Here is the weight class for competitive CrossFit:
Males - 185-225 lbs at 6-12% body fat
Females - 130-160 lbs at 12-18% body fat
If you want to compete in CrossFit, then you need to be within striking distance of the weight class.
For those below it, if you gain less than .5-1 lb of bodyweight per month, then consider doing more hypertrophy and less conditioning.
Bodyweight aside, hypertrophy training is the foundation for the higher tension, faster contractions that happen in CrossFit. The longer your runway, the more you might want to consider doing more bodybuilding.
