On The End CrossFit is a core strength and conditioning facility in the Midtown and Vanderbilt area of Nashville. We have certified and professional coaches that exude success through a team environment and hard work. Our box has fun, but we have a no non-sense attitude about our fitness. We have a wide array of athletes. From former gymnasts and football players, to strongmen and endurance athletes, we’re all in it to achieve the same goal. It takes dedication and the utmost respect of their health and fitness.