
About the gym
Bear Flag Athletic Club is more than a gym – it’s a high-energy CrossFit, Hyrox and Functional Fitness training club in Sonoma, California, dedicated to building stronger people for life, not just for the leaderboard. Our coaches combine elite expertise with genuine support, fostering a supportive environment where every member, from absolute beginners to seasoned athletes, feels like they belong. Founded on California & Sonoma's spirit of resilience and community, Bear Flag Athletic Club is driven by a mission to create honest progress, meaningful relationships, and a culture that makes you want to show up and get better every day.
Top Programs
Our most popular programs are CrossFit, Hyrox training, and MetCon classes. These offerings are known for expert coaching, scalable intensity, and a welcoming environment that prioritizes progress and safety. Whether you’re searching for a CrossFit or a affiliated Hyrox gym in Sonoma California, Bear Flag Athletic Club delivers results and a supportive community that keeps members coming back.