Walking into a BJJ academy for the first time is intimidating, even if you have been training other martial arts. The room is full of people in pyjamas tying coloured belts, the mat smells like a mix of disinfectant and bodies, someone is being slowly choked in the corner, and nobody seems to be paying you any attention. This guide covers exactly what to expect, so you can show up prepared and skip the rookie mistakes that everyone else made on day one.
What Actually Happens in a BJJ Class
A typical Brazilian jiu jitsu class runs for sixty to ninety minutes and follows a familiar shape. Coach calls everyone in, you bow on, and then you warm up with running, shrimping, and hip movement drills. Then comes a technical section where the instructor demonstrates one or two positions or submissions, after which you and a partner drill them slowly. The last twenty to thirty minutes is usually rolling, which means live sparring at maybe sixty percent intensity with rotating partners.
You will probably not be expected to roll on your first class. Most academies will have you partner up with a senior student who walks you through the technical drills and answers your questions. Some gyms keep first time students out of live rolling for the first session entirely. Either is normal.
Plan to spend most of the class on your back, on your knees, or close to the ground in some combination. BJJ happens almost entirely from the floor up. If you have not been on the floor in a few decades, the soreness will tell you about it the next morning.
What to Wear to Your First Class
The two main BJJ formats are gi and no gi. The gym you walk into will tell you which class you are joining, but the universal rule is to call ahead or check the schedule before you arrive.
If It Is a Gi Class
You do not need to own a BJJ gi for your first class. Most academies will lend you one for a trial. If you have a judo or karate gi at home, leave it. Judo gis are heavier and karate gis are too thin and will rip in your first roll. Wear a t shirt or rash guard under the jacket, and shorts or compression bottoms under the trousers if you want.
If It Is a No Gi Class
Wear a tight fitting rash guard or compression shirt and athletic shorts. Boardshorts with pockets, zippers, or buttons are a no go. Any kind of metal or plastic hardware can cut your training partner. Loose t shirts will get pulled over your head every thirty seconds and become annoying for everyone.
Underwear should fit closely. Sports bras for women, compression shorts for men, since loose underwear gets exposed in scrambles and the gym does not need that. No socks. No shoes. Do not wear jewellery, watches, or piercings. If you cannot remove a piercing, tape over it.
What to Bring
- A water bottle. You will sweat more than you expect.
- A small towel for wiping your face between rolls.
- Mouth guard, optional but recommended. Stray elbows happen.
- Flip flops or slides for walking from the changing room to the mat. You should never walk barefoot anywhere except the actual mat.
- Cash or card for the trial fee, if any. Many gyms offer a free first class.
Trim your fingernails and toenails before you arrive. This is the single most overlooked beginner mistake and it scratches your training partners.
Hygiene Rules Every Gym Expects
BJJ is a contact sport with a lot of skin on skin time. Hygiene matters more than in most martial arts.
- Shower before training, not just after.
- Wear deodorant.
- Brush your teeth or chew a mint. Your face is going to be very close to other people’s faces.
- If you have any open cuts, scrapes, or skin infections, stay home or cover them tightly. Ringworm and staph spread on BJJ mats and the gym takes it seriously.
- Wash your gi or rash guard after every single class. Never twice.
Etiquette and How to Behave on the Mat
BJJ has a strong informal etiquette that everyone picks up by watching. The basics, in order of how often they come up.
- Bow or step in respectfully when entering and leaving the mat.
- Address coloured belts as professor and the head instructor as professor or coach.
- Shake hands or fist bump your training partner before and after every drill or roll.
- If you are rolling and you get a submission, do not crank it. Apply slowly. Your partner will tap when they need to.
- If you get caught, tap clearly with your hand on your partner’s body or the mat. Loud verbal taps work too. Do not try to escape until your shoulder pops.
- Do not coach other students unless they ask. The instructor is teaching. You are training.
How Hard Should You Go on Day One
If you do roll on your first day, the answer is fifty percent at most. Less if you are not sure. The senior student rolling with you is not trying to win. They are trying to feel where your understanding sits and to give you a workable training session. If you treat the roll like a UFC fight, you will exhaust yourself in two minutes, smash your training partner with your weight, and leave a bad impression.
Tap early and tap often. Nothing in your first class is worth a torn shoulder or a snapped ankle. Belt rank in BJJ rewards people who train consistently for years, not people who survive sub attempts on day one.
How Sore You Will Be Tomorrow
Very sore. The muscles BJJ works, hip flexors, neck, forearms, lats, lower back, are not muscles most adults use much in normal life. You will probably wake up walking like a much older version of yourself, and the muscles in your neck and traps will be tender for two or three days.
This is normal. It gets dramatically better after the third or fourth class as your body remembers how to use those muscles. By the time you have trained for a month, the soreness fades into ordinary post training tiredness.
Common Worries Beginners Have
Will I Get Hurt
Probably not seriously, especially in your first few months. The most common BJJ injuries are tweaked fingers, sore shoulders, and the occasional black eye from a stray elbow. Tap early to submissions and you avoid almost everything serious.
I am Out of Shape
So is everyone on day one. BJJ is a sport you do to get in shape, not a sport you have to be in shape to start. Pace yourself, take breaks, and trust that conditioning comes with weeks of regular training.
I am Going to Get Beaten Up
By definition yes, because you have no defence and your training partners have years of practice. The thing nobody warns you about is that getting tapped a hundred times in your first month is fine. You learn faster from tapping than from winning. Everyone in the room has been through it.
How to Find the Right Gym
Visit at least two gyms before signing a contract. The right one will let you train a free trial week or at least a free first class. Watch how the head instructor treats white belts. Watch whether the senior students roll with you safely or try to dominate the new person. Watch whether the mat is clean.
Belt lineage matters less than people on the internet think. Most legitimate BJJ academies will give you a real grappling education. The day to day experience matters more. The gym you can drive to three times a week and feel comfortable in is better than the world famous academy across town that you will never actually visit.
What Happens After the First Class
If you enjoyed it, sign up. If you did not, give it a few more sessions before deciding. The first class is mostly about not panicking and getting through it. You learn nothing real about whether you like jiu jitsu until you have rolled live a few times, taken a few taps, and started to see the puzzle inside the chaos.
Most people who stick with BJJ are addicted by month three. Almost nobody trains for one month and then a year later wishes they had quit. Show up, tap a lot, take notes, and let the rest happen.
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