Book Booking a Classor the Gym?. Book classes or a gym session using the form below provided by GymCatch. Please make sure you have completed a Health Questionnaire before your session. COMPLETE HEALTH QUESTIONNAIRE AND BOOK BOOKING RATE STRONG RACE? If you want to book on to either our Rate Strong Race event or the new Rate Strong Mini Race then follow the link below to LinkTree BOOK RATE STRONG RACE Classes & GYM