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GymAbout the Club
GGF/CFT is the premier CrossFit Affiliate in Brentwood/Oakley/Discovery Bay area. Passionate and well-trained CrossFit and USAW coaches lead every class where your development and growth is paramount. open and accessible to all levels of fitness and all genders, we pride ourselves on our culture and community. Voted best of Brentwood several years in a row. CrossFit is the leading evidence-based fitness methodology in the world. come and join us and change your life forever.
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Reviews
Matt Yancy
★ 5
Joining Grey Group Fitness has been, without a doubt, the best part of living in Brentwood—not just for me, but for my entire family, including my two daughters (ages 12 and 7) who are part of the kids’ program. This incredible community has become an extension of our family and has completely transformed our outlook on health and fitness.
While every coach here is amazing, I want to give a special thank you to Coach Heather. She has been a true life-changer for my oldest daughter—offering her personalized attention, guidance, motivation, and even custom training. Because of Heather, my daughter now sees herself in a completely new light and carries so much more confidence. Words can’t fully express how grateful we are for the care, commitment, and passion she’s poured into not just our kids, but into our entire family’s fitness journey.
To Heather and the entire Grey Group Fitness family—thank you. And to all the coaches who inspire and push us daily—Eric, Shelby, Gabby, Makenzie, David, Joel, Megan, Tara, and Brian—we love and appreciate you all!
Source: Google
Anthony GJP
★ 5
On the road 12-6-24 traveling through Brentwood CA ( NorCal). Emailed the gym to ask about a drop in, they replied quickly and got me hooked up. They use the Mind Body app. The gym is not large, but the space is efficiently used, and clean. 9 in the group had plenty of room. Solid plan and format for workout, coaches were knowledgeable and fun. Group was a riot, we all laughed and cried in pain together. I had a good time and great workout.
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Ysabel Garcia Bonds
★ 5
Amazing people and supportive environment! Functional training for all ages as I started going to this gym at 16 and have grown and learned so much from the coaches at Grey Group Fitness. All you have to do is show up and the results will see themselves!
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Dominic Circo
★ 5
Awesome Gym! I have been here for years and am loving it! Excellent vibe, amazing coaches, rad people!
My daughter and I try to get in 4 days a week!
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Justine Medina
★ 5
I've been a member at Grey Group Fitness/Crossfit Takedown for a couple of months now! Coming back to Crossfit after a 5 year break was a humbling experience. It was a smooth process to join and any questions I have are answered promptly. Coaches are friendly and challenge my fitness at the right amount/pace.
Source: Google
Adam Nicholson
★ 5
Just a great gym and community. After moving to the area I was looking for a new gym to call home and CFT was it. Everyone is positive and encouraging, and we like to have fun too. A great gym to call home no matter where you are in your fitness journey.
Source: Google
Rick Clayton
★ 5
There is no other place in the world where a coaching staff and community want to help you succeed with your goals more than this gym. Regardless of the level you are at, every member of this gym gets a high level of attention. Stop asking yourself if I should and start your journey to change your life to be the best asset you can be.
Source: Google
Patrick Thompsen
★ 5
I was a longtime member at another crossfit gym for 10+ years prior to me moving back to Brentwood. I wanted to find a place that had a similar enviroment and thankfully Crossfit Takedown offered a welcoming vibe to me. Coaches are well knowledge and trained and are always continually to learn to become better coaches. I've seen them bring in new members who have never done crossfit before and see them progress and retain them to being long term members. Members here are awesome as well! Been with this place for over a year and am glad to be a part of this community
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Gabby Smith
★ 5
Amazing gym and community!! CrossFit is for everybody and grey group fitness goes above and beyond when it comes to creating an inclusive environment. It may seem super intimidating from the outside but if you’re a beginner/no experience CrossFit is the place for you! Not only do our trainers teach and demonstrate every class but members with more experience will always go out of their way to help and make sure newer members know exactly what’s going on. Not ready for group classes? They offer a free trial class and have a foundations program that will get you ready to take class all on your own. Our community has athletes that are as young as 13 and up to in their 70s!
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Himanshu Saxena
★ 5
I’ve been a member for a while now, and I couldn’t be happier with my experience. The coaches here are exceptional— they got me started with Olympic lifting and have been instrumental in my growth ever since. Whether you're a beginner or experienced, there’s always something new to learn, and the coaches make sure you're constantly improving. Highly recommend this place to anyone serious about their fitness journey!"
Source: Google
Kim G
★ 5
I've been a member of Grey Group Fitness/CrossFit Takedown for over four years, and it has truly become like a second family to me. I was brand new to CrossFit and extremely intimidated when I first joined this gym. I almost quit after a week, but I was so warmly welcomed by the members and coaches, that I decided to stick with it. Since joining, I've learned so much from the knowledgeable coaches, and the encouragement from fellow members has pushed me to achieve things I never thought possible. Whether you're a seasoned athlete or just starting your fitness journey, I can't recommend this place enough. The community here is incredibly supportive and welcoming, no matter your fitness level.
Source: Google
Mia Circo
★ 5
It’s been almost a year since i started crossfit and i love it. My dad convinced me to start coming with him since i quit competitive cheer and wanted a similar workout. The coaches are all amazing (especially gabby and shelbi). My favorite part really is how kind and supportive of a gym it is.
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alex worrell
★ 5
Great CrossFit Gym for all skill levels. Whether you are just starting out or are an experienced Athlete, you’ll always find someone here who can push you to your next level in one way or another. I’ve witnessed some absolutely incredible fitness journeys here and I am constantly inspired. The community is very supportive and the coaches are super knowledgeable in everything fitness (nutrition, recovery, event training). If you are in the Brentwood area and train, this is the place to be.
Source: Google
MaKenzee Pereira
★ 5
5 stars is no where near enough for this place. I was evacuated from college in 2021 due to Covid, which meant collegiate athletics stopped as well. I quickly fell into a mental health spiral, and became the in the worst shape of my life. I didn’t know how to train on my own, and hold myself accountable. I found GGF/CFT and instantly was taken in with no CrossFit experience and was supported every step of the way. I was told to just show up, and I would begin to see results. Nutrition was put into check, and the entire community quickly became family…I am now one of the coaches, and what a beautiful, wild, unexpected turn this discipline has been in my life as well as my family’s💕
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Adam
★ 5
Came back to CrossFit Takedown after a 3 year break & coach David did an awesome job helping me ease back into it. During workouts I was unable to do some of the exercises, but he showed me alternative exercises that I could do, which made me able to complete the workouts comfortably. He also took the time to help adjust my technique to make each move easier and more effective. Been back for 3 weeks and feel great. Thank you!
Source: Google
Matthew Mckeen
★ 5
A+
Great gym filled with great people, great coaches and a great workout environment.
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Joel Raith
★ 5
Not a gym person? Neither was I! I had a friend talk me into their holiday special last holiday, I was going to do the 3 months then return to the home gym... Well not the case! I absolutely love this gym and community. Come take advantage of their 1st free class and experience it first hand.
Source: Google
Bruce Mitchener
★ 5
This INSTANTLY became my favorite gym. I was visiting for a week and the 6 am class took me in as if I was family from day one. I felt so included in the community. I was more sad to go back home because I had to leave this gym than I was to leave my actual family!
On top of this, the coaches are top notch. I was taught some solid corrections on movements, and they cheered all members on perfectly throughout class. They pushed us where they knew we could progress, and modified movements when folks may not have been ready for the programmed move.
Thank you to those coaches that I got to train under: Eric, Makenzee, Gabby, and Heather
I cannot wait to come back!!
Source: Google
Taylor Vigil
★ 5
I’ve been attending CrossFit for over 3 years & I mean it when I say, Grey Group Fitness is hands down the best gym in Brentwood, Ca. The owner, Eric is an awesome dude. Very friendly and super knowledgeable! His coaching staff are super rad and not just have the experience but the knowledge to run classes very well! Whether you’re a beginner or a fitness nut- this gym is worth checking out. There’s a sense of professionalism, family community (what I call southern hospitality), & straight getting after it! :) I’ll definitely be back!
Source: Google
Kristin Crow
★ 5
Super friendly coaches and very supportive members. I stopped in for 2 workouts while traveling on business. Everyone was so friendly. It doesn’t matter what your fitness level is, they are very accommodating and encouraging. I’m so happy I stepped out of my comfort zone and tried out this location.
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JASON LAWSON
★ 5
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Zackariah Beshai
★ 5
a gym that truly cares about the wellness of their members
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Andrew Perttula
★ 5
Loved dropping in great coaches, great members, great gym!
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William Sage
★ 5
Dropped in CF Takedown on a Friday morning and had a great workout! The community was extremely welcoming, friendly, and encouraging. Coach Eric was highly engaged and led a safe, fun class. I strongly recommend CrossFit Takedown to anyone in the Brentwood, CA area
Source: Google
Kristara Gaignard
★ 5
I love Grey’s Group Fitness! They have all the CrossFit equipment you need and more. They also have great educated coaches, which I love Gabby, she explains everything so effectively. It’s easy to understand her. The programming is awesome. They have something for each fitness level which makes it feel more inclusive. You’re challenging yourself at your level whether it be level 1, 2, 3 or 4. Other CrossFit gyms I have been to had RX and anything that wasn’t RX was modified. At Grey’s you have many options with the levels so you’re not asking for multiple modifications. There’s a movement everyone can do. If you’re thinking about joining, you should!
Source: Google
Kaana Nunez
★ 5
I been a Member of Grey Group Fitness for over a year. New to Crossfit things. I have progressed so much doing Crossfit things. I love how structured this gym is. Coach Eric really makes sure you have proper form and you do each workout correctly. We have the best caring members and coaches here. Its a fun place at 6am !!!
Source: Google
jessie bee
★ 5
Where to begin.
In 2020 like most Americans I was defeated, and my fitness journey came to a complete halt. I was going to a corporate mega gym in town, and as much as I liked going there I left due to their hours being completely out of grasp with my schedule, and the monthly dues were astronomical with what I essentially was getting in return.
A friend of mine referred me to Grey Group, and I signed up after one class.
Coach Andrew was so helpful, and the group of team mates I worked out with were so friendly.
I was intimidated at first, but that went away because all of the coaches I work with are so encouraging and helpful!
The owner, coach Eric is very passionate about the sport. He teaches us correct form, and instills that it isn’t how much we can lift, but how effectively we can perform that movement .
Posture, form, SAFETY, and repetition is KEY.
Coach Eric is passionate about teaching us the sport, the mechanics, and the anatomical parts that help us achieve the movements
If you’re at at all interested in CrossFit please come visit us at Grey Group Fitness.
Your life will change for the better! My life definitely has. Never in a million years would I think I could almost deadlift 300 pounds. I love weight lifting, I love being mentally challenged, and I love being a part of such an awesome team.
Call us! What are you waiting for!
JB
Source: Google
Jessie Williams
★ 1
Called and left a message, no returning call. So I just walked right in, filled out the paper work at the desk, the lady told me they will call me, no phone call yet.
No communication at all!!
Already having a very bad experience. Very sad.
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Kevin Vierra
★ 5
I recently joined Grey Group CrossFit Takedown and so far they are putting me to the test. I went through a fundamentals class with a one on one coach that walks you through the philosophy of CrossFit and all the different moves that they do and let me tell you, it's a lot. What I like about it so far is that it seems like it's a close net group and they are always encouraging each other to push to do your best. I have only been here 2 weeks and so far loving it.
Source: Google
S Thapa
★ 5
Best CrossFit place and instructors in the town.
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George Diaz
★ 5
An amazing Gym! Can't say enough about Eric and his hands on approach to training. The atmosphere is great and lots of hot chicks :)
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Joey Domeier
★ 5
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Moonijuana Smoker
★ 5
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David T Stevens
★ 5
I’ve been coming here for about 5 months. Seen multiple PR’s happen in only a few months. They push and motivate you more than I’ve experienced in a while.
Source: Google