The Arena Pro Series began Thursday night, at the YMCA Aquatic Center on at 8422 International Dr. in Orlando, with more than 500 competing swimmers. The meet began Thursday, March 3rd, and will continue through Saturday, March 5th, with preliminaries beginning at 9 a.m. and finals at 6 p.m. 40 members of the USA swimming National Team will be in attendance including Olympic winners Missy Franklin, Katie Ledecky, and Michael Phelps. Tickets are available for single sessions ranging from adults, $20; children under 8, $10. All-session passes are available starting at $80.