Your first BJJ class: what actually happens
Nobody is watching you.
That is the first thing you need to know about your first BJJ class. Every single person on that mat walked in feeling the exact same way you do right now. Nervous. Overthinking. Wondering if they are fit enough, tough enough, young enough.
They were not. They showed up anyway. And that made all the difference.
Here is exactly what happens when you walk through the door.
What to wear to your first BJJ class
Wear a fitted t-shirt or rash guard and shorts without pockets or zippers. That is it.
If the gym trains in a gi — the heavy cotton jacket and pants you have probably seen in photos — most places lend you one for your first session. Ring ahead and ask. If they do not have a spare, a rash guard and board shorts will do.
For no-gi classes, a rash guard and grappling shorts are ideal. A plain t-shirt works fine on day one.
One rule: nothing loose. Loose clothing catches fingers and toes. That is how small injuries happen.
Do not buy a gi before your first class. They cost $80 to $200 and you do not know your size yet. Wait until you have trained a few times and the coach can recommend the right brand and fit for you.
What to bring to your first class
Keep it simple.
- A water bottle. You will drain it.
- A small towel.
- Thongs or slides for walking off the mat.
- Trimmed fingernails and toenails. This one is non-negotiable. Nobody wants to roll with someone who scratches them.
Shower beforehand. Wear deodorant. BJJ is a close-contact sport and every gym takes hygiene seriously. Show up clean and you are already ahead of some people's first impression.
What happens when you walk in
You tell them it is your first time. That is all.
The person at the front desk has heard it a thousand times. The coach has seen hundreds of beginners. They know you are nervous. They expect it.
Most coaches will pair you with an experienced training partner — someone who knows how to go at your pace. You are not being thrown to the wolves.
Some gyms ask you to sign a waiver. Some want to chat for a few minutes about your goals. Either way, you will be on the mat within ten minutes of arriving.
What to expect before the class starts
Arrive ten to fifteen minutes early. This gives you time to fill out any paperwork, get changed, and settle your nerves.
You will take your shoes off before stepping on the mat. Every gym is strict about this — outdoor shoes carry dirt and bacteria that cause skin infections. Leave your shoes at the edge and walk on barefoot.
The mat area will probably smell like cleaning product. Good. That means they sanitise it regularly. A clean mat is the single most important thing a gym can offer.
You might see people stretching, chatting, or drilling moves before class begins. Feel free to stretch. You do not need to talk to anyone yet. Most people warm up quietly.
How a beginner BJJ class is structured
Classes run 60 to 90 minutes. The structure barely changes from gym to gym.
Warm-up (10 to 15 minutes)
Light jogging around the mat. Basic stretches. Then BJJ-specific movements — shrimping (sliding your hips across the ground), bridging (driving your hips upward), and forward rolls.
These will feel awkward. Everyone looks uncoordinated at first. The movements exist to build muscle memory you will use in every single class going forward.
Technique (20 to 30 minutes)
The coach demonstrates a technique. Maybe a sweep from guard. Maybe a basic choke. Maybe how to escape when someone is on top of you.
You watch. Then you drill it with a partner, slowly, over and over. The coach walks around correcting form. Ask questions. Seriously — ask. Nobody minds. The people who ask questions improve faster.
Rolling (15 to 20 minutes)
This is live sparring. Two people start on the mat and grapple until someone taps or time runs out.
But here is the thing. As a first-timer, you might not roll at all. Many coaches have beginners watch or drill during this section. If you do roll, it will be with someone experienced who will let you work at your speed.
There is one word you need to know: tap. When you tap your partner or the mat, the round stops. No questions asked. Tap early and tap often. It is how you stay safe. There is zero shame in tapping — black belts tap every single day.
What will actually happen to you
You will get confused. The positions will make no sense. Left and right will stop meaning anything.
You will gas out in five minutes. Grappling taxes muscles you have never used. Your forearms will burn. Your breathing will be ragged. This happens to everyone, including people who run marathons.
Someone will be kind to you. They will slow down, walk you through a position, and tell you that you did well even though you both know you were flailing. BJJ people are like that.
You will leave exhausted, slightly disoriented, and strangely keen to do it again.
There is a reason for that. BJJ gives you something most adults never experience — a genuine physical and mental challenge that resets your brain. That post-training feeling is what hooks people.
Your first week of BJJ — what to expect
Your first class is the hardest. Your second is the most important.
Day one is pure survival. Day two is where you start noticing things. You remember a position name. You recognise a movement from last time. You feel slightly less lost.
By your third session, something clicks. Not the techniques — those take months. But the rhythm of a class starts to feel familiar. You know when to line up, where to stand, what comes next.
Most coaches say it takes about four to six weeks before BJJ stops feeling completely foreign. That is not a long time. But those first few sessions are where most people quit. They feel overwhelmed and assume they are not cut out for it.
They are wrong. Everyone feels that way. The people who stick around past the first month are the ones who accepted that confusion is part of the process.
Common worries about starting BJJ
"I need to get fit first."
No. BJJ gets you fit. Waiting to get fit before starting is like waiting to be clean before you shower. You will build cardio, flexibility, and strength on the mat — not before it.
"I am too old."
Most gyms have members in their 40s and 50s. Some started at that age. Unless your doctor says otherwise, age is not the barrier you think it is.
"Everyone will be better than me."
Yes. Every single person will be better than you. And every single one of them was in your exact position once. The BJJ community is genuinely welcoming. People remember what it felt like to be new.
"Will I get hurt?"
Minor soreness is normal. You will feel muscles you forgot existed. Serious injuries are rare in beginner classes where the pace is controlled and the coach is watching. Tap early, communicate with your partner, and you will be fine.
"What if nobody wants to train with me?"
Partnering up can feel like picking teams in school. But BJJ is different. The coach pairs people up, or experienced members grab the new person because they remember what it felt like to stand there alone. You will not be left without a partner.
"I do not know the etiquette."
You will learn it in the first ten minutes. Shake hands before rolling. Tap when you are caught. Do not talk while the coach is demonstrating. That is about it. Nobody expects you to know the unwritten rules on day one.
After your first BJJ class
Drink water. Eat something decent. Go to bed early.
You will be sore the next day in odd places — your neck, your forearms, your hips, maybe your ribs. That is normal. It fades within a day or two.
Most gyms offer a free trial of one to two classes. Use both sessions before deciding anything. One class is not enough to judge a gym or the sport. Your second class is always better than your first.
How to find the right gym near you
Not every gym suits every person. Some are competition-focused. Some are laid-back and community-driven. Some run kids classes alongside adult sessions. The right gym is the one where you feel comfortable enough to keep showing up.
Browse BJJ gyms in NSW on Open Mat BJJ to compare schedules, class types, and what other members say. If you are still deciding whether a gym is right for you, read our guide on how to choose a BJJ gym.
Not sure what all the terminology means? Our BJJ glossary for beginners covers every term you will hear in your first month.
The hardest part is already behind you
You looked this up. You are thinking about it. That means you are closer than most people ever get.
The hardest part of BJJ is not the techniques. It is not the fitness. It is not the sparring.
It is walking through the door the first time. Everything after that gets easier.