crossfit one nation
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Give Us An Hour A Day and we'll give you the best shape of your life
At CrossFit One Nation, you are central to everything we do. We know that lasting health requires more than just exercise; it requires a community that helps you thrive. We are committed to fostering a welcoming and dynamic environment where your goals become reality. Our dedicated coaching staff is passionate about your progress and will support you every step of the way. Join us and experience how world-class coaching can help you become the best version of yourself.
a gym you actually want to go to
We believe your workout should be an experience, not a chore. Walk into an environment where you are supported by peers and led by professionals dedicated to your growth. You will stop looking for excuses to skip class and start looking forward to showing up.
expert coaching for every level
From day one beginners to seasoned athletes, our coaches adapt every workout to match your current ability. We keep our class sizes small so you get the individual attention, safety cues, and personalized feedback you need to leave every session feeling confident and accomplished.
real progress that lasts
Start following a plan that works. Our structured programming helps you stack wins week after week, building fitness for the long haul. You will move better, feel fitter, and stay consistent because our program is built for longevity.
YOUR FITNESS HOME IN NEEDHAM
Explore Three Unique Programs
Personal Training
Personal training gives you something group classes can’t: a completely individualized plan with total focus on your goals.
Whether you're new to fitness, returning after time off, or looking to level up your skills, our coaches create a program designed entirely around your body, lifestyle, and goals.
Great if you are looking for a completely personalized plan for your fitness goals!
HYROX Endurance
Our HYROX Endurance classes focus on the endurance and speed you need on race day. Designed for both seasoned competitors and first-timers, our hour-long classes are led by expert coaches who provide personalized support to help you build skills and confidence for each piece of the race.
Great if you are looking to build your cardio base or prepare for a HYROX race!
Hear From Our coaches.
At CrossFit One Nation, we pride ourselves on maintaining a coaching standard that sets us apart. Our coaches are the foundation of everything we do, combining deep technical knowledge with a genuine passion for teaching. Their dedication to your safety and progress drives the energy in every class. Meet the professionals who are committed to guiding your fitness journey.
SAM HORENSTEIN
MALLORIE MILLER
DENISE THOMAS
Start Your Fitness Journey today.
Finding the right gym is a big decision, and we want to make yours as easy as possible. Claim your free trial class here and see what expert coaching feels like in real life. Let’s get to work!
OUR TEAM
The CrossFit One Nation coaching staff is a team of fitness professionals who are 100% dedicated to your journey. Our coaches bring a wealth of diverse experience to the floor, working tirelessly to ensure you have the support, safety, and motivation you need to succeed.
