Xtreme Ninja Fitness

Xtreme Ninja Fitness Kickboxing, Bootcamp, Private and Small group training Plus, nothing relieves stress more than hitting a heavy bag. Get ready to let all that stress go.

Come try the funnest, most fat-melting workout in Medford and near Somerville, Cambridge, Winchester, Stoneham, Everett, Malden or just about anywhere near there. Our Xtreme Ninja fitness program takes the workouts of pro fighters - and makes them fun and accessible to anyone looking to lose weight. We guarantee you'll flatten your stomach, tone your arms and legs, shrink your hips, and have the t

ime of your life. If you live in the following areas: Medford, Somerville, Cambridge, Winchester, Stoneham, Everett, Malden, you are close enough to come train with us.

You stopped saying, “I’ll start next week.”You stopped waiting for the perfect time, the perfect schedule, or the perfec...
09/07/2026

You stopped saying, “I’ll start next week.”

You stopped waiting for the perfect time, the perfect schedule, or the perfect motivation.

You just showed up.

Because progress doesn’t start on Monday. It starts the moment you decide to take that first step.

Maybe today is the day you get back into your routine.
Maybe it’s the day you try that class you’ve been thinking about.
Maybe it’s simply the day you choose to show up for yourself.

✨ No pressure. No perfection. Just progress.

September is giving new routine, fresh energy, and getting back in the game.

Your sign to stop waiting? This is it.

Have you noticed things look a little different around Xtreme Ninja lately?That's because something BIG is happening beh...
09/07/2026

Have you noticed things look a little different around Xtreme Ninja lately?

That's because something BIG is happening behind the scenes...

For months, we've been planning a transformation that will completely elevate the training experience for our members. Every wall, every floor, every detail is being designed with one goal in mind—to create a space where athletes, adults, and families can train at their very best.

We're not ready to show you everything just yet... but trust us, it's going to be worth the wait.

This is just the beginning.

Stay tuned because over the next few weeks, we'll be taking you behind the scenes of a transformation we can't wait to share with our community.

👇 Drop a 👀 if you're excited to see what's coming!

HAPPY LABOR DAY FROM XTREME NINJA! 🥋Today, we celebrate the hard work, dedication, and perseverance that make our commun...
09/05/2026

HAPPY LABOR DAY FROM XTREME NINJA! 🥋

Today, we celebrate the hard work, dedication, and perseverance that make our community so strong 💪

Whether you’re spending the day with family, relaxing at home, or enjoying the long weekend, we hope you’re having a safe, happy, and well-deserved Labor Day!

We’ll be back on the mats and ready to train September 8!
Enjoy the rest of your holiday, Xtreme Ninja family!❤️

🎉 BACK-TO-SCHOOL POTLUCK PARTY! It’s time to kick off the new school year the Xtreme Ninja way! We’re bringing the entir...
09/04/2026

🎉 BACK-TO-SCHOOL POTLUCK PARTY!

It’s time to kick off the new school year the Xtreme Ninja way!
We’re bringing the entire Xtreme Ninja family together for a fun night of food, laughs, and good company and all of our youth and adult members are invited!

📅 September 11
⏰ 6:00–8:00 PM

And what’s a potluck without FOOD? 😋

Bring your favorite dish, snack, dessert, or drink to share! Whether it’s your family favorite, something homemade, or the dish everyone always asks you to bring, we want it at the table!

🥋 Youth members
🥋 Adult members
🍴 Good food
🎉 Good people
❤️ One Xtreme Ninja family

Let’s celebrate the start of a new school year together!
Mark your calendar, bring a dish, and come hungry!

Show up 10 minutes early.Get your gloves ready.Grab your Ultra before XFit.Push through one more round.Leave class feeli...
09/04/2026

Show up 10 minutes early.
Get your gloves ready.
Grab your Ultra before XFit.
Push through one more round.
Leave class feeling stronger than when you walked in.

No need to announce it. No need to make excuses.

Just show up, put in the work, and let the results speak. 🔥

This September, being consistent is the real flex.

Ready to make showing up your new favourite habit?

🥊 Train with Xtreme Ninja Fitness!

A new season means new goals, new challenges, and plenty of opportunities to get stronger, sharper, and better! 💪🔥Our Fa...
09/03/2026

A new season means new goals, new challenges, and plenty of opportunities to get stronger, sharper, and better! 💪🔥

Our Fall Schedule is officially OUT and ready for you to check! 📅

Book a class and challenge yourself, now is the perfect time to plan ahead and get those training days on the calendar.

✅ Check your class times
✅ Find your favorite training sessions
✅ Plan around your busy fall schedule
✅ Get ready to hit the mat with us! 👊

📲 Head over to xtremeninja.com to view the full Fall Schedule and make sure you know when and where to be.

https://www.xtremeninja.com/schedules

(Copies will also be available soon at our Front desk.)

Let’s make this season one to remember! 🥷🔥
We’ll see you on the mat!

09/03/2026

📣 SEPTEMBER NEWSLETTER HAS ARRIVED! 🥷

September is here, and things are getting even more exciting at Xtreme Ninja!

Our Back to School Challenge is officially underway, bringing fresh energy, new goals, and plenty of opportunities to show up, stay consistent, and have fun together!

Inside this month's newsletter, you'll find challenge updates, upcoming events, important announcements, student achievements, training tips, and more.

Whether you're already taking part in the challenge or simply looking to stay connected with everything happening at Xtreme Ninja, there's something for everyone!

📖 Take a few minutes to check out this month's newsletter and see what's happening at the dojo.
Let's make this Back to School season our strongest one yet!

Check the link here:

We caught the scheduling mix-up and want to make sure everyone has the correct information so nobody shows up a week early, a day late, or ready to train when we’re actually doing something completely different!

POV: You came for the workout… and found your people. 🥊Sometimes, the biggest transformation isn't just what happens in ...
09/03/2026

POV: You came for the workout… and found your people. 🥊

Sometimes, the biggest transformation isn't just what happens in the mirror.

Before joining Xtreme Ninja Martial Arts & Fitness Center, this member shared that they were not exercising, unhappy, overweight, and anti-social.

Five months later?
✨ 20 pounds down
✨ Living a healthier, happier lifestyle
✨ More active and confident
✨ And, perhaps most unexpectedly, surrounded by new friends who motivate
them to keep showing up, especially for Ninja. 🥷🔥

“These new friends that I have made here have inspired me and motivated me to come to class, especially Ninja.”

That's what makes a fitness community different.

You don't just walk through the doors to work out. You find people who cheer you on, push you forward, and make you actually want to come back.

Because fitness is better when you don't have to do it alone. ❤️

Come for the workout. Stay for the community.

Want to get more out of your training? Start with the basics.Creatine is one of the most researched and widely used supp...
09/02/2026

Want to get more out of your training? Start with the basics.

Creatine is one of the most researched and widely used supplements for supporting strength, power, and performance.

If you’re looking to add a quality creatine supplement to your routine, we recommend Prestige Labs Creatine Monohydrate.

Ready to give it a try?

Shop Prestige Labs HERE: https://refer.prestigelabs.com/?af=gke7tpml

09/02/2026

Address

45 Riverside Avenue
Medford, MA
02155

Opening Hours

Monday 5:30am - 10:30am
5pm - 8:30pm
Tuesday 5pm - 8:30pm
Wednesday 5:30am - 10:30am
5pm - 8:30pm
Thursday 5pm - 8:30pm
Friday 5:30am - 10:30am
5pm - 8:30pm
Saturday 7am - 1pm

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