CrossFit Insidious - A premier CrossFit facility in Mesa, Arizona We are a CrossFit Gym in Mesa, Arizona. The CrossFit community is the backbone of our physical and mental strength. At Insidious we provide the tools that give you the ability to conquer that which most feel is not possible or merely a dream and that is the reality an athlete. The drive it takes to do CrossFit is deep seeded and we will help you find it. If you are new to CrossFit and would like to find out how to set up your free week, just contact us by calling 480-620-0970 or emailing us at firstname.lastname@example.org for more information. We look forward to seeing you soon!