CrossFit has so many skill sets it is virtually impossible to "Master" them all. You can certainly be good or great at most of the sets but to master them all is a huge task and will take many years. It SHOULD be every CrossFitters goal to be as well rounded as possible as an athletes. CrossFit measures work capacity across broad time and modal domains which is a great phrase that CrossFit has captured. The key words when we are looking at strengths and weaknesses is the MODAL DOMAINS section.

CrossFits goal, as an evolving past time, fitness activity and indeed a sport, is aiming to specialise in not specialising. This means that CrossFitters do not narrow their vision to concentrate on one aspect and excel in that only such as Olympic Weight lifting, power lifting or endurance. You must be a jack of all trades and master on none or ALL. You will notice from either personal experience or experience of friends and family that if you concentrate your time in one area, other areas will suffer. This can be the same for life not just working out. If you concentrate on work in the office to much, your family life may suffer. If you are too social your work or office performance may suffer. Similarly if you concentrate to much on endurance your overall strength will suffer and if you concentrate on your strength lifts your endurance will suffer.

Notice I did say concentrate. You can still achieve both with smart hard periodised training but the first step is identifying what you are good at and what you need to work on. You will often see the body builder types in globo gym who are only concerned with their arms and chest. They will do bench all day because they are good at it. You will see some CrossFit boxes program workouts that their athletes are good at ALL THE TIME. CrossFit is great because it identifies areas of your skill sets which need more work. This can be easily addressed in the warm up. After you have been CrossFitting for a while under a trainer ask the trainer if you can participate in your own warm up. This might involve working on a skill set from the goal board. If you have 20mins to warm up for your WOD why not work on your handstand push ups, your muscle ups, try for a quick 3rm deadlift with appropriate ramp up sets.

Do not do what you are good at all the time. You may need a skill some day that you have blown of in favour of back squatting 200kg but now you can't run out of site on a dark night.