 CrossFit, Inc. licenses the CrossFit name to gyms for an annual fee and certifies trainers.Besides the standard two-day "Level 1 Trainer Course", specialty seminars include gymnastics, Olympic weightlifting, powerlifting, strongman, running and endurance, rowing, kettlebells, mobility and recovery, CrossFit Kids, CrossFit Football, and self-defense and striking.Other specialized adaptations include programs for pregnant women, seniors, and military special operations candidates.