Fairfield, NJ · Brazilian Jiu Jitsu & Boxing

Fight Republic.

Authentic Jiu Jitsu and real boxing, taught by real fighters. All skill levels, from first-timers to competitors.

First class freeAll levels welcomeGi & No-GiKids program

Train your way

Programs

Mind and body. Whether you want to get in shape, learn to defend yourself, or get in the ring — there's a mat waiting for you.

Gi & No-Gi · Mon–Sat

Brazilian Jiu Jitsu

Authentic Jiu Jitsu in a culture built on positivity and mutual respect. Builds real self-confidence on and off the mats.

Try a class free

Mornings & evenings · All levels

Boxing - All Levels

Real boxing from real fighters — one blended class where first-timers and experienced hands train together. Footwork, technique, conditioning, and the path to the ring if you want it.

Try a class free

Saturdays 9 AM

Kids Jiu Jitsu

Confidence, discipline, and anti-bullying skills in a safe, structured environment kids actually look forward to.

Try a class free

Law enforcement Jiu Jitsu training at Fight Republic

Adopt A Cop affiliate

Back the Blue

Law-enforcement-only classes at a discounted rate. Active-duty officers train free until blue belt through Adopt A Cop BJJ.

Secure your free class

Private lesson training at Fight Republic

30 or 60 minutes · By appointment

Private Lessons

One-on-one boxing or Jiu Jitsu sessions catered to your goals — from brushing up technique to prepping for competition.

Book a private

The fight card

Class Schedule

Pick a day, pick a class, and claim your spot. Your first one's free.

TimeClassRound 1 is free

9:00 AMBoxing - All Levels
All levels welcomeTry this class free

7:00 PMBoxing - All Levels
All levels welcomeTry this class free

7:00 PMAdults Jiu Jitsu · No-Gi
All levelsTry this class free

8:00 PMAdults Jiu Jitsu · Gi
All levelsTry this class free

Join the Republic

Memberships

Programs for every goal, from cardio to competition. Start with a free trial class and we'll help you pick the right fit.

Cardio Boxing

All cardio boxing classes
Mon & Wed 9 AM, Fri 8 AM
No experience needed

Start with a free class

BJJ Unlimited

Unlimited Gi & No-Gi classes
Saturday open mat
All skill levels

Start with a free class

All Access

Every class on the schedule
BJJ + Boxing
Open gym & open mat included

Start with a free class

What our members say

Reviews

4.9

37 reviews on Google

Max Lopes has been my instructor for 4 1/2 years. His knowledge and expertise in this art is second to none. Patience, dedication and his ability to transfer his knowledge to his students is impressive.

Willy Toledo

a year ago

They are knowledgeable, supportive, and really know how to push you while still making everything feel fun and approachable. Everyone is welcoming and encouraging, no matter your skill level.

Megan Abate

a year ago

My daughter has impressed me so much with the skills physically and mentally. I highly recommend anyone to come here if you really want to better yourself no matter what age.

The Stair Doctors

4 months ago

I have been a member of this gym for over 3 years. They push me to be greater every day. I was able to compete for the first time since my injury, and so much of that victory comes from their faith in me.

Vivian Schiff

a year ago

Read all 37 reviews on Google