PILATES 66 is more than just a Pilates studio—it’s a sanctuary of movement, healing, and transformation. Rooted in the scientifically grounded STOTT® PILATES method, PILATES 66 offers intelligent exercise powered by intentional movement, master-level instruction, and a commitment to excellence in our mountain-town setting.
Meet our Owner of Pilates 66: Kelsey Mercer
PILATES 66 was founded by Kelsey Mercer, whose vision combined her deep passion for movement with an appreciation for Flagstaff’s unique environment. Kelsey trained extensively in the STOTT® PILATES method starting in 2005, not only as an instructor, but most recently, as an Instructor Trainer. Kelsey’s commitment to Intelligent and Intention Movmement made it an easy decision to create a studio that not only promotes general fitness, but also assists those seeking to understand their bodies and move safely, intelligently and with great success in all areas of life. Not all Pilates is the same in today’s day and age where people are finally starting to make the switch to pilates from traditional fitness models and are seeing the results in every are of their life while feeling better. The Pilates you will experience at PILATES 66 is based on the foundation of STOTT PILATES principle of movement which include, The Breath, Pelvis Placement, Shoulder Stability and Mobility, Cervical Placement, Ribcage Placement and Hip/Knee/Ankle Alignment. You will automatically feel, see and know the difference in your body with over 50 years of combined experience in our teaching staff.
Discover movement that focuses on healing your body, mind and spirit an allowing you to live your best life for the long game. After over 10 years of a growing business in Flagstaff, formerly as ROOTS 66 FIT, PILATES 66 has grown into a community where everyone thrives, feels their best and LIVES their BEST LIFE.
Why PILATES 66?
With over 60 years of combined teaching and movement expertise, PILATES 66 brings a master-level approach to every session. Whether you’re an athlete aiming to improve performance, recovering from an injury, or simply seeking better alignment and body awareness, we offer a whole-body, personalized experience that meets you exactly where you are.
A Full Spectrum of Offerings
What makes PILATES 66 truly unique is the breadth and depth of its services. This isn’t just a reformer class spot (though these are offered and are exceptional); it’s a fully equipped, holistic studio designed to support everybody and every goal.
Offerings include:
- STOTT PILATES Teacher Training: Become a STOTT PILATES Certified Instructor under world-class guidance for Mat and Reformer Training as well as yearly CEU Workshops.
- Reformer Pilates Classes: Sculpt, lengthen, and strengthen with expert cueing and precision-based movement.
- Rehabilitation & Injury Prevention: Tailored programs that support healing and sustainable recovery.
- Postural Assessment & Body Analysis Programming: Designed for anyone looking to get to the roots of pain, injury, muscular imbalance, and mis-alignment. Get the most out of your workouts and movement by understanding your body’s unique needs.
- Pre- Post Natal Pilates Program: With a team of very experienced Instructors that have had multiple pregnancies and deliveries, we have personal and professional experience to optimize your Pilates pregnancy workouts as well as postpartum body reshape and return. P.S. Josie and Kelsey each had 6 babies naturally!
- Athletic Performance Training: Designed for athletes who want to optimize function, balance, and power.
- One-on-One Personalized Pilates: Private instruction built specifically for your goals, limitations, and strengths.
- Flexibility & Alignment Work: Improve range of motion, reduce discomfort, and realign your posture.
- Intentional Movement & Mindful Practice: Each session is deeply rooted in body awareness and breath, encouraging long-term results over quick fixes.
Training the Next Generation at Pilates 66
As an official STOTT® PILATES Training Center, we aren’t just transforming clients—we’re shaping future instructors. We offer comprehensive teacher training for those looking to become certified instructors or deepen their practice. With a curriculum based on modern biomechanics and the principles of contemporary Pilates, trainees are equipped with the knowledge, hands-on experience, and confidence to lead with excellence.
STOTT® PILATES Teacher Training Courses: Whether you’re just starting out, or expanding your credentials, we offer Foundations, Reformer, Mat, and Injuries & Special Populations courses throughout the year.
Continuing Education Workshops: Our regularly scheduled CEUs help keep instructors sharp, current, and inspired. These workshops dive into focused topics such as: Rehabiliation, Sports Performance, Group Fitness, Pre and Post-Natal Pilates, Intelligent Movement Mechanics and more.
Small Group Mentoring: Kelsey Mercer and the PILATES 66 faculty offer hands-on guidance and feedback, supporting trainees every step of the way in a nurturing, professional environment.
Classes Offered at PILATES 66
We offer a diverse schedule of group classes and private sessions designed to meet the needs of every body—from beginner to elite athlete. Whether you’re looking to build strength, improve flexibility, prevent injury, or support long-term healing, there’s a class to help you move better and feel stronger.
Our class offerings include:
Reformer Essential
Reformer Intermediate+
Tower All Levels
Chair + Reformer Fusion All Levels
Cardio Tramp All Levels
Cardio Tramp Fusion All Levels
See details and descriptions of all of the classes above here!
Experience the Difference of Pilates in Flagstaff with PILATES 66
From the moment you step inside, you’ll feel the difference—intentional instruction, welcoming community, and a commitment to excellence. We combine clinical precision with the art of movement to help you feel stronger, more aligned, and empowered in your body. Whether you’re focused on healing, strength, performance, or teaching, join us for personalized, purposeful movement that supports your growth. Come see Kelsey Mercer and her expert team for your best Pilates experience in Flagstaff. Transform the way you think, move, and feel!
Ready to move with purpose? | Ready to teach with confidence? Visit PIALTES 66 and begin your journey toward alignment, strength, and mindful living.
