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.

WHICH FITNESS TREND ARE YOU? Fitness is getting stronger, more social, and way more fun! 💪Whether you’re chasing strengt...
09/01/2026

WHICH FITNESS TREND ARE YOU?

Fitness is getting stronger, more social, and way more fun! 💪

Whether you’re chasing strength, loving the sweat, taking on new challenges, or showing up for the community, there’s a fitness trend for everyone.

Now it’s your turn! 👀

👇 COMMENT YOUR FITNESS TREND BELOW!

Tag your workout buddy and see if you’re on the same page.

🥋 LABOR DAY CLOSURE NOTICEA quick reminder, Xtreme Ninja families!Xtreme Ninja will be CLOSED from September 5–7 in obse...
09/01/2026

🥋 LABOR DAY CLOSURE NOTICE

A quick reminder, Xtreme Ninja families!
Xtreme Ninja will be CLOSED from September 5–7 in observance of Labor Day.

📅 Closure Dates: September 5–7
🥋 Classes Resume: September 8

Enjoy the long weekend, get some rest, spend time with family, and come back ready to train! 💪🔥

We’ll see you back on the mats September 8!

🥷 HOLIDAY CLOSURE NOTICE 🥷Xtreme Ninja will be closed for Labor Day Weekend, Saturday, September 5 – Monday, September 7...
09/01/2026

🥷 HOLIDAY CLOSURE NOTICE 🥷

Xtreme Ninja will be closed for Labor Day Weekend, Saturday, September 5 – Monday, September 7, 2026. We're taking this time to rest, recharge, and spend it with our own families — and we hope you get to do the same. 🇺🇸

All regular classes will resume as normal on Tuesday, September 8, 2026.

Same schedule, same energy — see you back on the mats!

Enjoy the long weekend everyone! 💪

YOUR WORKOUT SHOULDN’T END WHEN YOU PUT THE WEIGHTS DOWN. Strength is only one piece of the puzzle.At Xtreme Ninja Fitne...
08/28/2026

YOUR WORKOUT SHOULDN’T END WHEN YOU PUT THE WEIGHTS DOWN.

Strength is only one piece of the puzzle.

At Xtreme Ninja Fitness, we’re making August about stronger muscles + better movement.

🏋️ Lift to build strength.
🧘 Stretch to move better.
🔄 Work on mobility to keep your body moving well.
💪 Put it all together to become stronger, more capable, and more confident.

And with our new training space, there’s more room to do exactly that.

You don’t need to wait for a new month to start taking your training seriously.

Finish August strong, and carry that momentum into September.

Ready to make your training work harder for you? Come see what’s new at Xtreme Ninja Fitness.

One of our members recently shared how their journey at Xtreme Ninja Fitness helped them lose 12 lbs and 4.5% body fat, ...
08/27/2026

One of our members recently shared how their journey at Xtreme Ninja Fitness helped them lose 12 lbs and 4.5% body fat, while becoming stronger and more confident along the way.

They also highlighted what makes our training different: knowledgeable coaching, modifications for every fitness level, positive encouragement, and a community that truly cares.

With our new space, we’re continuing to create an environment where you can build strength, improve mobility, move better, and challenge yourself at your own pace.

Your goals are personal. Your training should be too.

Come see what makes Xtreme Ninja Fitness one of a kind. 🔥

A good session starts before the first rep.Focus going in.Work in the middle.Recovery before you leave.Pre.Train.Intra.S...
08/26/2026

A good session starts before the first rep.

Focus going in.
Work in the middle.
Recovery before you leave.

Pre.
Train.
Intra.

Simple system. Stronger results.

Want to dial in your training and recovery? Get your Prestige Labs essentials here: https://refer.prestigelabs.com/?af=gke7tpml

08/26/2026
YOUR TURN TO BUILD THE WORKOUT! 💪If you could choose one strength move, one mobility exercise, and one finisher, what wo...
08/25/2026

YOUR TURN TO BUILD THE WORKOUT! 💪

If you could choose one strength move, one mobility exercise, and one finisher, what would your perfect workout look like?

🏋️ Pick your strength
🧘 Pick your mobility
🔥 Pick your finisher

Drop your combo in the comments! 👇

Example: 1A + 2B + 3C

Let’s see who creates the ultimate training combo!

Getting stronger isn't just about lifting heavier weights or hitting a new personal best. It's about building a body tha...
08/24/2026

Getting stronger isn't just about lifting heavier weights or hitting a new personal best. It's about building a body that feels capable in everyday life.

Strength training helps you build muscle, improve stability, support your joints, and develop the confidence to tackle the things you enjoy, from picking up the kids to carrying groceries, climbing stairs, playing with your family, or simply feeling stronger in your day-to-day routine.

Mobility and stretching matter too.

A strong body that can move freely is better prepared for whatever life brings.

Taking time to stretch, improve your range of motion, and recover properly can help you move with greater control and confidence.

That's why we're making strength, mobility, and movement a bigger part of our training this August. ❤️

Don't just train to look stronger. Train to move better, feel better, and stay capable for life.

New space. New energy. Stronger you. 💪August is all about putting strength back into your training.More weights.More mob...
08/21/2026

New space. New energy. Stronger you. 💪

August is all about putting strength back into your training.

More weights.
More mobility.
More movement.
More progress.

Our new space gives you even more room to challenge yourself, work on your strength, improve your movement, and enjoy every session along the way. 🏋️‍♀️

You don’t need to be the strongest in the room. You just need to show up, put in the work, and keep building.

Ready to see what you’re capable of? Come train with us at Xtreme Ninja Fitness! 🥋

📩 Send us a message and let’s get you started.

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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