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 www.massbjj.com 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.

“Wanna go light?”

Appear where you are not expected. 🤸‍♀️

[04/20/19]   No classes on Easter Sunday. Instead, 6 sets 20 seconds of burpees with 10 seconds rest!

Highlights from our vacation program... what a fun week! This was our largest group yet and we had a range of ages (5 - 14). We worked on our jiu-jitsu, played a bunch of games, watched A Wrinkle in Time, introduced the teens to striking and no-gi BJJ, and more. These guys put in a lot of hard work and had a lot of fun! Thanks for joining us 😁

Summer Programs: June 24th-27th and August 19th-22nd
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#jiujitsu #bjj #kidsbjj #kidsjiujitsu #traineveryday #activekids #kickboxing #muaythai #nogijiujitsu #striking #wrestling #mma #littlewarriors #aprilvacation #summercamp #kidsvacationprogram #massbjj #actonma #concordma #maynardma #stowma #sudburyma #activitiesforkids

Always special to have the Li brothers back home training with us. All these guys in the second picture trained with their Dad many years ago. David’s legacy (And gi color choice) lives strong in his boys!

First Black Belt under Roberto Maia from Boston Brazilian Jiu-Jitsu Academy, Mass BJJ Co-Founder and head instructor, First inductee to the Massachusetts MMA hall of fame for coaches, and... a kick ass guitar player!

Just a quick reminder - payments for April vacation camp are due tomorrow :)

If you haven't registered yet, there's still time! Email [email protected]

These kids keep getting better and better. The adults are going to have to watch out! So proud of these little ninjas!

#massbjjacton #kidsclasses #newlevels #bettereveryday #workhardplayhard #team

First in 10:30am, last out 8:30pm. Taking Pat’s advice, “If I had that problem, I’d just train more.”

Thanks to Ron for having me up to Lawrence High School to see one of his Jiu-Jitsu classes! Lawrence is one of the few/only public schools that I know if to offer Jiu-Jitsu as a class. This is one of the four, hour and a half long BJJ classes that Ron will be teaching today!

On a daily basis, I only really see the world that I have around me at Mass BJJ. To go to Lawrence and see all these kids that Ron is trying to reach through Jiu-Jitsu was truly inspiring for me! Thanks for allowing me to be a part of Lancer Jiu-Jitsu , keep up the good work and now I know why you look so tired some nights when you come in for your training!

Congrats to Alice on earning her purple belt! I made Alice do warm ups for class. She did such a better job than Frenchy I had to surprise her with her purple belt! I’ve taken many pictured with students to celebrate their belt promotion. Alice was the first “Adult” to give me bunny ears during that picture. I did what I try to do every time we roll and choked her with her pony tail. Alice did what she does every time we roll and elbowed me in the face! Congrats Alice! @ Mass BJJ

We're only a few weeks away from April vacation - register your students today!

We appreciate everyone's feedback and have updated our program based on some of your suggestions- students can now do 1, 2, 3, or 4 days and we've split up age groups, added a fourth instructor, and have a few new things in store!

Please contact [email protected] with any questions.

Congratulations to Dan Phoenix. Brown Belt, Featherweight, Masters, Pan American Champion.

Congrats to Rob on earning his blue belt and Brad on his Brown belt! @ Mass BJJ

Congratulations to everyone promoted tonight! This group worked so hard studying, drilling and rolling together to prepare themselves to take the next step. I have been very proud to see you guys coming together as a team and a community, to better yourselves and help your teammates get better. Jiu-Jitsu is a great art, a great way of life, and it’s so much better when you have great people around you! (All the individual promotion pictures are up on Facebook as Instagram caps the amount of pictures we can put in one post.) @ Mass BJJ

Congratulations to everyone promoted tonight! This group worked so hard studying, drilling and rolling together to prepare themselves to take the next step. I have been very proud to see you guys coming together as a team and a community, to better yourselves and help your teammates get better. Jiu-Jitsu is a great art, a great way of life, and it’s so much better when you have great people around you!

Belt promotion ceremony tonight! 6:00-7:00pm

Awesome day today!!! Congratulations to these little ninjas! They work so hard and play even harder! #proud #workhardplayhard #kidclasses #bjj #family #grow #bettereveryday #massbjj

Something for everyone in the noon BJJ classes. White belts through black belts on the mat. Ages 20-61, from 95lbs to “I’m not telling” lbs. No better way to split up the day than a little mat time!

[03/04/19]   We are open for classes today, see you on the mat!

Thanks to everyone for jumping in this morning to help Jay prepare for Pan’s!

[03/02/19]   We are open for classes today!

Everyone had a great time last week- here are some highlights!

Thank you to the families that joined us this time around and a special thank you to our staff for running this (Nick, Scott, Adam, Leia)!

We'll be offering a similar program (with more options for students ages 11-16 and a schedule that allows everyone to participate in 1 - 4 days) in April - please let us know if you are interested. More details to come!

Happy Birthday, Nate! 🎉

New sweatshirts are in! (Men’s sweatshirts also available)

When your wife finally agrees to try Jiu-Jitsu after years of bugging her. One of these people is thinking, “This is great! I should have done this years ago!” And one is thinking, “Uh oh... what have I done...”

Who is ready for kids camp?

Please let us know by Friday, February 15th if you'd like to register your student for any/all days of our program.

We're putting the schedule together today and are really looking forward to it!

[02/13/19]   Please let us know by Friday, February 15th if you'd like to register your student for any/all days of our program.

We're putting the schedule together today and are really looking forward to it!

[02/12/19]   We will be canceling classes Tuesday night due to the snowstorm. Make sure to get a workout in and shovel your neighbors out!

If there is effort, there is always accomplishment.

Here’s to another great week! Congratulations to everyone’s promotion! Awesome job everyone!
#kidclasses #bjj #workhardplayhard #family #team

[01/21/19]   Our list is filling up! We are looking forward to the activities we have planned for this week and are always excited to offer more opportunities for kids to learn and be active.

Interested in signing up your student? Give us a call or contact [email protected] to register.

[01/19/19]   No classes Sunday due to the snowstorm! Go outside and shovel your neighbor out!

[01/18/19]   Due to the snowstorm, we are going to postpone the holiday party until Saturday February 16th.

It looks like the snow is going to begin from 8:00-9:00pm and we don’t want anyone to have to drive home in bad conditions.

If you can not make it to the new date and you were already signed up and paid, you can scratch your name off the list and get your money back. If you are now able to make the new date for the party then go ahead and sign up!

We will also most likely be canceling Sunday morning classes. I will post about classes as we see how the storm plays out.

#generations #blackbelt #bostonbjj #massbjj

We are excited to announce that we will be offering a week long jiu-jitsu camp during February School Vacation. This a great way to keep kids busy and active during their break- we have a lot of fun activities planned and are really looking forward to it!

Register your students by emailing [email protected] or talking to Nate, Sue, or Leia at the front desk.

Always remember to work on being a complete martial artist. What inspired you to start BJJ? Learning to rack up advantages or learning how to defend yourself?

[12/31/18]   New Years Schedule

12/31 - 12:00 - 1:30pm All Levels BJJ
4:00 - 5:00pm kids age 3-5
5:00 - 6:00pm kids age 9-14

1/1 - 12:00 - 1:30pm Open Mat

Congrats to Colin on earning his Grey/White belt! He has shown so much growth since the day he came in. If people think that only adults are martial artists they just need to come in and watch these kids training. The growth that they show both on and off the mat is inspiring!

[12/24/18]   Mon 12/24 - Open Mat 12:00-1:30

Tues 12/25 - Closed

Congrats Declan and Waiz on your new belts!

Thank you to all of the families that participated in our Kids’ Holiday Party last night- we had a blast!

Congrats Sophie on your grey/white belt! Sophie is a hard worker with a big smile and always picks up the smallest of details with her jiu-jitsu!

[11/23/18]   Open mat on Friday from 12:00 - 1:30pm. Come on in and work off everything you just ate!

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12 Craig Rd
Acton, MA
01720

Opening Hours

Monday 16:00 - 20:30
Monday 12:00 - 13:30
Tuesday 17:30 - 20:30
Wednesday 16:00 - 20:30
Wednesday 12:00 - 13:30
Thursday 17:30 - 20:30
Friday 16:00 - 20:30
Friday 12:00 - 13:30
Saturday 08:30 - 12:00
Sunday 08:30 - 12:00
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