Hook up with a personal trainer for a one-on-one boxing session or work up a sweat in a karate class. Pining for the Precor? GoTime Chicago is stocked with quality cardio machines.
Mon.-Thurs., 6 a.m.-9 p.m.; Fri., 6 a.m.-8 p.m.; Sat. & Sun., 8 a.m.-4 p.m.