Black Flag Jiu-Jitsu

Rockford’s home for world-class grappling.

Black Flag is built on discipline, community, and the relentless pursuit of growth, no matter your age, background, or experience.

Black flag logo
Black flag class

Representing

Pedigo Submission Fighting

Black Flag is proud to be part of PSF, one of the most accomplished American jiu-jitsu teams in history. Our students benefit from elite-level instruction, proven competition methods, and a culture that rewards hard work over hype.

About Us

The Heart of Rockford Grappling

Founded by Rockford locals Kenneth Martin and Aaron Lynde, Black Flag was built for those who want to earn everything. From kids just starting out to adults chasing championships, we train with intention, respect, and intensity.

Location

21 Airport Dr. Rockford, IL 61109

Contact Number

+1 (815) 905-5557

Our Classes

Classes for all ages and skill levels

Kenny martin

Why Jiu-Jitsu?

What You’ll Gain

Stamina That Lasts

Jiu-jitsu builds your engine on and off the mats

Strength & Endurance

Bodyweight strength meets functional movement

Real Self-Defense

Learn to protect yourself against actual resistance

Mental Toughness

Pressure-tested training for life and sport

Friends & Community

More than just a gym or a sport. Jiu-jitsu creates family and community.

A Fun Challenge

Doing new things is always difficult to start. It’s hard. It’s humbling. It’s worth it.

Our Reviews

Actual Google Reviews

Black flag class

They treat you like family here.

Awesome place to train, great environment and coaches/instructors are amazing very knowledgeable and friendly they treat you like family here. Very welcoming to everyone even people who are beginners/new. I Highly recommended coming here if you’re interested in getting into Jiujitsu to either learn self defense or to compete.

Devin S.

Great gym and great people

I came here while on a week vacation, showed up and was welcomed immediately by the staff. Everyone there was well experienced and extremely knowledgeable and helpful. Great gym and great people, if you’re looking for a gym to start at, this is the place.

Angel B.
Black flag
Youth i

The best place to learn grappling in the Rockford area.

This is the best place to learn grappling in the Rockford area. This gym goes above and beyond by bringing out some of the best talent in the business regularly to help it’s students and the Rockford jiu-jitsu community in general get better. My daughter has gotten so much better since we started coming to Black Flag. So glad to be a part of a team that just want you to do better.

Trevor S.

Blog

News from on and off the mats

Ibjjf chicago spring open 2026 results
21Apr

IBJJF Chicago Spring Open 2026 Results

IBJJF Chicago Spring Open 2026 Results: Black Flag Jiu-Jitsu The IBJJF Chicago Spring Open 2026 was another strong showing for the Black Flag Jiu-Jitsu team. Competing against tough brackets from across the Midwest, our athletes stepped onto the mats ready to represent and came away with multiple podium finishes. Events like this are always a […]

7 powerful benefits of a kids competition team in jiu-jitsu
13Apr

7 Powerful Benefits of a Kids Competition Team in Jiu-Jitsu

Kids Competition Team: Join the fastest growing team in Rockford If your child has been training for a while and is starting to show more interest, focus, and confidence on the mats, you might be wondering what the next step looks like. For many families, that next step is joining a kids competition team. This […]

Best private gym in rockford for real results
07Apr

Best Private Gym in Rockford for Real Results

Looking for a private gym in Rockford? If you are searching for a private gym in Rockford, you are probably looking for something different than the typical crowded fitness center. Most people are tired of waiting for equipment, following the same routines, and feeling like just another membership. A private gym offers a completely different […]