FitWalk is a fantastic new approach to fitness based FitWalk’s foundation is walking --aggressive, purposeful, and outdoors -- which is combined with exercise routines that address all major muscle groups and follow the most up-to-date ‘High-Intensity Interval Training’ (HIIT) principles. It’s like getting a week’s worth of workouts in an hour!  Tracey Gerety, the creator of FitWalk, is an AFAA Certified Personal Trainer, AFAA Certified Group Exercise Instructor, and a longtime certified yoga instructor for all age categories.