The training you should do to prepare at  your Everest base camp Chola Pass Gokyo trek depends on your current level of fitness for  any medical conditions. We don't specify detailed training programs as it is difficult to recommend the general program which  has to applies to everyone.  We suggest that you exercise a minimum of five times per week, an hour each time, doing activities such as small walking, cycling, running and cardio training will benefit you in the long run.