What are the opening hours?

Monday 6:30am - 8:30pm Tuesday 6:30am - 8:30pm Wednesday 6:30am - 8:30pm Thursday 6:30am - 8:30pm Friday 6:30am - 10am Saturday 9am - 1:15pm

Sigma Martial Arts & Fitness

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United States
Medford, MA
Sigma Martial Arts & Fitness

Dedicated to providing excellent martial arts training for adults and children

09/06/2026

Sigma will be closed Monday, September 7th for Labor Day and will reopen Tuesday, September 8th with our normal schedule.

Have a nice and safe holiday weekend! 💚💛

08/19/2026

🥊 FIGHT BACK: WOMEN’S SELF-DEFENSE

A fun, practical 2-hour seminar led by Coach Maia!

For women. Taught by a woman.

Learn simple ways to:
• Escape grabs and holds
• Use effective strikes
• React with more confidence
• Protect yourself without needing to be stronger

📅 Saturday, September 19
⏰ 2–4 PM
📍 Sigma Martial Arts | 28 High St., Medford
👊 Women 18+

$40 by Sept. 11 + FREE water bottle
$50 after Sept. 11

Bring a friend, grab your crew, and come learn something useful while having fun!

Limited spots available.
🔗 Register through the link in our bio
📧 [email protected]

08/06/2026

🚨 After School Spots Open! 🚨

Need a safe, active place for your child after school?

Sigma Martial Arts & Fitness has limited openings for the upcoming school year!

✅ Bus drop-off right at our studio
✅ Martial arts training included
✅ Builds discipline, confidence & respect
✅ Half-day coverage available
✅ Access to extra classes

A fun, structured environment where kids stay active and grow.

Questions? DM us or email Sensei Manny at [email protected]

Apply here:
sigma-ma.com/afterschool

07/30/2026

🎉🥊 ONE YEAR OF STRIKE LAB EVENING CLASSES! 🥊🎉

A year ago, we launched our evening classes with a simple goal: create a fun, welcoming place where people in our community could get fit, learn new skills, and enjoy training together.

Today, we’re celebrating ONE AMAZING YEAR of growth, hard work, and an incredible community that continues to show up and support one another.

To say thank you, we’re offering 2 FREE WEEKS of Strike Lab (formerly Kickboxing)!

🔥 No experience necessary
🔥 No commitment to enroll after
🔥 Train with an amazing community
🔥 Get a great workout while having fun

Can’t make evenings? No problem!

✅ Noon Classes
✅ Saturday Morning Classes

You pick how you get fit!

Whether you’re looking to build confidence, relieve stress, improve your fitness, or simply try something new, we’d love to have you join us.

📧 Email Coach Manny, Head Instructor & Manager, at [email protected] to claim your FREE 2-week trial.

Thank you to everyone who has helped make this first year such a success. Here’s to many more years of training together! 💪🥋

07/28/2026

Smash & Bash 2 happened this past weekend. Lots of fun with a great bunch of kids!

07/22/2026

About a year ago, Coach Manny started a 7 PM kickboxing class at Sigma Martial Arts. What started as a small group has grown into an amazing community of adults showing up for themselves, getting stronger, relieving stress, and having a great time along the way.

As a thank you to the community for all of the support, Coach Manny is offering 2 FREE weeks of Strike Lab (formerly Kickboxing) for any moms, dads, or adults who have been thinking about trying something new.

No experience is needed. Whether you’re looking to get in shape, boost your confidence, meet great people, or simply do something for yourself, this is a great opportunity to give it a try.

Choose from four amazing coaching experiences, or try them all!

🥊 Coach Maia
Monday, Tuesday & Thursday at 7 PM

🥊 Coach Manny
Wednesday at 7 PM

🥊 Coach Tim
Monday through Thursday at 12 PM

🥊 Coach Chris
Saturday at 9 AM & 10:15 AM

To claim your 2 FREE weeks, email [email protected].

Come see why Strike Lab has become one of Sigma’s fastest-growing adult programs. We’d love to welcome you to the community.

07/15/2026

💥🎉 SMASH & BASH 2 with SENSEI MANNY! 🎉💥

Sigma families, we’re bringing back one of our favorite events!

📅 Saturday, July 25th
⏰ 2:00 PM - 5:00 PM
👦👧 Ages 6-12
⚠️ Limited to 20 kids

Join Sensei Manny for an afternoon of fun, games, food, and board breaking!

🥋 Learn cool kicks and martial arts tricks
🎨 Color your own breaking board
🎮 Games and challenges
🍕 Pizza, chips, and a drink included
🎬 Movie time
💥 1 board to color and break included

🎁 Register by Saturday, July 18th and receive a FREE Official Sigma Headband!

💰 Sigma Student Price: $50
💰 Non-Sigma Guest Price: $60

Invite a friend! Non-students are welcome to attend.

🔥 Want more boards to break? Add a bundle of 5 boards for just $20.

📲 Ready to register?
Visit the link below to reserve your spot and purchase additional boards:

Sigma Registration & Shop

Spots are limited and these events fill quickly. Reserve your child’s spot today!

07/04/2026

🇺🇸 Happy 4th of July! 🇺🇸

Wishing everyone a safe, joyful, and memorable Independence Day!

We’ll see everyone back on the mats Monday July 6th with the new schedule beginning and our first week of summer programming underway!

06/25/2026

More Father’s Day Class footage! 🎉

The kids and dads had an amazing time training together this past weekend. Lots of smiles, laughs, and memories made on the mat. Thanks to everyone who joined us! 💙🥋

06/22/2026

🕶️🥋 Father’s Day fun at Sigma! 💚

Our dads showed up, hit the mats, and rocked their cool shades all class long 😎🔥. Lots of laughs, great training, and even better memories with our Sigma families!

Happy Father’s Day to all the amazing dads and father figures! 👏💪

🕶️🥋💚

Address

28 High Street
Medford, MA
02155

Opening Hours

Monday	6:30am - 8:30pm
Tuesday	6:30am - 8:30pm
Wednesday	6:30am - 8:30pm
Thursday	6:30am - 8:30pm
Friday	6:30am - 10am
Saturday	9am - 1:15pm

Website

http://sigma-ma.com/

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