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CrossFit for beginners: the first 12 weeks and when you will see results

CrossFit Wilanów

After a first class one of two questions usually comes up: “when will I see results?” or “how many times a week should I come?” The answer to both is the same: it depends on what you do in the first 12 weeks, and what you do not. Below is how those 12 weeks run at our box, step by step, and what you can sensibly measure along the way.

If you have not had your first class yet, start with what happens in your first CrossFit class. This piece begins the day after.

Why 12 weeks

Two reasons. The first is practical: every new OPEN membership at our box starts with 12 weeks of care, which is three billing periods of 4 weeks each. In that time you have a coach who looks after you, a goal you set together and three consultations with a body-composition scan. It is not a trial period. It is the time in which someone at the club is responsible for keeping an eye on you.

The second reason is in the research on habits. Kaushal and Rhodes (2015) followed 111 new gym members for 12 weeks. An exercise habit formed in people who trained at least 4 times a week for 6 weeks, and three things helped most: a fixed time and place, a simple plan, and enjoying the training. Lally and colleagues (2010) asked 96 people to repeat a chosen behaviour every day in the same context and measured when it became automatic. The spread was huge, from 18 to 254 days. Missing a single day did not undo the process.

Neither study guarantees anything. What they show is more useful: the first weeks decide whether training becomes part of your week or a one-off, and what helps is a steady rhythm, not heroics.

Weeks 1-4: mechanics

CrossFit’s Level 1 Training Guide sets an order that our coaches follow: mechanics first, then consistency, and only then intensity. In the first month we care about the first one only. The movement has to be right. Load and speed come later.

In practice it looks like this:

  • You train the Beginners version. The workout of the day is the same for the whole group, but you do it lighter. The guide notes that people new to lifting often work at less than half the weight on the board, and tells coaches to err on the side of scaling too much rather than not enough. If you finish a class feeling you could have done more, the coach did their job.
  • You arrive 15 minutes early and tell the coach what hurts and how long it has been since you trained. There are at most 12 people in a class, so the coach has time to watch you in the warm-up and pick your version of each movement.
  • You meet the coach who looks after you. When you buy OPEN, Dawid Kowalski, who is responsible at the club for getting new people started, gets in touch. At the first meeting he does a body-composition scan, helps you set a goal and a plan, tells you how the club works and gives you a welcome pack. The goal should be specific: not “I want to be fit”, but “I want to climb to the third floor without getting out of breath” or “I want my first pull-up”.
  • Soreness is normal, especially after the first two classes. It should not build up from week to week or get in the way of everyday life. Sharp pain, different from tired muscles, goes to the coach straight away.

How many times a week. The World Health Organization (2020) recommends that adults do 150 to 300 minutes of moderate activity a week, or 75 to 150 minutes of vigorous activity, plus muscle-strengthening work on at least 2 days. An hour of CrossFit includes both, so 2 classes a week meet the minimum and 3 give you some room. If you are starting from zero, 2-3 classes a week with a rest day between them is a sensible start. More at this stage does not speed anything up, because your body learns the movements on the rest days too.

Weeks 5-8: consistency

In the second month the movements are familiar. Now the aim is consistency: the same squat on the first rep and the twentieth, tired, against the clock. This is when the coach starts allowing more. Some exercises move from Beginners to Intermediate, and the weights go up by a few kilos, not a dozen.

It is also when most people drop out. The first enthusiasm has gone and the habit has not set yet. The Kaushal and Rhodes study points to simplicity here: a fixed time, fixed days, classes booked in the app a week ahead rather than a decision made fresh every morning. If you train at 6:00, train at 6:00. If it is after the school run, make it 8:00 or 9:00, when the timetable has the most free places.

After a month the coach who looks after you checks how it is going. It is a conversation about attendance, about what hurts, and about whether the goal from the first meeting is still your goal. If you are avoiding something (for most people it is one movement they do not like), this is a good moment to say so.

What about “results after a month”? It is one of the most searched questions about CrossFit, so here is a straight answer: after 4 weeks what changes most is your technique and how you feel after class. On the scale and in the mirror there is usually not much to see yet, and that is fine. Body composition depends heavily on what you eat, not just on training. That is why at the first meeting we set a goal you can check in the box, not on the scale.

Weeks 9-12: intensity

Only now, with movement that is correct and repeatable, does the coach add speed and weight. Intensity in CrossFit is relative: set to your current fitness, not to the person next to you. You should leave tired, not wrecked.

This month you go back to a workout from your first week and compare. The Level 1 guide calls this a benchmark: the same workout, the same rules, a different date. You log your results in the SugarWOD app, so the comparison takes a minute. Progress usually shows in three places: the weight, the number of reps without a break, and the version of the movement you do. Someone who did ring rows in week one is often doing band-assisted pull-ups by week twelve. These are your numbers and your comparison, nobody else’s.

The third consultation with a body-composition scan closes the 12 weeks. Compare it with the first, but remember what the scan measures: muscle mass and body fat, not fitness. Fitness you check in the box.

How you will know it is working

CrossFit defines fitness through measurable performance, not looks. The Level 1 guide lists ten general physical skills: cardiorespiratory endurance, stamina, strength, flexibility, power, speed, coordination, agility, balance and accuracy. Training is meant to improve all of them, not one. So after 12 weeks we do not ask “how many kilos did you lose?”, but:

  • Are you doing the same workout in a harder version or with more weight?
  • Are you doing more reps in the same time?
  • Do you climb stairs, lift your child or carry the shopping differently from three months ago?

If the answer to two of the three is yes, the training is working. If it is no to all three, that is the first thing to talk about with the coach who looks after you, and the reason that conversation exists.

What we do not promise

We do not promise kilos, centimetres or a date. We promise a programme, a coach who is watching, and at most 12 people in the room. The rest is up to you, in class and between classes, above all in the kitchen and in bed, because sleep and food count as much as training.

After 12 weeks

New OPEN contracts have a minimum term of 12 weeks, so this is also the moment of your first decision. The notice rules are in the FAQ and the Terms. If you stay, you carry on on the same terms: one class a day, any class on the timetable. If you are not sure where to begin, begin with one class. If you choose OPEN on the day of your first class, its cost comes off your first instalment.

Sources

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