The Clarendon Hills Park District will sponsor a free adult Zumba class from 8:30 a.m. to 9:30 a.m. on Sunday, Sept. 16 at the Community Center, 315 Chicago Avenue, Clarendon Hills. Instructor Josephine Champion will lead a workout party which features an interval training session where fast and slow rhythms and resistance training are combined to tone and sculpt your body while burning fat. There will be a Latin flavor and international twist to this Zumba Party. Pre-registration at the Community Center, 315 Chicago Avenue, is required.