Why users love this gym? At CAC you have access to hundreds of weekly Group Fitness Classes, including dance, yoga, cycle, strength training, boxing and kickboxing, pool classes and so much more. Plus, we have some of the best Personal Training and sports training around, like our Masters Swim Team, Triathlon Training Program and Rock Climbing programs. What can I expect to achieve by attending this gym? We are here to empower you to achieve the healthy lifestyle you want. With Chicago Athletic Clubs, you’re part of the family.