Download the A3 Performance App today to plan and schedule your classes at our facility in Grayslake, IL! We offer CrossFit, Bootcamp, Olympic Weightlifting, Sports Performance and Personal Training. From this mobile App you can view class schedules, sign-up for classes, view ongoing promotions, as well as view the gym’s location and contact information. Optimize your time and maximize the convenience of signing up for classes from your device! Download our App today!