Mass BJJ

Mass BJJ Mass BJJ has been offering instruction in: Brazilian Jiu-Jitsu, Kickboxing and MMA for over 20 years. We have programs for adults and kids.
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If you are interested in training in a fun and safe environment you can reach us at [email protected]. We strive to provide an environment that is welcoming and encouraging to people of all ages, body types and levels of physical fitness. Whether you are a beginner or a life long martial artist we have something to offer you.

Congrats to the two people that skipped the belt promotion ceremony!  James has been pushing hard these last few months ...
06/09/2026

Congrats to the two people that skipped the belt promotion ceremony! James has been pushing hard these last few months for his blue belt. His friendly blue belts welcomed him into their ranks by cranking on his neck last night!

I don’t need to tell anyone that trains here just how strong and tough Trish is. She recently ran a class for Macarena. I went in about 30 mins into class and I was told, “Trish may be a nice person but she is a mean Coach!” As well as juggling 4 kids and a career, she has been killing it on the mat!

Congrats guys!

I wanted to wait a little with all the other posts from the weekend to put up a separate post for Mike.  Last week Mike ...
06/05/2026

I wanted to wait a little with all the other posts from the weekend to put up a separate post for Mike. Last week Mike was awarded his black belt in BJJ.

Mike has been training with us since we were at the yellow school where Mass BJJ first started out. He came to us with some jiu-jitsu knowledge already and I remember thinking when I first trained with him that he was both technical and tough. Way back then Mike was ahead of the times trying all sorts of crazy leg locks on everyone.

He stayed with us for several years and then took some time off the mats. Once he returned he has been one of the constants in the day class. It is rare to have a noon BJJ class that Mike doesn’t show up for.

Mike is a great role model at the school as I know he doesn’t want me to post his age because when people complain about why they can’t train at age 40 or 50 I yell across the room, “Mike how old are you?” He just smiles and says, “Age is just a number.” Never gives an answer and keeps on training.

Through his journey he has balanced his game between learning and chasing the meta in competitive jiu-jitsu and honing and refining the fundamentals of jiu-jitsu.

More importantly, Mike always has a smile on his face from when he is helping a newer student or Ryan is kneeling on it.

Congrats on your promotion Mike!

A big thank you to  for all the work he puts in each time we have an event.  He took time out of his day earlier this we...
05/31/2026

A big thank you to for all the work he puts in each time we have an event. He took time out of his day earlier this week to go down and get all the picanha and pork with me. He prepped and cooked last night and then showed up hours before anyone else to set up then cook everything. He was the last one to leave this afternoon after breaking everything down and cleaning up. I can’t thank him enough for all he does to make these days extra special!

Sunday May 31st we are going to hold a belt promotion ceremony.  The ceremony will start at 10:30am.After the ceremony (...
05/06/2026

Sunday May 31st we are going to hold a belt promotion ceremony. The ceremony will start at 10:30am.

After the ceremony (around 11:00am depending on how long we blab on) we will have a seminar with Nate and Pat’s instructor, Roberto Maia. Roberto is a coral belt and considered the father of jiu-jitsu in New England.

After the seminar we will have Brazilian BBQ outside.

The cost of the seminar and BBQ is $30 per adult.

We will have a sign up at the front desk or message us at [email protected]

Address

12 Craig Road
Acton, MA
01720

Opening Hours

Monday 12pm - 2pm
3:30pm - 8pm
Tuesday 5pm - 8pm
Wednesday 12pm - 2pm
4pm - 9pm
Thursday 5pm - 8pm
Friday 12pm - 2pm
4pm - 8pm
Saturday 8pm - 12pm
Sunday 8am - 12pm

Telephone

+19787953300

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