CrossFit, LLC | 77,320 followers on LinkedIn. The world's leading platform for health, happiness, and performance. | CrossFit is the world’s leading platform to improve health, happiness, and performance. In the 20 years since its founding, CrossFit® has grown from a garage gym in Santa Cruz, California, into the world’s leading health and fitness brand. CrossFit is committed to creating a welcoming and inclusive environment for everyone, and millions of people have already experienced CrossFit’s transformational benefits through workouts in more than 14,000 affiliated gyms across 158 countries.