Mass BJJ

Mass BJJ has been offering instruction in: Brazilian Jiu-Jitsu, Kickboxing and Mixed Martial Arts for over 13 years. Check us out at or email us at [email protected] for more info!

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.

[12/29/19]   2020 Jiu-jitsu Resolutions. I was asking some people what their jiu-jitsu resolutions were for 2020. Some people said, "I want to get better at my stand up game," others said, "I am going to focus on my butterfly sweeps," or, "I am going to work on transitions." All of these are wrong answers! Finally, someone (MJ), got the answer right when I asked her, she said, "TRAIN MORE!" Patric

[12/17/19]   ❄️Classes are ON tonight❄️

Warm up with
kickboxing or [email protected] 6pm and MMA @7pm!

[12/17/19]   The woman’s am kickboxing class will be canceled do to the snow.

Congrats to Big Joe on earning his purple belt. Joe is one of the strongest guys in the gym. In fact after he signed up I used to put him in the back of the mat during kickboxing so people driving by wouldn’t see him and be to scared to come in. (The old school had big windows right on Main Street).

One day after training Joe told me that he had driven by Mass BJJ for 3 months before he came in because he was nervous about what he would walk into. This has always stuck with me that if someone as tough and physically imposing as Joe was nervous about coming in, just how many people were driving by and never made it in, or how nervous so many of the people may be when they do walk in for their first class. There are so many great lessons I learn from our students and I still think of this every time someone walks on the mat for the first time.

Congrats to Phil on earning his Purple belt! He went home and his daughter (who also trains) saw his new belt and said, “What’s that?”
He replied, “I got promoted to purple belt tonight.”
Her response, “Well that belt isn’t going to make you any better...”

Words of wisdom, but congrats from the rest of us!
@ Mass BJJ

[12/02/19]   We are open for all regularly scheduled classes today. See you on the mat!

Timeline Photos

Lauzon Mixed Martial Arts

Stealing this from Joe. Doesn’t matter where you sign up just sign up! I’m always amazed when parents think Jiu-Jitsu is good for their sons but not their daughters...

Parents, if you have a daughter, sign her up for jiu jitsu. You will be glad you did #LauzonMMA #LauzonBJJ #TeamLauzon

[11/11/19]   We are open with our normal schedule today.

See you on the mat!

Congrats to Ryan on earning his blue belt!

[11/01/19]   Reminder: Kids are welcome to wear their costumes to class today!

[10/31/19]   There are no classes tonight (Thursday). There will be an open mat from 6:00-7:30pm.
Happy Halloween!

Friday night fundamentals, a little something for everyone.
#bjj #jiujitsuforeveryone #girlsingis #actonma

Kids BJJ 6-8... A moment of calm...
#kidsbjj #massbjj #massbjjacton

The noon class finishing up a week of mount attacks. 7 women on the mat was pretty awesome to see as well!

It’s always exciting promoting these little ninjas! They get so amped up when we call them up! Congrats again!

#kidsclasses #massbjj #team #respect #patients #hardwork #fun #family #bettereveryday

Yin and Yang - “The eternal struggle”

[10/13/19]   We will be open for all regular classes on Monday. See you on the mat!

Congratulations to all of those promoted this morning! From our white belts to our 2nd degree black belts and the supporting friends and family members, all of you make Mass BJJ the special community that it has become!

Congratulations to our newest black belts and to everyone else who was promoted today! More pictures to come soon!

Facing our Fears:

Kajetan has been training with us for a few years now. He is a funny sweet kid that is always smiling. He’s pretty tough too!

Recently he started to have a tough time on the mat. His smiles would suddenly turn to tears. We sat down and spoke with him and his parents about what was going on, and they said he had had a bad experience wrestling with one of the boys in class. The boy hadn’t hurt him or wasn’t mean to him, he was just bigger and moved fast and it scared Kajetan. They had spent the summer overseas and said that Kajetan would ask almost daily if that boy would be at Jiu-Jitsu when they returned. It had clearly become a big issue for him.

When it was time to wrestle, I told Kajetan that I was going to pair him with this boy. He immediately became upset. I told him that I would stay right next to him and that I wouldn’t let anything bad happen to him, that we could stop any time he wanted. We talked about his fear, and that it was ok to be afraid, but we needed to challenge that fear and not let it consume us.

He took some deep breaths and they wrestled. It was easy to see that he was tense. He started in top position and used all his energy just trying to stay on top while trying to pass guard. I stopped them after about two minutes and he was gassed from the adrenaline and emotions. He had a huge smile on his face while the stains of the tears from earlier were still on his cheeks... There seemed to be a mix of pride and relief in his eyes.
The kids always work hard to earn their belts but this was a special one for me. To watch someone so small who we have really grown to care about so much, dig down and challenge themselves like this made all of us coaching so proud.

My hope is that when these kids get older, if there is a bully or someone at school that gives them that feeling of fear when they see them walking down the hallway, that they have taken the smaller steps of confronting their fear while they are on the mats and that they are better equipped to take a deep breath and not let that fear consume them. @ Mass BJJ

Free Women’s self defense seminar with Muay Thai instructor Tara Tremelling!
Saturday October 19th 2:00-4:00pm.
If you know someone that has been thinking about trying out jiu-Jitsu or kickboxing his is a great opportunity to give it a shot!

So much improvement. These little warriors have easy days and hard days, while keeping a smile. Awesome watching there skills evolve to greater levels!

You can be strong and you can be kind.

Just hanging out, watching Dad do his thing.

One of the best days ever, promotions day! It’s awesome seeing the class get jacked up! They work so hard! Congratulations again to these little warriors!

#team #family #kidsclass #workhardplayhard #bjj #wrestling #skill #strangth #nevergiveup

84 years young! Came in for her first class to share the mat with her grandson. It may not have been her intention, but she inspired everyone in the room. We’re never to old to try something new or push out of our comfort zone! @ Mass BJJ

Hope everyone had a great long weekend! We kicked it off strong on Friday! Congrats to these kids and all their hard work!

#bjj #hardwork #team #patience #newlevels #actonma

Enjoy the long weekend- see you on the mats!

Congrats to Matt and Kristie and welcome Eloise! Won’t be too many years until you’re tapping your Dad and Uncle!

Wrangling the Mass BJJ kids crew together from Green Meadow right after their first day back to school! @ Green Meadow

Bridgewater State Athletics Hall of Fame Class of 2019 Announced

Congrats to Jimmy, he will be inducted into the BSU Hall of Fame for his wrestling career! BRIDGEWATER, Mass. -- The Bridgewater State University Athletics Hall of Fame Committee has announced the members of its 23rd induction class to be enshrined during Homecoming Weekend in October. Betsy Ahearn '03, Chris Carr '01, Carrie (Kuprycz ) Consalvi '00, Andrea Erickson '90, Bob Mason '65, Mi...

Nothing without effort! If You show up, work hard, have good attitude and never give up, nothing will stop you.

#kidsclass #newlevels #overcome #effort #workhardplayhard #promotionday #family #bjj #wrestling #friends

Duck Unders, Peekaboo or Scott has been reading Ashida Kim books!

Congrats to Dan on taking silver in the Master Worlds!

Great job last week in the kids classes. Always getting better!

#kidsclasses #bjj #bettereveryday #family #promotion #greatjob

Charlie’s Tuesday morning 7:00am class is back on. Get at it if you want to hit the mats early!

Congrats to Joey on earning his Blue Belt! Joey had a great weekend taking 2nd at Grappling Industries and has worked hard to get his Jiu-Jitsu to the next level!

Off to a great start! Plenty of giggles when we’re off the mat and lots of focus and learning on the mat! Looking forward to a great week 🙂

We do still have a few spots available - email [email protected] to register

All smiles on the mat this and last week. If these little warriors keep training, when they get older they will be pushing us around! Congratulations again to these students! They work so hard!

#bjj #kidsclass #workhardplayhard #newlevels #family #team #respect #strong

Engage with purpose.

There's still time to register for our August camp! We'll meet Monday, August 19th - Thursday, August 23rd from 9a-2p. Ages 4-14 welcome.

Contact [email protected] with questions or to sign-up your student! Please note: you do NOT have to be a current member to attend and no previous jiu-jitsu experience is required.

Josh, Corn and Aaron Black belt seminar to raise money for Greg’s ride for the Pan Mass Challenge!

Photos from Mass BJJ's post

I can’t remember when Brandon started training with us, he says four and a half years old but it was so early on at the school that I kind of always remember him being around. His family has been such a positive presence for so many years at Mass BJJ. With them getting ready to make the move to D.C. and Brandon going off to college, he just finished up his last training session at the school.

It’s always sad to have great people move away, but it’s also heartwarming to think of the journey they have waiting ahead. Good luck to you in all you do, make sure to stop in to say hi and don’t repeatedly poke at anyone else’s scabs when they tell you that their leg hurts and not to touch them! 😉

Always progress on the mat. Congratulations to these little warriors, they work so hard!

#proud #hardworking #newlevels #limitless #team #family #bjj

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12 Craig Rd
Acton, MA

Opening Hours

Monday 15:30 - 20:00
Monday 12:00 - 14:00
Tuesday 17:00 - 20:00
Wednesday 16:00 - 21:00
Wednesday 12:00 - 14:00
Thursday 17:00 - 20:00
Friday 16:00 - 20:00
Friday 12:00 - 14:00
Saturday 20:00 - 12:00
Sunday 08:00 - 12:00
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