Certified Boot Camp Instructor
Certified CPR / AED

11/15/2025

🚨🚨 OUR BIGGEST SALE OF THE YEAR! 🚨🚨

🔥 Brace yourself… in JUST 7 DAYS we’re dropping the BIGGEST, CRAZIEST, MOST INSANE Black Friday Sale MJ Fitness & Kickboxing has EVER done.

We’re talking 10 Transformation Memberships at a discount so huge we can only offer it ONCE A YEAR… and when they’re gone, that’s it.

💥 Over $2,000 in savings.
💥 ONLY 10 spots.
💥 NEVER offered again until next year.
💥 First come, first served — no exceptions.

If you’re even thinking about starting your transformation, THIS is the moment you’ve been waiting for.

Want the best chance to snag one of the 10 golden spots?

Then follow these steps NOW before someone else beats you to it 👇
1️⃣ Tap the link below or scan the QR
2️⃣ Join the Secret Black Friday List
3️⃣ Get our FREE Bonus Holiday Survival Guide
4️⃣ Watch your inbox on Saturday, Nov 22nd
5️⃣ Secure your deal + save over $2,000! 💸 BEFORE the public rushes in

⚠️ Warning: These WILL sell out. FAST.
If you’re not on the Secret List, you will NOT get early access — and you’ll probably miss out.
👉 JOIN THE SECRET LIST NOW — BEFORE IT’S TOO LATE! LINK BELOW 👇

https://go.mjfitnessct.com/sl-2025

11/14/2025

Happy Birthday to the one and only Coach Josh! 🎉
Thank you for your energy, your passion, and the way you push our members to be their best every single day.
Enjoy your special day! 💪🥊

11/12/2025

💥 MEMBER SPOTLIGHT: Vanessa’s Incredible Transformation 💥

Let’s give a HUGE shoutout to one of our most dedicated and inspiring members — Vanessa!

This hard-working mom and wife has achieved something truly amazing:
🔥 Over 13 pounds lost
🔥 A stunning 11% body fat burned
🔥 Multiple clothing sizes dropped
🔥 And a whole new level of confidence and energy

Despite her full plate at home and in life, Vanessa never lets excuses get in the way. She shows up to class ready to push herself and sets an incredible example for everyone around her.

But what makes Vanessa truly special goes beyond the numbers…

She’s a pillar of our community — always encouraging others, uplifting teammates, and radiating positivity. Her journey is proof that when you commit to yourself, anything is possible.

Vanessa, we are beyond proud of you! Your results are incredible — but your consistency, mindset, and spirit are what make you such a powerful role model.
Keep crushing it 💪🔥

11/10/2025

📢 2 Weeks Until We Drop Our BIGGEST Black Friday Sale Of The Year!

We’re giving away 10 MJ Fitness & Kickboxing memberships at a MASSIVE Black Friday discount 💥 — and this is the only time all year our memberships are ever on sale!

Want in? Follow these 5 easy steps 👇

1️⃣ Tap the link below 👇
2️⃣ Join the Secret Black Friday List
3️⃣ Get our FREE Bonus Holiday Survival Guide to start your transformation early
4️⃣ Check your email Saturday, Nov 22nd for early access before the public
5️⃣ Secure your deal + save a TON of money! 💸

This is your chance to finally start your transformation and save BIG — but only if you’re on the Secret List!

We don’t run “sales.” We change lives — and this is your shot to join the team and save big doing it. 💪

Join the Secret Black Friday List below to get early access before the public 👇

https://go.mjfitnessct.com/sl-2025

Dedicated to your success,

— The MJ Fitness Team

11/09/2025

MJ FitKick Squad CRUSHES another race! 💥
So proud of our 20+ warriors who conquered the iconic Fenway Park course together 🏟️🙌

This marks our 4th Spartan of the year — and what a journey it’s been:
✅ June: 5K – Bethel
✅ July: 10K – Poconos
✅ September: 21K – Killington
🔥 October: Fenway Park!

We train together. We fight together. We finish together.
AROO!🔥

🎥 Video highlight coming soon — stay tuned!

11/07/2025

Cardio blazing, planks holding strong. Coach James brought the fire 🔥 for our 7pm crew. They all showed up big with this finisher 💪

11/06/2025

Please help us give a massive round of applause to Sofia, our 6-Week Challenge Winner! 🎉

Sofia is a hardworking mom and a true force of determination. While many people use long hours and exhaustion as a reason to slow down… Sofia used them as fuel to rise higher.

Working overnight shifts at the local hospital, she could’ve easily chosen rest over movement, comfort over challenge. But not Sofia. She showed up straight from her night shift, still smiling, still committed, and ready to crush every workout — no matter how tired she was.

And the results speak for themselves:
🔥 9.4 pounds lost
🔥 3% body fat burned
🔥 A mindset that refuses to quit

Sofia is the definition of grit, grace, and grind. Her journey reminds us that there will never be a perfect time — only a powerful decision to start. And once she did, there was no stopping her.

She’s not just stronger physically… she’s an inspiration to other working parents, healthcare workers, and anyone who feels “too busy” or “too tired” to prioritize themselves.

Sofia, we are so incredibly proud of you. You are unstoppable. Your drive is contagious, and your story is one that proves: where there’s commitment, there will always be progress.

Let’s keep going — the best is still ahead! 💪🔥

if you’re tired of gimmicks, tired of doing it alone, and finally ready to transform your life — we’ve got something special for you...

🎉 LIMITED-TIME OFFER: 21 Days for Just $21!
We’re opening 5 new spots every Monday for committed individuals who want to start strong.

Don’t wait. If you’re ready to take action, we’re ready to guide you.

📩 Simply DM “21DAYS” to grab your spot for this Monday before all 5 are gone.

Let’s do this — together.

11/05/2025

💥🎉 Big birthday shout-out to our front desk superstar Lady! 🎂
You keep our gym running like a well-oiled machine, always with a smile and great vibes!
We’re so lucky to have you as part of the MJ Fitness family. 💚
Drop some birthday love below 👇💫

11/04/2025

Who says finishers can’t be fun? 😜

Coach Amanda’s Tic Tac Toe Finisher had everyone laughing, sweating, and competing hard!
This crew never misses a chance to make fitness exciting 😅

11/02/2025

🚨 JUST LAUNCHED: 21 Days for Only $21! 🚨

This November, we’re giving 5 new clients each week the chance to train with us for 21 days — no strings, no gimmicks.

💪 Unlimited Group Sessions
📊 Free InBody Scan ($30 value)
💬 Support + Accountability
✔️ Confidence
⚡Energy

👉 Only 5 spots open every Monday
👉 Offer ends this month!

DM “21DAYS” now to reserve yours!

Disclaimer: Offer is open to first-time visitors. Excludes past members, challengers, and anyone who has previously used a special offer or promotion.

10/31/2025

Happy Halloween from our MJ Fitness Fam to yours! 🎃👻
Stay safe and don’t eat too much candy 😉🍬

Address

5 Shelter Rock Road, Building D, 2nd Floor (next To DMV)
Danbury, CT
06810

Opening Hours

Monday	6am - 9pm
Tuesday	6am - 9pm
Wednesday	6am - 9pm
Thursday	6am - 9pm
Friday	6am - 9pm
Saturday	6am - 12pm

Telephone

+2038854580

Website

http://mjfitnessct.com/

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