And how long will your personal training Keto Boostsessions be? 30 minute and 60 minute sessions are the norm in the personal training industry - but be sure to ask. Don't assume that a "session" is the same everywhere. A lot of inexpensive personal training programs that are more affordable consist of 30 minute sessions, which can be an adequate amount of time to get a quality workout, if you have a well qualified and experienced personal trainer.