Open Mat Etiquette: The Unwritten Rules Every BJJ Practitioner Should Know

Attending an open mat at a new gym can be intimidating. Understanding the unwritten rules will help you make a good impression and get the most out of your training.

Before You Arrive

Research the Gym

Check their website or call ahead:

Is there a mat fee?
What training types are offered (gi, no-gi, both)?
What time does it start and end?
Are there any specific rules?

What to Bring

Clean gi (for gi sessions) or rashguard and shorts (for no-gi)
Sandals or flip-flops for off the mat
Water bottle
Positive attitude

When You Arrive

Check In Properly

Arrive a few minutes early
Introduce yourself to the instructor or highest-ranking practitioner
Pay any mat fees
Ask about any gym-specific rules

Warm Up Appropriately

Use the designated warm-up time wisely. Do not start rolling before the session officially begins unless invited.

During the Open Mat

Finding Rolling Partners

Make eye contact and nod or ask politely
Accept all reasonable roll invitations
Be mindful of size and experience differences
It is okay to sit out a round

Rolling Etiquette

Shake hands or fist bump before and after each roll
Match your intensity to your partner
Tap early and often
No coaching unless asked
Be aware of your surroundings

Respecting the Space

Stay aware of other pairs
Move to the center if near the edge
Pause if you are about to crash into others

After the Session

Thank the instructor and your training partners
Clean up after yourself
Exchange contact info with good training partners
Leave the mat clean

Common Mistakes to Avoid

Going too hard with unknown partners
Refusing to tap
Teaching techniques uninvited
Wearing dirty gear
Not respecting rank differences

Following these guidelines will ensure you are welcome at any open mat and help you build valuable training relationships across the jiu-jitsu community.