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Pilates studioAbout the Club
Pilates66 offers STOTT PILATES® Reformer, Chair, and personalized Pilates training designed to help you move better, feel stronger, and live pain-free.
Located in Flagstaff, Arizona, we specialize in functional, intentional, and individualized movement that supports every stage of life, from active aging to athletic performance.
Our classes blend science-backed Pilates principles with mindful instruction to improve posture, flexibility, and strength from the inside out. Each session includes layers and modifications for all levels, ensuring a safe, effective, and empowering experience.
Discover how movement heals, strengthens, and transforms at Pilates66, where fitness meets function and every body can thrive.
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Reviews
Pamela Fleming
★ 1
First time client booked a 5 pm class drove 76 miles one way to show up and find out they had the wrong one of the class wrong on their scheduled! Frustration and disappointment and will never return. 3 hours of drive time and built my entire day around a 5 pm class.
Source: Google
L W
★ 5
I was visiting Flagstaff and bought the one week unlimited pass at Pilates 66. I liked the mix of tower and reformer classes that they offered. I took the Tower, Reformer, Advanced reformer, and Cardio Tramp Fusion classes. I wasn’t familiar with the brand of reformer they use but the instructor and classmates were very helpful. Each class had about 12 people but the instruction still felt personalized. The Cardio tramp fusion was challenging, good cardio and a mix of trampoline and reformer, and the chair. There seem to be many regulars so the studio has a loyal following. I enjoyed all of them and would definitely go back on another visit.
Source: Google
rigree
★ 5
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Jill Smith
★ 5
Excellent Pilates classes. The instructors focus on proper form. They develop classes that are challenging with clear and concise instruction and demonstration as needed.
Source: Google
Stephani Allen
★ 5
Kelsey has been so amazing and I’m thankful for both her expertise and mindset. Truly a lifesaver, I feel as though she has helped me take my life back and get my health under control! Love the empowerment I feel after classes! Little before and after for ya! From May to February..
Source: Google
Chris Kennan
★ 5
Absolute game changer. The level of intuitive expertise quickly gets to the Root of your challenges. Fantastic instructors that will push you….
Source: Google
Ann Francis
★ 5
I love this studio. All of the instructors are wonderful and very well trained. It’s not just a Pilates class for exercise. It goes way beyond that. The level of knowledge about how are bodies work matters. I take what they teach out into the real world so I walk better. Hike better. And move better. I’ve been to other studios and this one is the best. The equipment is top notch and the space has great lighting and is very relaxing. I can’t say enough good things.
Source: Google
Garrett Cisek
★ 5
Great environment and instructor’s! Feeling better than I have in over a decade! Thank you Roots 66!
Source: Google
Lisa Gabaldon
★ 5
I am happy to support Kelsey as a local business owner. She is very knowledgeable and is quick to step in to correct your form & alignment when needed. The studio space is very nice: open & bright. I love that pilates has strengthened my feet so much that I no longer require bunion surgery. It has also helped me to become a stronger runner. I am loving my results!
Source: Google
Katy Brooks
★ 5
Coming here has been absolutely life changing for me. I am so thankful to Kelsey for introducing me to Pilates with her wealth of knowledge. All of the instructors are so welcoming and helpful!
Source: Google
Suzy Odonnell
★ 5
I don’t know why it took me so long to try Pilates because I absolutely love it! Lucky to have tried my first class at Root66. Kelsey is amazing as are all the instructors. Pilates at roots 66 really focuses on your form, core and spine mobility. I had no idea that Pilates could strengthen your body so well and require a lot of mindfulness which makes it NEVER boring! 💕
Source: Google
Sharon Reynolds
★ 5
I highly recommend Root 66 fit! I have tried a lot of workout through the years and Pilates with Kelsey by far is the best. I have resolved knee pain and stayed injury free on my bike packing trips. The strengthening and lengthening combo gives me the strength and limberness I need to keep up with my little grandkids : )
Source: Google
Andi Murez
★ 5
Was in town for a month for swimming and wanted to take a few pilates classes. Kelsey was very nice and worked with us to be able to join classes! Took classes with Kelsey and Sandy and loved them. They give great instructions for posture and correct movements while creating a fun environment to get a great workout in!
Source: Google
Basia Nolton
★ 5
When I first wanted to take a Pilates class I was intimidated and nervous. However when joining Roots66 the instructors were so kind and accepting and always made me feel welcome. As a beginner they were patient and helpful showing me correct form. Now I’m always excited to go. Overall would recommend this studio to anyone of any level.
Source: Google
Jean Ann Kocher
★ 5
I recently discovered Roots 66 after moving to Flagstaff and fell in love with it! The studio is quaint and I love that it’s locally owned. Highly recommend giving Pilates a try here!
Source: Google
Steven & Lindsey Strum
★ 5
Because of Roots66 Pilates Studio, I have a new found LOVE for Pilates! I’m bummed that it took me 40 years to discover its healing benefits, but better late than never. It has helped me feel so much better physically. I would HIGHLY recommend!!
Source: Google
Shelby Burns
★ 5
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Cassidy Welch
★ 5
I’ve taken 2 classes here with Josie. I had a back injury about 10 years ago that still haunts me as I have residual pain that’s actually migrated up from my point of injury. I do a lot of yoga and stretching but still have the pain. I didn’t know what to expect coming into a new type of workout but Josie is extremely thorough and clear with her explanations. I believe this is the only type of workout that’s helped to strengthen my back. I’ve left here feeling strong and motivated both classes.
Source: Google
Hailey Ross
★ 5
I was in flagstaff for a weekend didn’t want to get off of my Pilates routine. I dropped in and did a cardio class with Sandy and really enjoyed it. The class size was small and the instructor gave great feedback. Studio was clean, engaged and friendly! I will come back next time I’m up north.
Source: Google
sk
★ 5
Kelsey is simply the best fitness coach I have ever had. Outstanding experience.
Source: Google
Caroline Rose
★ 5
A beautiful studio with wonderful instructors. Really friendly and instructive. Love coming here!
Source: Google
Jennifer
★ 5
Great Pilates classes! Kelsey is by far the most thorough and thoughtful fitness instructor I’ve had. She is very aware of everyone and offers adjustments tailored for each individuals levels. These are great classes for everyone from people recovering from injuries to athletes
Source: Google
Kim Sieb
★ 5
Kelsey is not only very caring and kind, but incredibly knowledgeable in anatomy and structural alignment. I was blown away by how much she could see and share just by evaluating my posture and gate while offering valuable feedback for changes not just on the reformer, but in applications beyond the class. I am very happy I found Kelsey and Roots for strengthening and lengthening as well as preventative maintenance.
Source: Google
Angela Wyatt
★ 5
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John Giovale
★ 5
I love coming to see Kelsey twice a week. I am energized and have less pain after leaving. She has also helped me with exercises that I can do at home which has been invaluable. Her studio is a delight to come to and I love the music that she plays for my session.
Source: Google
Jill Babb
★ 5
Kelsey is the greatest teacher of mind-body health, she is so aware of everything you do and is always watching so that she can correct anything that is wrong. I have spent most of my life exercising and I have hurt myself in the past by doing things wrong. She always makes your experience the best it can be. I would recommend her to everyone!
Source: Google
Kathi Healy
★ 5
The elite experience that connects every space of my life! My life has been completely transformed from my health, mindset and motivation for optimal performance every day. I discovered the strength that I knew I had but Kelsey helped awaken and activate that through her approach of positivity and power in her instruction and energy!
Source: Google
michael yochelson
★ 5
She may be small in stature. Once you get to know her you are pleasantly surprised. She takes over after a full assessment of your body and WOW. The work out is hard and strict she makes her point. If you don't know who I'm talking about then you don't know Kelsey. She has taken my 77 year old body and I am firmly on the road to being the best 77 year old I can be physically and emotionally. That's all I have to say about that!
Source: Google
Nancy Evans
★ 5
I’ve tried many different types of gyms, but I have never felt stronger when skiing and mountain biking since starting Pilates 18 months ago. I am 55 and recently skied 6 out of 7 days on a ski trip. I don’t think I could have done that when I was 30! Kelsey has a deep understanding of anatomy and has personalized my program to help with significant back pain. I’m hooked!
Source: Google
Darci B
★ 5
Kelsey is great! She is professional, kind and she knows her stuff. My husband and I both go to Roots. We love the comfortable atmosphere. Because it is a smaller studio, Kelsey is able to get to everyone with guidance/direction/feedback during classes.
Source: Google
Alexandra Wilson
★ 5
Kelsey is an amazing instructor and the classes are killer! Highly recommend this studio for Pilates. Even in group classes you get personal attention and always feel long and lean and sore when you leave lol.
Source: Google
Jessica Holst
★ 5
As a nurse and an avid trial runner Pilates helps me strengthen key muscle groups, improve speed and efficiency, prevent injury and stretch and stabilize areas that running and working 12 hour shifts on my feet stress the most. I have been working with Kelsey at ROOTS mind body for the past 7 years and her in depth knowledge and precise teaching have kept me happy and healthy and always coming back for more. I highly recommend checking out a class, weather it’s your first time or you have been doing Pilates for years.
Source: Google
Jan Hair
★ 5
I always look forward to my summer sessions with Kelsey. I’ve been going to Kelsey for over 5 years. She has helped me so much. Now my husband has started Pilates with Kelsey and he looks forward to going each week. I promise you will enjoy taking private or group classes with Kelsey. Enjoy!😎
Source: Google
Mike Giovale
★ 5
I started doing Pilates three years ago with Kelsey. I am 45 years old and haven’t felt this good since I was in high school. If you want to age backwards start doing Pilates!
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David Dobrick
★ 5
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Preston Mercer
★ 5
Absolutely professional and so knowledgeable!
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Karen Erhard
★ 5
An amazing location!
Beautiful studio with pilates reformer, Cadillac, chairs, and led therapy.
Kelsey Mercer is without a doubt the best instructor I've experienced in over 20 years.
Patient, knowledgeable and a tough teacher.
Experience excellence!
Source: Google