Capt. Lidia Murillo, an officer selection officer with Recruiting Station Charleston, W.Va., monitors the pull-ups of one of the participants during the Arnold Sports Festival, March 5. The annual event featured more than 700 fitness booths, including the Marine Corps pull-up challenge, for the more than 175,000 visitors to walk around and explore. The fitness expo began in 1989 as strictly a men’s body building competition and has since expanded into more than 40 different sports throughout the Columbus area, for men and women, becoming the world’s largest multi-sport fitness weekend. (Official U.S. Marine Corps photo by Sgt. Michael Stevens) (released) - Capt. Lidia Murillo, an officer selection officer with Recruiting Station Charleston, W.Va., monitors the pull-ups of one of the participants during the Arnold Sports Festival, March 5. The annual event featured more than 700 fitness booths, including the Marine Corps pull-up challenge, for the more than 175,000 visitors to walk around and explore. The fitness expo began in 1989 as strictly a men’s body building competition and has since expanded into more than 40 different sports throughout the Columbus area, for men and women, becoming the world’s largest multi-sport fitness weekend. (Official U.S. Marine Corps photo by Sgt. Michael Stevens) (released)